Vol.7 No.4 2015
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Research paper : International standardization of four dimensional radiotherapy system (Y. HIRATA et al.)−236−Synthesiology - English edition Vol.7 No.4 (2015) Mitsuhiro YOSHIDAGraduated from the Department of Physics, Faculty of Science, Kyoto University in 1990. Joined the Advanced Technology Research Center, Mitsubishi Heavy Industries, Ltd. in 1990. Transferred to the Hiroshima R&D Center, MHI in 1996 and Hiroshima Machinery Works, MHI in 2004, and contributed to the development of industrial accelerators. Dispatched to the Biomedicine Division, NEDO in 2006; Section Chief, Vacuum Device Technology Section, Hiroshima Machinery Works, MHI in 2008; and started work in radiotherapy equipment from 2010. In the international standardization activities for 4D radiotherapy, made essential contributions to creation of the standard proposal for X-IGRT (IEC 60601-2-68), creation of the revised Japanese standard proposal for external x-ray beam device (IEC 60601-2-1), creation of the 62C/580/NP standard proposal, proposal of the standardization strategy, and negotiation with the overseas members.Kazuo HIRAMOTOCompleted the master’s course at the Department of Electrical Engineering, Graduate School of Engineering, Kyoto University in 1978. Obtained doctorate (Kyoto University) in 1986. Joined the Energy Research Laboratory, Hitachi, Ltd. in 1978. After R&D of nuclear reactor core and particle radiotherapy accelerator, became Leader of R&D Group from 2012. In the international standardization activities for 4D radiotherapy, made essential contributions to creation of the standard proposal for X-IGRT (IEC 60601-2-68), creation of the revised Japanese standard proposal for external x-ray beam device (IEC 60601-2-1), creation of the 62C/580/NP standard proposal, proposal of the standardization strategy, and negotiation with the overseas members.Yoshiaki ICHIKAWAGraduated from the Department of Mechanical Engineering, Faculty of Engineering, The University of Tokyo in 1979, obtained doctorate in engineering (Tokyo University) in 1987. Joined the Energy Research Laboratory, Hitachi, Ltd. in 1979. Visiting Scientist, Carnegie Mellon University in 1988; Director, Environment Solution Center, Hitachi, Ltd.; Environmental Strategy Office, Hitachi, Ltd.; and currently, Senior Engineer, International Standardization Promotion Office, Intellectual Property Headquarters, Hitachi, Ltd. In the international standardization activities for 4D radiotherapy, made essential contributions to creation of the standard proposal for X-IGRT (IEC 60601-2-68), creation of the revised Japanese standard proposal for external x-ray beam device (IEC 60601-2-1), creation of the 62C/580/NP standard proposal, proposal of the standardization strategy, and negotiation with the overseas members.Shuji KANEKOGraduated from the Department of Control Engineering, Tokyo Institute of Technology in 1994. Joined Mitsubishi Heavy Industries, Ltd. in 1994. In charge of systems development and marketing for radiotherapy equipment [12]Second Meeting IEC/TC62 Subcommittee FY 2011, Japan Electronics and Information Technology Industries Association, November 1, 2011 (in Japanese).[13]Japan Society of Medical Physics, Japan 3-D Conformal External beam Radiotherapy Group, Japanese Society of Radiological Technology, and Japanese Society for Radiation Oncology: Kokyusei ido taisaku o tomonau hoshasen chiryo ni kansuru gaidorain (Guideline for respiratory motion management in radiation therapy (June 2, 2012) (in Japanese).[14]Y. Matsuo, H. Onishi, K. Nakagawa, M. Nakamura, T. Ariji, Y. Kumazaki, M. Shimbo, N. Tohyama, T. Nishio, M. Okumura, H. Shirato and M. Hiraoka: Guidelines for respiratory motion management in radiation therapy, J. Radiat. Res., 54 (3), 561-568 (2013).AuthorsYuichi HIRATACompleted the doctorate at the Department of Physics, Graduate School of Science, Hokkaido University in 2001. Doctor (Science). Worked at the Institute of Medical Science, The University of Tokyo; Riken; National Institutes of Health, USA; AIST; Tani & Abe, p.c.; and Project Assistant Professor, Graduate School of Medicine, Hokkaido University from August 2011 to present. In the international standardization activities for 4DRT, made essential contributions to overall organization of the activities, drafting of the 62C/580/NP standard proposal, organization of the standard proposal committees, proposal of the standardization strategy, and negotiation with the overseas members.Naoki MIYAMOTOCompleted the doctorate at the Department of Quantum Energy Engineering, Graduate School of Engineering, Hokkaido University in 2006. Doctor (Engineering). After working as post-doctoral researcher at the Graduate School of Engineering, Hokkaido University, became Project Assistant Professor, Graduate School of Medicine, Hokkaido University from April 2008 to present. In the international standardization activities for 4DRT, made essential contributions to R&D for the dynamic phantom and drafting of the 62C/580/NP standard proposal pertaining to dynamic phantom.Morihito SHIMIZUCompleted the doctorate program at the Department of Nuclear Engineering, Graduate School of Engineering, Kyoto University in 2001. Doctor (Engineering). Researcher, National Metrology Institute of Japan, AIST from April 2011 to present. In the international standardization activities for 4D radiotherapy, made essential contributions to creation of the revised Japanese standard proposal for external x-ray beam device (IEC60601-2-1).

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