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Researcher Information

last modified：2024/11/20

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

The American Association of Physicists in Medicine
The Japan Association of Radiological Technologists

Award

○Best Oral Presentation Award, 24th AOCMP & 22nd SEACOMP(2024/10/13)
○Professor Pradub Atthakorn Memorial Lecture Award, Thai Medical Physicist Society 15th Annual Scientific Meeting(2024/03/01)
○Certificate of Merit Award, The 2nd International Conference on Radiological Physics and Technology(2023/05/12)
○Certificate of Merit Award, The 2nd International Conference on Radiological Physics and Technology(2023/05/12)
○Certificate of Merit Award, The 2nd International Conference on Radiological Physics and Technology(2023/05/12)
○Outstanding Reviewer Award (Outstanding Reviewer in 2019), Radiological Physics and Technology(2021/04/16)
○Outstanding Reviewer Award (Outstanding Reviewer in 2019), Radiological Physics and Technology(2021/04/16)
○Outstanding Reviewer Award (Outstanding Reviewer in 2019), Radiological Physics and Technology(2021/04/16)
○Outstanding Reviewer Award (Outstanding Reviewer in 2019), Radiological Physics and Technology(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
  • 　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

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  • 　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
  • 　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
  • 　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
  • 　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
  • 　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
  • 　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
  • 　Properties and usage of radiophotoluminescent glass dosimeters for computed tomography dosimetry　71　1　12-18　2015/01

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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