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Researcher Information

last modified:2020/03/26

Associate Professor MATSUBARA, Kosuke

Mail Laboratory Website

Faculty, Affiliation

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

College and School Educational Field

Division of Health Sciences, Graduate School of Phamaceutical Science
Division of Neuroscience, 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 Health Sciences 200503 Completed
Kanazawa University Grauate School Doctor Health Sciences 200803 Completed
【Academic background(Bachelor's Degree)】
Kanazawa University 200103
【Degree】
Doctor of Philosophy

Career

Kanazawa University Faculty of Health Sciences Associate Professor(2015/03/01-)
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
Japan Health Physics Society
Japanese Society of Radiological Technology
Japanese Society of CT Technology
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

○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

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

  •  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

  •  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
  •  Introduction of size-specific dose estimates (SSDE) Kosuke Matsubara Japanese Journal of Computed Tomography Technoology 6 1 3-7 2018/06
  •  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
  •  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
  •  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

show all

  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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 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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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 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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  Investigation of radiation dose for lower tube voltage CT using automatic exposure control 71 4 332-337 2015/04
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  Computed tomography dosimetry: from basic to state-of-the-art techniques Kosuke Matsubara Medical Physics International 5 1 61-67 2017/04
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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
  •  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

Conference Presentations

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

○「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」(2019-2019) 
○「CT撮影における多段階線量評価法の開発と評価」(2018-2020) 
○「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) 
○「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) 

Classes (Bachelors)

○Clinical Training 2(2019)
○Clinical Training 1(2019)
○Clinical Dosimetry(2019)
○Radiological Machinery(2019)
○Radiation Measurement Experiment 1(2019)
○Radiation Measurement(2019)
○Medical Radiography 2(2019)
○Public Health(2019)
○Basic Health Science 2(2019)

Classes (Graduate Schools)

○Clinical Quantitative Technology: Research(2019)
○Radiation therapy Technology:Lecture(2019)
○Clinical Practice Management Seminar(2019)
○Clinical Quantitative Technology: Seminar(2019)
○Clinical Quantitative Technology: Lecture(2019)
○Clinical Quantitave Technology: Research(2019)
○Radiation therapy & Biological Safe Science: Semi.(2019)
○Radiation therapy & Biological Safe Science: Lec.(2019)
○Medical Physics:Lecture(2019)
○Research Design in Medical Radiation Science: Lec.(2019)

International Project

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

International Students

Lecture themes

Others (Social Activities)

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