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Researcher Information

last modified:2024/03/29

Professor MATSUBARA, Kosuke

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Faculty, Affiliation

Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences Department of Quantum Medical Technology, Faculty of Health Sciences, Institute of Medical, Pharmaceutical and Health Sciences
Professor

College and School Educational Field

Division of Health Sciences, Graduate School of Medical Science
Division of Health Sciences,Graduate School of Medical Science
Department of Radiological Technology,School of Health Sciences, College of Medical, Pharmaceutical and Health Sciences

Laboratory

Matsubara Laboratory, Department of Quantum Medical Technology

Academic Background

【Academic background(Doctoral/Master's Degree)】
Kanazawa University Grauate School Master Medical Science Health Sciences 200503 Completed
Kanazawa University Grauate School Doctor Medical Science Health Sciences 200803 Completed
【Academic background(Bachelor's Degree)】
Kanazawa University 200103
【Degree】
Doctor of Philosophy

Career

Kanazawa University Faculty of Health Sciences Professor(2020/10/01-)
Kanazawa University Faculty of Health Sciences Associate Professor(2015/03/01-2020/09/30)
Kanazawa University Faculty of Health Sciences Assistant Professor(2008/04/01-2015/02/28)
Kanazawa University Hospital Department of Radiological Technology Radiological Technologist(2001/04/01-2008/03/31)

Year & Month of Birth

Academic Society

Japanese Society of Radiological Technology
Japanese Society of Radiological Technology
Japanese Society of CT Technology
Japanese Society of Radiological Technology
Japanese Society of Radiological Technology
Japanese Society of CT Technology
Japan Health Physics Society
Japanese Society of Radiological Technology
Japanese Society of Radiological Technology
Japanese Society of Radiological Technology

Japanese Society of Radiological Technology
Japanese Society of Radiological Technology
Japan Health Physics Society
Japan Health Physics Society
Japanese Society of Radiological Technology
Japanese Society of Radiological Technology
Japanese Society of Radiological Technology
Japanese Society of Radiological Technology
Japanese Society of Radiological Technology
Japan Health Physics Society
Japanese Society of Radiological Technology
Japanese Society of Radiological Technology
Japanese Society of Radiological Technology
The American Association of Physicists in Medicine

The Japan Association of Radiological Technologists
Japanese Society of Radiological Technology

Award

○Certificate of Merit Award, The 2nd International Conference on Radiological Physics and Technology(2023/05/12)
○Professor Pradub Atthakorn Memorial Lecture Award, Thai Medical Physicist Society 15th Annual Scientific Meeting(2024/03/01)
○Professor Pradub Atthakorn Memorial Lecture Award, Thai Medical Physicist Society 15th Annual Scientific Meeting(2024/03/01)
○Professor Pradub Atthakorn Memorial Lecture Award, Thai Medical Physicist Society 15th Annual Scientific Meeting(2024/03/01)
○Radiological Physics and Technology Outstanding Reviewer Award (Outstanding Reviewer in 2019)(2021/04/16)
○Radiological Physics and Technology Outstanding Reviewer Award (Outstanding Reviewer in 2019)(2021/04/16)
○Radiological Physics and Technology Outstanding Reviewer Award (Outstanding Reviewer in 2019)(2021/04/16)
○Radiological Physics and Technology Outstanding Reviewer Award (Outstanding Reviewer in 2019)(2021/04/16)
○Takiuchi Award, Japanese Society of Radiological Technology(2019/04/13)
○Takiuchi Award, Japanese Society of Radiological Technology(2019/04/13)
○Takiuchi Award, Japanese Society of Radiological Technology(2019/04/13)
○The Best Presentation Award in Diagnostic Imaging, Thai Medical Physicist Society 10th Annual Scientific Meeting(2018/01/19)
○Oral Presentation Award, the 7th Korea-Japan Joint Meeting on Medical Physics(2014/09/27)
○Oral Presentation Award, the 7th Korea-Japan Joint Meeting on Medical Physics(2014/09/27)
○Oral Presentation Award, the 7th Korea-Japan Joint Meeting on Medical Physics(2014/09/27)
○Oral Presentation Award, the 7th Korea-Japan Joint Meeting on Medical Physics(2014/09/27)
○Oral Presentation Award, the 7th Korea-Japan Joint Meeting on Medical Physics(2014/09/27)
○Oral Presentation Award, the 7th Korea-Japan Joint Meeting on Medical Physics(2014/09/27)
○Oral Presentation Award, the 7th Korea-Japan Joint Meeting on Medical Physics(2014/09/27)

Specialities

Radiation science

Speciality Keywords

Radiation measurement,Radiation protection, X-ray computed tomography technology

Research Themes

Evaluation of organ doses in ECG gated cardiac CTA

Evaluation of organ doses in ECG gated cardiac CTA This study was designed to estimate the radiation doses absorbed by organs located within the chest region during 64-section CT coronary angiography using different acquisition techniques and heart rates.

Multi-institutional joint research for evaluation of eye lens doses for medical staff performing non-vascular interventional procedures

Evaluation of radiation dose and construction of multilateral dose optimization method in dual-energy CT

Analysis of absorbed dose distribution in X-ray computed tomography

Survey on radiation exposure during pediatric computed tomography examinations in Japan

Development and evaluation of new radiation shield

Books

  •  JSCT Technical Guidelines 2021 2021/11/22
  •  JCS 2021 Guideline on Radiation Safety in Cardiology 2021/03/27
  •  Hajime Sakamoto (ed.) Introduction to Safety and Management in Medical Imaging Japanese Society of Radiological Technology 2022/02/01
  •  Slavik Tabakov, Franco Milano, Magdalena S. Stoeva, Perry Sprawls, Sameer Tipnis, Tracy Underwood (eds.) Encyclopaedia of Medical Physics Second Edition CRC Press 2021/07/20
  •  Zoe Brady, James M Kofler Jr, Mika Kortesniemi, Kosuke Matsubara,Jose M Fernandez-Soto, Yongsu Yoon, Kwan Hoong Ng Medical Physics During the COVID-19 Pandemic: Global Perspectives in Clinical Practice, Education and Research CRC Press 2021/03/11

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  •  Shinichiro Iwamoto, Kosuke Matsubara, Masahiko Okumura, Kenta Sakaguchi, Shoji Tani, Kazuhisa Nakazato Radiation Safety Management. Textbook Series: Fundamentals of Radiological Technology 2021/02/25
  •  Katsuhiro Ichikawa, Kosuke Matsubara, Kazuto Kozaka, Satoshi Kobayashi (eds.) CT super basics 2019/03/25
  •  Keisuke Fukushi, Nagayoshi Katsuta, Robert G. Jenkins, Kosuke Matsubara, Bunta Takayama, Yukiya Tanaka, Davaadorj Davaasuren, Ochirbat Batkhishig, Noriko Hasebe, Kenji Kashiwaya. Earth Surface Processes and Environmental Changes in East Asia: Records From Lake-catchment Systems Springer Japan 2015
  •  Luca Saba, Jasjit S. Suri, Kosuke Matsubara, et al. (total 55 contributors) Multi-Detector CT Imaging: Principles, Head, Neck, and Vascular Systems CRC Press 2013/10
  •  Radiation protection in medical treatment: minimum basic knowledge Japanese Society of Radiological Technology 2012/09

Papers

  •  Basic characteristics of Vision badge and its performance as an eye lens dosimeter for endoscopists Kotaro Fukushima, Kosuke Matsubara, Nao Ichikawa Journal of Radiological Protection 2024/03
  •  Analysis method of noise power spectrum for medical monochrome liquid crystal displays Katsuhiro Ichikawa, Yoshie Kodera, Aya Nishimura, Mikio Hasegawa, Naohiro Kimura, Akihiro Takemura, Kosuke Matsubara 1 2 201-207 2008/07
  •  Method of estimating patient skin dose from dose displayed on medical X-ray equipment with flat panel detector Atsushi Fukuda, Kichiro Koshida, Ichiro Yamaguchi, Atsuhiko Togashi, Kosuke Matsubara Japanese Journal of Radiological Technology 60 5 725-733 2004/05
  •  Evaluation of appropriate slice thickness setting in multidetector-row CT examinations for screening of liver cancer Kosuke Matsubara, Kichiro Koshida, Masayuki Suzuki, Aya Nishimura, Hiroyuki Ueno, Tadanori Takata, Hideo Tsujii, Tomoyuki Yamamoto Japanese Journal of Radiological Technology 64 1 65-72 2008/01
  •  Simultaneous analysis of marrow fat fraction and bone mineral density with modulus and real multiple gradient-echo MRI Yuko Motono, Tosiaki Miyati, Yuu Ueda, Nobuyuki Arai, Harumasa Kasai, Masaki Hara, Makoto Kawano, Yuta Shibamoto, Hideaki Kawamitsu, Yuriko Suzuki, and Kosuke Matsubara Medical Imaging and Information Sciences 27 1 14-17 2010/01

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  •  Evaluation of the CT dose index for scans with an ECG using a 320-row multiple-detector CT scanner Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Kichiro Koshida, Shoichi Suzuki, Yuta Matsunaga, Ai Kawaguchi, Tomonobu Haba, Kazuhiro Katada, Hiroshi Toyama Radiation Protection Dosimetry 167 4 532-541 2015/12
  •  The current status of eye lens dose measurement in interventional cardiology personnel in Thailand Anchali Krisanachinda, Suphot Srimahachota, Kosuke Matsubara Radiological Physics and Technology 10 2 142-147 2017/06
  •  Swallowing Computed Tomography: Dose Estimation in a Phantom Study Conducted at Various Patient Reclining Angles Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Kazuyuki Minami, Shoichi Suzuki, Yuta Matsunaga, Tomonobu Haba, Ai Kawaguchi, Tomihiko Daioku, Hiroshi Toyama, Ryoichi Kato Radiation Protection Dosimetry 178 1 87-94 2018/01
  •  Survey of Recognition, Utilization, and Evaluation for Diagnostic Reference Levels in the Field of X-ray Computed Tomography Kosuke Matsubara, Yuta Matsunaga, Noriyuki Yanagawa, Yoshihisa Muramatsu, Yoshihiro Ida, Shoichi Suzuki, Keiichi Akahane, Tsuneo Ishiguchi Nihon Hoshasen Gijutsu Gakkai Zasshi 74 7 700-707 2018/07
  •  Validation of mammographic X-ray spectra generated using Particle and Heavy Ion Transport code System Thunyarat Chusin, Kosuke Matsubara, Akihiro Takemura, Rena Okubo, Yoshinori Ogawa Physics in Medicine and Biology 65 6 065004 2020/03
  •  Radiation doses to the eye lenses of radiologic technologists who assist patients undergoing computed tomography Akira Suzuki, Kosuke Matsubara, Thunyarat Chusin, Yuko Suzuki Radiological Physics and Technology 14 2 167-172 2021/06
  •  "Considering Future Medical Care and Medical Professionals", a program with a "poster tour" and a "world cafe", that connects high schools and universities: A qualitative text analysis of educational practice Shoko Madokoro, Akiko Sekiya, Nobuyuki Sunahara, Kiyoko Yanagihara, Kosuke Matsubara, Akihiro Takemura Journal of Wellness and Health Care 44 1 81-90 2020/10
  •  Eye lens dose for medical staff assisting patients during computed tomography: comparison of several types of radioprotective glasses Kotaro Fukushima, Kosuke Matsubara, Mariko Tanabe, Hajime Ito Journal of Radiological Protection 43 2 021505 2023/04
  •  Radiation dose and factors related to exceeding the diagnostic reference level in 496 transnasal ileus tube placement procedures from the REX-GI study Koji Nagaike, Shiro Hayashi, Takayuki Yakushijin, Masashi Yamamoto, Tetsuya Sumiyoshi, Shinjiro Yamaguchi, Yuzuru Tamaru, Takuya Yamada, Hidetaka Tsumura, Yousuke Nakai, Hisashi Doyama, Iruru Maetani, Tadayuki Takagi, Satoshi Asai, Kosuke Matsubara, Mamoru Takenaka, Makoto Hosono, Tsutomu Nishida British Journal of Radiology 96 1146 20230086 2023/06
  •  Energy-based Hp(3) measurement using solid-state detector Nao Ichikawa, Kosuke Matsubara, Atsushi Fukuda, Takuma Hayashi, Kunihiko Takamatsu, Taku Kuramoto Radiation Protection Dosimetry 199 11 1166-1173 2023/07
  •  Influence of dosimeter depth on estimating patient’s eye lens dose in head computed tomography: A measurement and Monte Carlo simulation study Ayaka Hirosawa, Kosuke Matsubara, Atsushi Fukuda, Yusuke Morioka, Masayasu Kitagawa, Yoshinori Ogawa Radiation Measurements 166 106984 2023/08
  •  Number of computed tomography scanners and regional disparities based on population and medical resources in Japan Atsushi Urikura, Tsukasa Yoshida, Kosuke Matsubara, Keiichi Nomura, Takashi Hoshino, Takashi Takagi Radiological Physics and Technology 16 3 355-365 2023/09
  •  The Study for Standardization of Dose Evaluation Method in Cone-beam CT Ryo Nakayama, Kosuke Matsubara Japanese Journal of Radiological Technology 2024/02
  •  Effect of radioprotective curtain length on the scattered dose rate distribution and endoscopist eye lens dose with an over-couch fluoroscopy system Kosuke Matsubara, Asuka Nakajima, Ayaka Hirosawa, Ryo Yoshikawa, Nao Ichikawa, Kotaro Fukushima, Atsushi Fukuda Physical and Engineering Sciences in Medicine 2024/03
  •  Half-value layer measurements using solid-state detectors and single-rotation technique with lead apertures in spiral computed tomography with and without a tin filter Atsushi Fukuda, Nao Ichikawa, Takuma Hayashi, Ayaka Hirosawa, Kosuke Matsubara Radiological Physics and Technology 17 1 207-218 2024/03
  •  Comparison between 3-D and z-axis automatic tube current modulation technique in multidetector-row CT Kosuke Matsubara, Kichiro Koshida, Masayuki Suzuki, Hideo Tsujii, Tomoyuki Yamamoto, Osamu Matsui RADIATION PROTECTION DOSIMETRY 128 1 106-111 2008/01
  •  Correction of iodine-123-labeled meta-iodobenzylguanidine uptake with multi-window methods for standardization of the heart-to-mediastinum ratio Kenichi Nakajima, Kosuke Matsubara, Takehiro Ishikawa, Nobutoku Motomura, Ryo Maeda, Nasima Akhter, Koichi Okuda, Junichi Taki, Seigo Kinuya JOURNAL OF NUCLEAR CARDIOLOGY 14 6 843-851 2007/06
  •  Usefulness of a lead-acrylic shield for reducing lens dose of assistant in x-ray CT examination Hajime Ito, Kosuke Matsubara, Ikuo Kobayashi, Takayuki Sakai, Tomonori Isobe, Noriyuki Yanagawa, Shigehiro Ochi Journal of Radiological Protection 42 2 021529 2022/06
  •  Semi-automated algorithm for calculating heart-to-mediastinum ratio in cardiac Iodine-123 MIBG imaging Koichi Okuda, Kenichi Nakajima, Tetsuo Hosoya, Takehiro Ishikawa, Takahiro Konishi, Kosuke Matsubara, Shinro Matsuo, Seigo Kinuya JOURNAL OF NUCLEAR CARDIOLOGY 18 1 82-89 2011/01
  •  Radiation dose and physical image quality in 128-section dual-source computed tomographic coronary angiography: a phantom study Kosuke Matsubara, Haruka Koshida, Keita Sakuta, Tadanori Takata, Junsei Horii, Hiroji Iida, Kichiro Koshida, Katsuhiro Ichikawa, Osamu Matsui Journal of Applied Clinical Medical Physics 13 5 252-261 2012/09
  •  Evaluation of organ doses and effective dose according to the ICRP Publication 110 reference male/female phantom and the modified ImPACT CT patient dosimetry Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Yuta Matsunaga, Ai Kawaguchi, Kazuhiro Katada, Hiroshi Toyama, Kichiro Koshida, Shouichi Suzuki Journal of Applied Clinical Medical Physics 15 5 246-256 2014/09
  •  Shielding effect of clinical X-ray protector and lead glass against annihilation radiation and gamma rays of Tc-99m Atsushi Fukuda, Kichiro Koshida, Ichiro Yamaguchi, Masaaki Takahashi, Keitarou Kitabayashi, Kosuke Matsubara, Kimiya Noto, Chikako Kawabata, Hiroto Nakagawa Japanese Journal of Radiological Technology 60 12 1723-1729 2004/12
  •  Scatter Radiation Intensities during Transforaminal Lumbar Interbody Fusion Using a Mobile C-arm System Masaaki Fukunaga, Kosuke Matsubara, Yasutaka Takei, Hideki Mitsui, Hiroaki Kameiyama, Takanao Tanaka, Shota Ichikawa Japanese Journal of Radiological Technology 76 6 572-578 2020/06
  •  The measurement of entrance surface dose using optically stimulated luminescence dosimeters for determining average glandular dose in digital breast tomosynthesis: Measurement and simulation study Thunyarat Chusin, Sumalee Yabsantia, Kosuke Matsubara Journal of Applied Clinical Medical Physics 23 1 e13485 2022/01
  •  Effect of Automatic Extraction Accuracy by Different Image Reconstruction Methods Using a Three-dimensional Image Analysis System for Pulmonary Segmentectomy Preoperative CT Angiography Chiaki Suzuki, Jin Nakano, Kosuke Matsubara Japanese Journal of Radiological Technology 77 11 1309-1316 2021/11
  •  Object shape dependency of in-plane resolution for iterative reconstruction of computed tomography Tadanori Takata, Katsuhiro Ichikawa, Wataru Mitsui, Hiroyuki Hayashi, Kaori Minehiro, Keita Sakuta, Haruka Nunome, Kosuke Matsubara, Hiroki Kawashima, Yukihiro Matsuura, Toshifumi Gabata Physica Medica 33 146-151 2017/01
  •  Effect of table height displacement and patient center deviation on size-specific dose estimates calculated from computed tomography localizer radiographs Kazuki Kuriyama, Kosuke Matsubara, Shu Hisahara, Yukie Nagata, Rumiko Nosaka, Rika Goto, Nobutaka Yanano, Kanichiro Shimizu, Tomokazu Shoji Physical and Engineering Sciences in Medicine 43 2 665-672 2020/06
  •  A Simple Measurement Method for Verifying the Accuracy of the Displayed Dose on an Over-couch-type X-ray Fluoroscopic System Kimiya Noto, Keiko Segawa, Ryo Yoshikawa, Riku Moribe, Hironori Kojima, Kosuke Matsubara, Akihiro Takemura Japanese Journal of Radiological Technology 77 10 1180-1185 2021/10
  •  Scientific Research Group Report: Nationwide Survey on Radiation Exposure of Pediatric CT Examination in Japan (2018) Yasutaka Takei, Osamu Miyazaki, Kosuke Matsubara, Shoichi Suzuki, Yoshihisa Muramatsu, Masaaki Fukunaga, Masaaki Akahane Japanese Journal of Radiological Technology 78 4 372-380 2022/04
  •  JCS 2021 Guideline on Radiation Safety in Cardiology Ken Kozuma, Taishiro Chikamori, Jun Hashimoto, Junko Honye, Takanori Ikeda, Sugao Ishiwata, Mamoru Kato, Hiroshi Kondo, Kosuke Matsubara, Kazuma Matsumoto, Naoya Matsumoto, Sadako Motoyama, Kotaro Obunai, Hajime Sakamoto, Kyoko Soejima, Shigeru Suzuki, Koichiro Abe, Hideo Amano, Hirofumi Hioki, Takashi Iimori, Hideki Kawai, Hisanori Kosuge, Tatsuya Nakama, Yasuyuki Suzuki, Kazuya Takeda, Akiko Ueda, Takashi Yamashita, Kenzo Hirao, Takeshi Kimura, Ryozo Nagai, Masato Nakamura, Wataru Shimizu, Nagara Tamaki Circulation Journal 86 7 1148-1203 2022/06
  •  Relationship between specific organ doses and volumetric CT dose indices in multidetector CT studies Kosuke Matsubara, Kichiro Koshida, Kimiya Noto, Tetsunori Shimono, Tomoyuki Yamamoto, Osamu Matsui Journal of Medical Imaging and Radiation Oncology 55 5 493-497 2011/10
  •  Dose distribution for iodine-125 seed implant brachytherapy Sho Wakumura, Kichiro Koshida, Kosuke Matsubara, Yuichi Kurata, Shinichi Ueda, Kimiya Noto Proceedings of the Seventeenth EGS Users’ Meeting in Japan 33-40 2010/09
  •  Reduction of breast dose in abdominal CT examinations: Effectiveness of automatic exposure control system Kosuke Matsubara, Kichiro Koshida, Kimiya Noto, Tadanori Takata RADIATION MEASUREMENTS 46 12 2056-2059 2011/12
  •  A head phantom study for intraocular dose evaluation of 64-slice multidetector CT examination in patients with suspected cranial trauma Kosuke Matsubara, Kichiro Koshida, Kimiya Noto, Tadanori Takata, Masayuki Suzuki, Tetsunori Shimono, Tomoyuki Yamamoto, Osamu Matsui EUROPEAN JOURNAL OF RADIOLOGY 79 2 283-287 2011/08
  •  Apparent diffusion coefficient and fractional anisotropy in the vertebral bone marrow Yu Ueda, Toshiaki Miyati, Naoki Ohno, Yuko Motono, Masaki Hara, Yuta Shibamoto, Harumasa Kasai, Hideaki Kawamitsu, Kosuke Matsubara JOURNAL OF MAGNETIC RESONANCE IMAGING 31 3 632-635 2010/03
  •  Assessment of patient exposure to X-radiation from SPECT/CT scanners Narihiro Hara, Masahisa Onoguchi, Kenichi Takenaka, Kosuke Matsubara, Hiroyuki Ujita, Youichi Kenko Journal of Nuclear Medicine Technology 38 3 138-148 2010/03
  •  Evaluation of patient doses due to fluoroscopic exposures. Kimiya Noto, Kosuke Matsubara, Kichiro Koshida, Hiroji Iida, Tomoyuki Yamamoto Proceeding of the third Asian and Oceanic Congress of Radiation Protection 2010/05
  •  Effective dose evaluation of multidetector CT examinations: influence of the ICRP recommendation in 2007 Kosuke Matsubara, Kichiro Koshida, Masayuki Suzuki, Tetsunori Shimono, Tomoyuki Yamamoto, Osamu Matsui EUROPEAN RADIOLOGY 19 12 2855-2861 2009/12
  •  Evaluation of patient doses due to fluoroscopic exposures Kimiya Noto, Kosuke Matsubara, Kichiro Koshida, Hiroji Iida, Tomoyuki Yamamoto RADIATION PROTECTION DOSIMETRY 146 1-3 234-236 2011/07
  •  Evaluation of an exposed-radiation dose on a dual-source cardiac computed tomography examination with a prospective electrocardiogram-gated fast dual spiral scan Nihon Hoshasen Gijutsu Gakkai Zasshi 68 1 59-64 2012/01
  •  Image quality evaluation of new image reconstruction methods applying the iterative reconstruction Nihon Hoshasen Gijutsu Gakkai Zasshi 68 4 404-412 2012/04
  •  Low-contrast resolution in MDCT with 16 detector rows: relationship to dose and time Kosuke Matsubara, Kichiro Koshida, Hiroyuki Ueno, Masayuki Suzuki, Hideo Tsujii, Tomoyuki Yamamoto 55 667 421-425 2008/05
  •  Estimation of the effective dose of patient in interventional radiology: study of coronary angiography Chikako Kawabata, Kichiro Koshida, Mayumi Hayakawa, Akira Chadani, Hiroto Nakagawa, Kimiya Noto, Atsushi Fukuda, Kosuke Matsubara, Hiroji Iida Japanese Journal of Radiological Technology 62 8 1119-1126 2006/08
  •  Effectiveness of a positioning doll for radiography: through performance as a practice of radiography training and a questionnaire targeted for radiological technologists Kosuke Matsubara, Masayuki Suzuki, Etsuro Taka, Kichiro Koshida, Akihiro Takemura, Tomoyuki Yamamoto Nihon Hoshasen Gijutsu Gakkai Zasshi 65 12 1650-1657 2009/12
  •  CTDIw evaluation for each condition in the X-rays CT Kichiro Koshida, Kosuke Matsubara, Kimiya Noto, Hisahiro Matsui, Shinjiro Hirao Proceeding of the third Asian and Oceanic Congress of Radiation Protection 2010/05
  •  Polarity effect in commercial ionization chambers used in photon beams with small fields Tetsunori Shimono, Kichiro Koshida, Hidekazu Nambu, Kosuke Matsubara, Hiroshi Takahashi, Hiroshi Okuda 2 1 97-103 2009/01
  •  Chest CT performed with 3D and z-axis automatic tube current modulation technique: breast and effective doses Kosuke Matsubara, Tadanori Takata, Kichiro Koshida, Kimiya Noto, Tetsunori Shimono, Junsei Horii, Tomoyuki Yamamoto, Osamu Matsui ACADEMIC RADIOLOGY 16 4 450-455 2009/04
  •  Contrast resolution in multidetector-row CT with 16 detector rows: phantom study Kosuke Matsubara, Kichiro Koshida, Masayuki Suzuki, Norio Hayashi, Tadanori Takata, Hideo Tsujii, Tomoyuki Yamamoto, Osamu Matsui Radiological Physics and Technology 1 1 13-19 2008/01
  •  Estimation of X-radiation protective coats in abdominal angiography Kichiro Koshida, Takumi Sota, Kimiya Noto, Atsushi Fukuda, Kosuke Matsubara, Hiroto Nakagawa, Chikako Kawabata Japanese Journal of Radiological Technology 61 7 989-996 2005/07
  •  Evaluation and comparison of dose profiles and patient doses among X-ray CT scanner Kosuke Matsubara, Kichiro Koshida, Masayuki Suzuki, Atsushi Fukuda, Chikako Kawabata, Hideo Tsujii, Takashi Mizushima Japanese Journal of Radiological Technology 61 5 683-690 2005/05
  •  Assessment of aberrant right subclavian artery using multi-detector CT: frequency and CT appearance Masayuki Suzuki, Osamu Matsui, Akihiro Takemura, Katsuhiro Ichikawa, Fumiaki Ueda, Jyunichiro Sanada, Yoshihiro Shibata, Tadanori Takata, Norio Hayashi, Kosuke Matsubara Japanese Journal of Clinical Radiology 53 1 223-227 2008
  •  Evaluation of the frequency of the left vertebral artery originating directly from the aortic arch by multi-detector CT Masayuki Suzuki, Akihiro Takemura, Osamu Matsui, Fumiaki Ueda, Yoshihiro Shibata, Kazuhiro Kawahara, Yukihiro Matsuura, Tadanori Takata, Kosuke Matsubara, Keiko Kobayashi Japanese Journal of Clinical Radiology 52 1 215-219 2007
  •  Comparison of patient doses among X-ray CT scanners: evaluation using anthropomorphic body phantom Kosuke Matsubara, Kichiro Koshida, Masayuki Suzuki, Hideo Tsujii, Tomoyuki Yamamoto 53 650 1594-1598 2006/12
  •  Measurement and evaluation of electromagnetic environment in medical facility Kazuhiko Kojima, Aki Watanabe, Masaki Sugimoto, Kazuya Nakayama, Tomonori Ohshima, Kosuke Matsubara, Masaru Yamashita 24 1 121-126 2000
  •  Evaluation of variations in absorbed dose and image noise according to patient forms in X-ray computed tomography. Kosuke Matsubara, Kichiro Koshida, Masayuki Suzuki, Mayumi Hayakawa, Hideo Tsujii, Tomoyuki Yamamoto Japanese Journal of Radiological Technology 61 12 1581-1586 2005/12
  •  Relationship between recovery period of lower lip hypoesthesia and sagittal split area or plate screw position after sagittal split ramus osteotomy Yukari Hashiba, Koichiro Ueki, Kohei Marukawa, Kiyomasa Nakagawa, Etsuhide Yamamoto Kosuke Matsubara ORAL SURGERY ORAL MEDICINE ORAL PATHOLOGY ORAL RADIOLOGY AND ENDODONTICS 105 1 11-15 2008/01
  •  Influence on measurements of pre-irradiation due to differences in ionization chamber shape or frequency in use Nihon Hoshasen Gijutsu Gakkai Zasshi 68 8 986-996 2012/08
  •  Adjustment of overestimated CT-based attenuation correction on bone SPECT/CT after hip-resurfacing arthroplasty Akira Suzuki, Kichiro Koshida, Kosuke Matsubara Journal of Nuclear Medicine Technology 41 3 203-207 2013/09
  •  Measurement of table feed speed in modern CT Atsushi Fukuda, Pei-Jan Paul Lin, Kosuke Matsubara, Tosiaki Miyati Journal of Applied Clinical Medical Physics 15 3 275-281 2014/05
  •  Influence of electromagnetic waves on portable electronic instruments in medicine Aki Watanabe, Masaki Sugimoto, Tomonori Ohshima, Kosuke Matsubara, Masaru Yamashita, Kazuya Nakayama, Kazuhiko Kojima Japanese Journal of Radiological Technology 58 7 948-956 2002/07
  •  Measurement of gantry rotation time in modern CT Atsushi Fukuda, Pei-Jan Paul Lin, Kosuke Matsubara, Tosiaki Miyati Journal of Applied Clinical Medical Physics 15 1 303-308 2014/01
  •  Investigation of image lag and modulation transfer function in fluoroscopy images obtained with a dynamic flat-panel detector Hiroki Kawashima, Rie Tanaka, Katsuhiro Ichikawa, Kosuke Matsubara, Hiroji Iida, Shigeru Sanada Radiological Physics and Technology 6 2 367-374 2013/07
  •  Accuracy of measuring half- and quarter-value layers and appropriate aperture width of a convenient method using a lead-covered case in X-ray computed tomography Kosuke Matsubara, Katsuhiro Ichikawa, Yuichi Murasaki, Ayaka Hirosawa, Kichiro Koshida Journal of Applied Clinical Medical Physics 15 1 309-316 2014/01
  •  Estimation of the life expectancy of a filament of the conventional X-ray unit: a technical case study Atsushi Fukuda, Kosuke Matsubara, Toshiaki Miyati Radiological Physics and Technology 8 1 107-110 2015/01
  •  Accuracy of gantry rotation time of less than 300 ms for modern MDCT systems Atsushi Fukuda, Pei-Jan Paul Lin, Kosuke Matsubara, Tosiaki Miyati Radiological Physics and Technology 8 1 141-145 2015/01
  •  Long-term stability of beam quality and output of conventional X-ray units Atsushi Fukuda, Kosuke Matsubara, Toshiaki Miyati Radiological Physics and Technology 8 1 26-29 2015/01
  •  Simple estimation method of operator eye lens doses using a dose-area product meter due to fluoroscopic x-ray procedures Kimiya Noto, Kosuke Matsubara, Kichiro Koshida Proceedings of the fourth Asian and Oceanic Congress on Radiation Protection 2014/05
  •  Dose and dose rate analysis using angular tube current modulation in x-ray computed tomography. Kosuke Matsubara, Lars Herrnsdorf, Tomoko Fujihara, Kimiya Noto, Kichiro Koshida Proceedings of the fourth Asian and Oceanic Congress on Radiation Protection 2014/05
  •  Effects of pacemaker, implantable cardioverter-defibrillator, and left ventricular leads on CT-based attenuation correction Akira Suzuki, Kichiro Koshida, Kosuke Matsubara Journal of Nuclear Medicine Technology 42 1 37-41 2014/03
  •  Operating characteristics of tube current modulation techniques when scanning simple-shaped phantoms Kosuke Matsubara, Pei-Jan Paul Lin, Atsushi Fukuda, Kichiro Koshida Journal of the Korean Physical Society 67 1 82-88 2015/07
  •  Evaluation of over ranging in 64-slice multidetector-row computed tomography examinations for upper abdomen Nihon Hoshasen Gijutsu Gakkai Zasshi 69 1 28-32 2013/01
  •  Investigation of qualitative and quantitative factors related to radiological exposure to nursing staff during computed tomography examinations Hiroshige Mori, Kichiro Koshida, Osamu Ichigamori, Kosuke Matsubara Health Physics 107 5 Suppl 1 S202-210 2014/11
  •  128-slice dual-source CT coronary angiography with prospectively electrocardiography-triggered high-pitch spiral mode: radiation dose, image quality, and diagnostic acceptability Kosuke Matsubara, Keita Sakuta, Haruka Nunome, Tadanori Takata, Kichiro Koshida, Toshifumi Gabata. Acta Radiologica 57 1 25-32 2016/01
  •  Evaluation of effective dose using the k-factor of optimal scan range for CT examination Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Tomonobu Haba, Yuta Matsunaga, Ai Kawaguchi, Kazuhiro Katada, Hiroshi Toyama, Kichiro Koshida, Ryoichi Kato, Shoichi Suzuki Open Journal of Radiology 5 142-148 2015/09
  •  Investigation of radiation dose for lower tube voltage CT using automatic exposure control 71 4 332-337 2015/04
  •  Evaluation of dose output according to the objects using organ-based tube-current modulation in thoracic computed tomography 70 11 1297-1303 2014/11
  •  Properties and usage of radiophotoluminescent glass dosimeters for computed tomography dosimetry 71 1 12-18 2015/01
  •  LEAD GLASSES SIGNIFICANTLY REDUCED RADIATION DOSES TO EYE LENSES OF UROLOGISTS DURING PROCEDURES INVOLVING OVER-COUCH X-RAY TUBES Akira Suzuki, Kosuke Matsubara, Thunyarat Chusin, Yuko Suzuki Radiation Protection Dosimetry 189 1 28-34 2020/02
  •  OPTIMISATION OF SWALLOWING CT EXAMINATION: DOSE REDUCTION AND IMAGE QUALITY Masanao Kobayashi, Yasuki Asada, Tomonobu Haba, Yuta Matsunaga, Kosuke Matsubara, Kazuyuki Minami Radiation Protection Dosimetry 185 4 421-431 2019/12
  •  A multicenter study of radiation doses to the eye lenses of medical staff performing non-vascular imaging and interventional radiology procedures in Japan Kosuke Matsubara, Yasutaka Takei, Hiroshige Mori, Ikuo Kobayashi, Kimiya Noto, Takayuki Igarashi, Shoichi Suzuki, Keiichi Akahane Physica Medica 74 83-91 2020/06
  •  Organ-based Tube-current Modulation Applied on Different MDCT Scanners: Reduction in the Radiation Dose to the Eye Lens at Head CT Nobuo Kitera, Kosuke Matsubara, Chikako Fujioka, Kazushi Yokomachi, Eiji Nishimaru, Masao Kiguchi, Akira Morimoto, Minoru Ishifuro, Kazuo Awai Japanese Journal of Radiological Technology 76 4 366-374 2020/04
  •  Tube current modulation between single- and dual-energy computed tomography with a second-generation dual-source scanner: radiation dose and image quality Kosuke Matsubara, Tadanori Takata, Masanao Kobayashi, Satoshi Kobayashi, Kichiro Koshida, Toshifumi Gabata  American Journal of Roentgenology 207 2 354-361 2016/08
  •  How to Optimize Radiation Dose in Computed Tomography Examinations: Available Methods and Techniques Kosuke Matsubara, Hiroki Kawashima, Thunyarat Chusin, Rena Okubo Medical Physics International 5 2 180-186 2017/12
  •  Quality evaluation of image-based iterative reconstruction for CT: Comparison with hybrid iterative reconstruction Hiroki Kawashima, Katsuhiro Ichikawa, Kosuke Matsubara, Hiroji Nagata, Tadanori Takata, Satoshi Kobayashi Journal of Applied Clinical Medical Physics 20 6 199-205 2019/06
  •  Influence of Bowtie Filter and Patient Positioning on In-plane Dose Distribution and Image Quality in ECG-gated CT Kazuyoshi Minami, Kosuke Matsubara, Yuki Hayashi, Yasuto Fujiwara, Katsuhiro Morimoto, Toshinori Kobatake Nihon Hoshasen Gijutsu Gakkai Zasshi 75 6 536-545 2019/06
  •  Evaluation of Interprofessional Education (IPE) in First-Year Introductory Education: Social Assignments and PBL/Poster Group Work Kiyoko Yanagihara, Kosuke Matsubara, Shoko Madokoro, Akiko Sekiya, Nobuyuki Sunahara, Akihiro Takemura Journal of Wellness and Health Care 43 2 75-84 2019/12
  •  Measurement Accuracy of CT Beam Width with a Portable Flat-panel Detector Nao Ichikawa, Kosuke Matsubara, Atsushi Fukuda, Hiroyuki Yamamoto Nihon Hoshasen Gijutsu Gakkai Zasshi 76 2 161-167 2020/02
  •  Creation and clinical application of real-time dose monitor using dose area product meter Kosuke Matsubara, Kichiro Koshida, Atsushi Fukuda, Yoshinori Uoyama, Hiroji Iida, Takashi Mizushima Japanese Journal of Radiological Technology 60 5 719-724 2004/05
  •  Estimation of organ-absorbed radiation doses during 64-detector CT coronary angiography using different acquisition techniques and heart rates: a phantom study Kosuke Matsubara, Kichiro Koshida, Kimiya Noto, Tadanori Takata, Tetsunori Shimono, Hiroko Kawashima, Tomoyuki Yamamoto, Osamu Matsui ACTA RADIOLOGICA 52 6 632-637 2011/06
  •  Review of a simple noise simulation technique in digital radiography Rie Tanaka, Katsuhiro Ichikawa, Kosuke Matsubara, Hiroki Kawashima Radiological Physics and Technology 5 2 178-185 2012/07
  •  Dose Estimating Application Software Modification: Additional Function of a Size-Specific Effective Dose Calculator and Auto Exposure Control Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Shoichi Suzuki, Yuta Matsunaga, Tomonobu Haba, Ai Kawaguchi Radiation Protection Dosimetry 174 4 535-540 2017/05
  •  Does gantry rotation time influence accuracy of volume computed tomography dose index (CTDIvol) in modern CT? Atsushi Fukuda, Nao Ichikawa, Yoshiharu Fujita, Pei-Jan Paul Lin, Kosuke Matsubara, Tosiaki Miyati Physica Medica 37 43-48 2017/05
  •  Eye lens dosimetry and the study on radiation cataract in interventional cardiologists Kosuke Matsubara, Vorarit Lertsuwunseri, Suphot Srimahachota, Anchali Krisanachinda, Wasee Tulvatana, Bharkbhum Khambhiphant, Waraporn Sudchai, Madan Rehani Physica Medica 44 232-235 2017/12
  •  Method for determining the half-value layer in computed tomography scans using a real-time dosimeter: Application to dual-source dual-energy acquisition Kosuke Matsubara, Hiroji Nagata, Rena Okubo, Tadanori Takata, Masanao Kobayashi Physica Medica 44 227-231 2017/12
  •  MEASUREMENT OF RADIATION DOSES TO THE EYE LENS DURING ORTHOPEDIC SURGERY USING AN C-ARM X-RAY SYSTEM Akira Suzuki, Kosuke Matsubara, Yuko Sasa Radiation Protection Dosimetry 179 2 189-195 2018/04
  •  USEFULNESS OF SIZE-SPECIFIC DOSE ESTIMATES IN PEDIATRIC COMPUTED TOMOGRAPHY: REVALIDATION OF LARGE-SCALE PEDIATRIC CT DOSE SURVEY DATA IN JAPAN Daisuke Yamazaki, Osamu Miyazaki, Yasutaka Takei, Kosuke Matsubara, Masafumi Shinozaki, Yoshiya Shimada, Shoichi Suzuki, Yoshihisa Muramatsu Radiation Protection Dosimetry 179 3 254-262 2018/05
  •  Relationship between size-specific dose estimates and image quality in computed tomography depending on patient size Hiroki Kawashima, Katsuhiro Ichikawa, Shinsuke Hanaoka, Kosuke Matsubara, Tadanori Takata Journal of Applied Clinical Medical Physics 19 4 246-251 2018/06
  •  Assessment of scatter radiation dose and absorbed doses in eye lens and thyroid gland during digital breast tomosynthesis Thunyarat Chusin, Kosuke Matsubara, Akihiro Takemura, Rena Okubo, Yoshinori Ogawa Journal of Applied Clinical Medical Physics 20 1 340-347 2019/01
  •  Evaluation of Radiation Dose and Image Quality for Angiographic System with Spectral Shaping Filter Nao Ichikawa, Kosuke Matsubara, Atsushi Fukuda Nihon Hoshasen Gijutsu Gakkai Zasshi 75 1 13-23 2019/01
  •  The effectiveness of bismuth breast shielding with protocol optimization in CT Thorax examination Muhammad Khalis Abdul Karim, Noraini Abd Rahim, Kosuke Matsubara, Suad Hashim, Mohammad Hasan Abu Mhareb, Yahaya Musa Journal of X-Ray Science and Technology 27 1 139-147 2019/04
  •  Optimizing image quality using automatic exposure control based on the signal-difference-to-noise ratio: a phantom study Hiroki Kawashima, Katsuhiro Ichikawa, Shinsuke Hanaoka, Kosuke Matsubara Australasian Physical & Engineering Sciences in Medicine 42 3 803-810 2019/09
  •  Estimation of primary radiation output for wide‐beam computed tomography scanner Atsushi Fukuda, Pei-Jan P. Lin, Nao Ichikawa, Kosuke Matsubara Journal of Applied Clinical Medical Physics 20 6 152-159 2019/06
  •  Assessment of longitudinal beam property and contrast uniformity for 256- and 320-row area detector computed tomography scanners in the 160-mm nonhelical volume-acquisition mode Takanori Hara, Shinji Niwa, Atsushi Urikura, Kosuke Matsubara, Takashi Hoshino, Eiji Nishimaru, Takuya Taniguchi Journal of Applied Clinical Medical Physics 20 8 164-170 2019/08
  •  EYE LENS DOSES OF RADIOLOGY TECHNOLOGISTS WHO ASSIST PATIENTS DURING RADIOGRAPHY Akira Suzuki, Kosuke Matsubara, Thunyarat Chusin, Yuko Sasa Radiation Protection Dosimetry 185 3 275-281 2019/12
  •  Introduction of size-specific dose estimates (SSDE) Kosuke Matsubara Japanese Journal of Computed Tomography Technoology 6 1 3-7 2018/06
  •  Axial absorbed dose distributions during abdominal computed tomography acquisitions: Measurement and the Monte Carlo simulation study Kosuke Matsubara, Hiroji Nagata, Rena Okubo, Yoshinori Ogawa, Thunyarat Chusin, Ayaka Hirosawa Journal of Physics: Conference Series 1248 12020 2019/07
  •  Determination of geometric information and radiation field overlaps on the skin in percutaneous coronary interventions with computer-aided design-based X-ray beam modeling Atsushi Fukuda, Pei-Jan Paul Lin, Nao Ichikawa, Kosuke Matsubara Journal of Applied Clinical Medical Physics 22 12 140-146 2021/12
  •  Effect of equalization filters on measurements with kerma-area product meter in a cardiovascular angiography system Nao Ichikawa, Atsushi Fukuda, Takuma Hayashi, Kosuke Matsubara Journal of Applied Clinical Medical Physics 22 12 177-185 2021/12
  •  Use of optically stimulated luminescence dosimeter and radiophotoliminescent glass dosimeter for dose measurement in dual-source dual-energy computed tomography Ayaka Hirosawa, Kosuke Matsubara, Yusuke Morioka, Masayasu Kitagawa, Thunyarat Chusin, Akihiro Takemura Physical and Engineering Sciences in Medicine 44 4 1311-1319 2021/12
  •  A comparison of automatic and manual compensation methods for the calculation of tube currents during off-centered patient positioning with a noise-based automatic exposure control system in computed tomography Yasushi Furukawa, Kosuke Matsubara, Yoshinori Tsutsumi Physical and Engineering Sciences in Medicine 44 3 823-832 2021/09
  •  Evaluation of the relationship between phantom position and computed tomography dose index in cone beam computed tomography when assuming breast irradiation Hiroyuki Ueno, Kosuke Matsubara, Akihiro Takemura, Sayuri Bou Journal of Applied Clinical Medical Physics 22 6 262-267 2021/06
  •  Assessment of Radiation Dose in Medical Imaging and Interventional Radiology Procedures for Patient and Staff Safety Kosuke Matsubara Diagnostics 11 1116 2021/06
  •  Where should we measure the entrance air kerma rate during acceptance testing of the automatic dose control of a fluoroscopic system? Atsushi Fukuda, Toshiaki Miyati, Kosuke Matsubara Radiological Physics and Technology 6 2 313-316 2013/07
  •  NCRP Statement No. 13 "NCRP Recommendations for Ending Routine Gonadal Shielding During Abdominal and Pelvic Radiography" and Its Accompanying Documents: Underpinnings and Recent Developments Toshioh Fujibuchi, Kosuke Matsubara, Nobuyuki Hamada Health Physics 56 3 107-115 2021/10
  •  Japanese Translation of NCRP Statement No. 13 "NCRP Recommendations for Ending Routine Gonadal Shielding During Abdominal and Pelvic Radiography" and Its Accompanying Documents National Council on Radiation Protection and Measurements Nobuyuki Hamada, Toshioh Fujibuchi, Junya Ishikawa, Teruo Ito, Reo Etani, Koji Ono, Yuichi Nishiyama, Kosuke Matsubara Health Physics 56 2 80-93 2021/06
  •  Characterization of small dosimeters used for measurement of eye lens dose for medical staff during fluoroscopic examination Kosuke Matsubara, Sayu Yoshida, Ayaka Hirosawa, Thunyarat Chusin, Yasushi Furukawa Diagnostics 11 2 150 2021/01
  •  Performance evaluation of near-real time angular tube current modulation in X-ray computed tomography using real-time dosimeter: A phantom study Kosuke Matsubara, Hiroki Kawashima, Masanao Kobayashi, Atsushi Fukuda Health and Technology 10 1437-1443 2020/08
  •  CT dose management of adult patients with unknown body weight using an effective diameter Masaaki Fukunaga, Kosuke Matsubara, Shota Ichikawa, Hideki Mitsui, Hiroyuki Yamamoto, Tosiaki Miyati European Journal of Radiology 135 109483 2021/02
  •  Inadequate object positioning and improvement of automatic exposure control system calculations based on an empirical algorithm Yasushi Furukawa, Kosuke Matsubara, Tosiaki Miyati Physical and Engineering Sciences in Medicine 44 1 37-44 2021/03
  •  Evaluation of peak skin dose during percutaneous coronary intervention procedures: relationship with fluoroscopic pulse rate and target vessel Takuro Tanaka, Kosuke Matsubara, Satoshi Kobayashi Radiological Physics and Technology 14 1 34-40 2021/03
  •  An Evaluation of Radiation Dose for Wide Volume Scan during Chest CT Kenji Sako, Kosuke Matsubara, Makoto Matsumoto Japanese Journal of Radiological Technology 77 3 284-292 2021/03
  •  Radiation dose calculation for scan projection radiography in low-dose lung cancer screening CT Chiaki Suzuki, Masayuki Hatakeyama, Shigeyuki Nozawa, Kazuhiro Ishihara, Yoshihiko Kageyama, Kosuke Matsubara The Journal of the Japanese Society of CT Screening 27 2 17-23 2020/07
  •  Reduction of Radiation Exposure to Operator with Radiation Protective Device in ERCP Procedure Using Over-coach X-ray TV System Ayaka Hirosawa, Kosuke Matsubara, Yasutaka Takei, Ikuo Kobayashi Nihon Hoshasen Gijutsu Gakkai Zasshi 76 1 54-63 2020/01
  •  ESTIMATION OF Hp(3) TO THE EYE LENS OF INTERVENTIONAL RADIOLOGISTS-RELATION BETWEEN THE EYE LENS DOSE AND RADIOLOGIST'S HEIGHT Takuro Tanaka, Kosuke Matsubara, Atsushi Fukuda, Satoshi Kobayashi Radiation Protection Dosimetry 187 4 409-417 2019/12
  •  Computed tomography dosimetry: from basic to state-of-the-art techniques Kosuke Matsubara Medical Physics International 5 1 61-67 2017/04
  •  A new Miocene whale-fall community dominated by bathymodiolin mussel Adipicola from Hobetsu area, Hokkaido, Japan Robert G. Jenkins, Andrzej Kaim, Kazutaka Amano, Kazuhiko Sakurai, Kosuke Matsubara Paleontological Research 22 2 105-111 2018/04
  •  Nationwide survey of radiation exposure during pediatric computed tomography examinations and proposal of age-based diagnostic reference levels for Japan Yasutaka Takei, Osamu Miyazaki, Kosuke Matsubara, Yoshiya Shimada, Yoshihisa Muramatsu, Keiichi Akahane, Keisuke Fujii, Shoichi Suzuki, Kichiro Koshida Pediatric Radiology 46 2 280-285 2016/02
  •  Electrocardiogram-gated coronary CT angiography dose estimates using ImPACT Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Shoichi Suzuki, Kichiro Koshida, Yuta Matsunaga, Tomonobu Haba, Ai Kawaguchi, Hiroshi Toyama, Ryouichi Kato Journal of Applied Clinical Medical Physics 17 4 342-356 2016/07
  •  Radiation doses, noise properties, and in-plane spatial resolutions for CT coronary angiography using different CT scanners: phantom study Kosuke Matsubara, Tadanori Takata, Hiroshige Mori, Masanao Kobayashi, Katsuhiro Ichikawa, Kichiro Koshida International Journal of Diagnostic Imaging 2 2 1-10 2015/09
  •  A novel removable shield attached to C-arm units against scattered X-rays from a patient's side Hiroshige Mori, Kichiro Koshida, Osamu Ichigamori, Kosuke Matsubara EUROPEAN RADIOLOGY 24 8 1794-1799 2014/08
  •  Differences in behavior of tube current modulation techniques for thoracic CT examinations between male and female anthropomorphic phantoms Kosuke Matsubara, Pei-Jan Paul Lin, Atsushi Fukuda, Kichiro Koshida Radiological Physics and Technology 7 2 316-328 2014/07
  •  Relationship between specific organ doses and volumetric CT dose indices in multi-detector CT studies: estimation of specific organ doses in each patient Kosuke Matsubara, Kichiro Koshida, Kimiya Noto Proceeding of the third Asian and Oceanic Congress of Radiation Protection 2010/05
  •  Assessment of an organ-based tube current modulation in thoracic computed tomography Kosuke Matsubara, Mai Sugai, Asami Toyoda, Haruka Koshida, Keita Sakuta, Tadanori Takata, Kichiro Koshida, Hiroji Iida, Osamu Matsui Journal of Applied Clinical Medical Physics 13 2 148-158 2012/03
  •  Simulation system for understanding the lag effect in fluoroscopic images Rie Tanaka, Hiroki Kawashima, Katsuhiro Ichikawa, Kosuke Matsubara, Hiroji Iida, Shigeru Sanada Radiological Physics and Technology 6 2 273-280 2013/07
  •  Overview of Dose Evaluation Method in Each Modality - Dose Evaluation Method for Medical Exposure - Kosuke Matsubara, Thunyarat Chusin, Rena Okubo, Yoshinori Ogawa Japanese Journal of Health Physics 53 4 238-246 2018/12
  •  Development of a computational phantom for validation of automated noise measurement in CT images Choirul Anam, Heri Sutanto, Kusworo Adi, Wahyu Setia Budi, Zaenul Muhlisin, Freddy Haryanto, Kosuke Matsubara, Toshioh Fujibuchi, Geoff Dougherty Biomedical Physics & Engineering Express 6 6 065001 2020/09
  •  Software Development for Estimating the Conversion Factor (K-Factor) at Suitable Scan Areas, Relating the Dose Length Product to the Effective Dose Masanao Kobayashi, Yasuki Asada, Kosuke Matsubara, Shoichi Suzuki, Kichiro Koshida, Yuta Matsunaga, Ai Kawaguchi, Tomonobu Haba, Hiroshi Toyama, Ryouichi Kato Radiation Protection Dosimetry 174 4 565-574 2017/05
  •  Feasibility of the new copper pipe method for evaluating half‐value layer in computed tomography: A measurement and Monte Carlo simulation study Rena Okubo, Kosuke Matsubara, Thunyarat Chusin, Tomoya Hibino, Yusuke Ito Journal of Applied Clinical Medical Physics 20 12 186-192 2019/12
  •  Radioanatomical study of a true tracheal bronchus using multidetector computed tomography Masayuki Suzuki, Osamu Matsui, Hiroko Kawashima, Akihiro Takemura, Kosuke Matsubara, Norio Hayashi, Wataru Koda, Yoshihiro Shibata Japanese Journal of Radiology 28 3 188-192 2010/03
  •  Effect of tube current modulation for dose estimation using a simulation tool on body CT examination Ai Kawaguchi, Yuta Matsunaga, Masanao Kobayashi, Shoichi Suzuki, Kosuke Matsubara, Koichi Chida Radiation Protection Dosimetry 167 4 562-568 2015/12
  •  Organ and Effective Doses Using Automation Organ Dose Estimation Software for Lung Cancer Screening Using Low-dose Computed Tomography Masaaki Fukunaga, Kosuke Matsubara, Yuki Yamaguchi Japanese Journal of Radiological Technology 78 10 1176-1186 2022/10
  •  Accuracy Evaluation of Air Kerma-area Product of Over-couch-type X-ray Fluoroscopic System Keiko Segawa, Ryo Yoshikawa, Kimiya Noto, Kosuke Matsubara, Yukihiro Matsuura  Japanese Journal of Radiological Technology 78 11 1349-1357 2022/11
  •  The infuence of images reconstructed based on the difference in tube position and scanning parameters for scan projection radiography in Low-Dose Lung Cancer Screening CT using the deep learning reconstruction method Chiaki Suzuki, Kosuke Matsubara, Masayuki Hatakeyama, Kazuhiro Ishihara, Yoshihiko Kageyama The Journal of the Japanese Society of CT Screening 29 3 3-13 2022/12
  •  Physical and visual evaluations of CT image quality of large low-contrast objects with visual model-based iterative reconstruction technique: a phantom study Hideki Shibata, Kosuke Matsubara, Yasuki Asada, Akihiro Takemura, Isao Kozawa Physical and Engineering Sciences in Medicine 46 1 141-150 2023/03
  •  Accuracy of patient dose estimation in cone beam computed tomography in breast irradiation by size-specific dose estimates with position correction Hiroyuki Ueno, Kosuke Matsubara, Sayuri Bou, Masato Hizume Journal of Applied Clinical Medical Physics 23 12 e13851 2022/12
  •  Automated development of the contrast-detail curve based on statistical low-contrast detectability in CT images Choirul Anam, Ariij Naufal, Toshioh Fujibuchi, Kosuke Matsubara, Geoff Dougherty Journal of Applied Clinical Medical Physics 23 9 e13719 2022/09
  •  Mis-operation of CT automatic tube current modulation systems with inappropriate patient centering Kosuke Matsubara, Kichiro Koshida, Katsuhiro Ichikawa, Masayuki Suzuki, Tadanori Takata, Tomoyuki Yamamoto, Osamu Matsui AMERICAN JOURNAL OF ROENTGENOLOGY 192 4 862-865 2009/04
  •  Reducing stray radiation with a novel detachable lead arm support in percutaneous coronary intervention Atsushi Fukuda, Nao Ichikawa, Takuma Hayashi, Pei-Jan Paul Lin, Kosuke Matsubara Journal of Applied Clinical Medical Physics 23 10 e13763 2022/10

Conference Presentations

Others

  •  Phantoms for Dose Evaluation in Computed Tomography Kosuke Matsubara Japanese Journal of Radiological Technology 77 4 406-409 2021/04
  •  DRL for Computed Tomography Examination Kosuke Matsubara Nihon Hoshasen Gijutsu Gakkai Zasshi 73 10 1075-1080 2017/10
  •  Radiation Exposure in Breast Imaging and Radiation Therapy Kosuke Matsubara Nihon Hoshasen Gijutsu Gakkai Zasshi 79 11 1303-1309 2023/11
  •  Impressions of JHPS Symposium (Fiscal Year 2021) Kosuke Matsubara, Tomoya Tsuji, Atsushi Enomoto, Naoki Nomura, Michiya Sasaki, Yuki Fujimichi Japanese Journal of Health Physics 56 4 324-334 2021/12/28
  •  The actual situation of CT dose measurement Kosuke Matsubara, Wataru Mitsui, Kimiya Noto Clinical Imagiology 35 11 1312-1316 2019/11/26

show all

  •  Mini-lecture on X-ray Computed Tomography: Methods for Evaluating Radiation Dose 36 1 62-66 2016/05/31
  •  The essential knowledge for exposition of radiation protection Tomonori Isobe, Yutaro Mori, Takeji Sakae, Kosuke Matsubara, Takayuki Igarashi Nippon Hoshasen Gijutsu Gakkai zasshi 68 10 1419-1427 2012/10/20
  •  Approach to the core of exposure explanation Kosuke Matsubara Nihon Hoshasen Gijutsu Gakkai Zasshi 68 11 1533-1538 2012/11/20

Arts and Fieldwork

Patent

Theme to the desired joint research

○Standardization for evaluation of radiation dose in X-ray computed tomography
○Method for optimizing radiation dose in X-ray computed tomography

Grant-in-Aid for Scientific Research

○「内視鏡医を対象とした線量計一体型放射線防護眼鏡の開発」(2022-2024) 
○「持続的な医療被ばく国民線量評価のためのデータ収集,線量評価法の構築」(2023-2026) 
○「CT撮影における多段階線量評価法の開発と評価」(2018-2021) 
○「ハイブリッド手術における医療従事者の水晶体被曝線量評価に関する多施設共同研究」(2016-2020) 
○「新しい概念を有するX線CT装置の線量・エネルギー評価法の確立」(2015-2017) 
○「放射線診療の発展に対応する放射線防護の基準策定のための研究」(2022-2024) 
○「新規及び既存の放射線診療に対応する放射線防護の基準策定のための研究」(2019-2021) 
○「Dual-energy CTの被ばく線量解析および多角的線量最適化手法の構築」(2012-2014) 
○「ECG同期冠動脈CTAにおける臓器吸収線量の評価」(2009-2010) 

Competitive research funding,Contribution

Collaborative research,Consignment study

Classes (Bachelors)

○Lecture on Life in Campus and Society(2023)
○Basic Health Science 2(2023)
○Medical Radiography 2(2023)
○Clinical Training 2(2023)
○Clinical Training 1(2023)
○Clinical Dosimetry and Risk Communication(2023)
○Clinical Dosimetry and Risk Communication(2023)
○Radiation Measurement A(2023)
○Medical Radiography 2(2023)
○Radiation Measurement Experiment 1(2023)
○Radiological Machinery B(2023)
○Radiological Machinery A(2023)
○Radiation Measurement Experiment 1(2023)

Classes (Graduate Schools)

○Clinical Practice Management Seminar(2023)
○Radiation therapy Technology:Lecture(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Seminar(2023)
○Radiation therapy Technology:Lecture(2023)
○Clinical Quantum Technology: Seminar(2023)
○Clinical Quantum Technology: Seminar(2023)
○Radiation therapy Technology:Lecture(2023)
○Clinical Practice Management Seminar(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Seminar(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Radiation therapy Technology:Lecture(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Practice Management Seminar(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Lecture(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Practice Management Seminar(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Radiation therapy Technology:Lecture(2023)
○Radiation therapy Technology:Lecture(2023)
○Clinical Quantum Technology: Lecture(2023)
○Radiation therapy Technology:Lecture(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Lecture(2023)
○Clinical Quantum Technology: Lecture(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Practice Management Seminar(2023)
○Clinical Practice Management Seminar(2023)
○Radiation therapy Technology:Lecture(2023)
○Clinical Quantum Technology: Research(2023)
○Laboratory Rotation I(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Radiation therapy & Biological Safe Science: Semi.(2023)
○Radiation therapy & Biological Safe Science: Semi.(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Medical Physics:Lecture(2023)
○Medical Physics:Lecture(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Radiation therapy & Biological Safe Science: Semi.(2023)
○Radiation therapy & Biological Safe Science: Semi.(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Medical Physics:Lecture(2023)
○Medical Physics:Lecture(2023)
○Laboratory Rotation Ⅱ(2023)
○Laboratory Rotation I(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Radiation therapy & Biological Safe Science: Lec.(2023)
○Medical Physics:Lecture(2023)
○Medical Physics:Lecture(2023)
○Radiation therapy & Biological Safe Science: Lec.(2023)
○Laboratory Rotation Ⅱ(2023)
○Laboratory Rotation I(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Medical Physics:Lecture(2023)
○Medical Physics:Lecture(2023)
○Radiation therapy & Biological Safe Science: Lec.(2023)
○Clinical Quantum Technology: Research(2023)
○Clinical Quantum Technology: Research(2023)
○Radiation therapy & Biological Safe Science: Lec.(2023)
○Research Design in Medical Radiation Science: Lec.(2023)
○Research Design in Medical Radiation Science: Lec.(2023)
○Laboratory RotationⅠ(2023)
○Laboratory RotationⅠ(2023)
○Laboratory RotationⅠ(2023)
○Laboratory Rotation I(2023)
○Laboratory Rotation I(2023)

International Project

○Project for Enhancement of Medical EducationMyanmar(2015-2019)Japan

International Students

Lecture themes

Others (Social Activities)

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