Department of Environmental Health


Chief Senior Researcher


Radiological Public Health, Medical Radiation Safety, Risk Communication


Research reports

1 Yamaguchi I. Study on the current status and issues of medical radiation protection in Japan. Health, Labour and Welfare Science Research Grants for Comprehensive Research on Medical Safety and Evaluation of Medical Technology, “Research on Medical Radiation Protection for New Treatment Procedures” (Principal Investigator: M. Hosono, 19IA1004) FY2022 Research Report. Tokyo;2023.

2 JHPS Working Group to prevent Accidental Radiation Exposures with X-ray equipment. Interim Activity Report of JHPS Working Group on Accidental X-ray Exposures. Tokyo;2023

Original papers

1 Osanai M, Miura M, Tanaka C, Kudo K, Hosokawa S, Tsushima M, Noro T, Iwaoka K, Hosoda M, Yamaguchi I, Saito Y. Long-Term Analysis of Internal Exposure Dose-Reduction Effects by Food Regulation and Food Item Contribution to Dose after the Fukushima Daiichi Nuclear Power Plant Accident. Foods 2023;12(6):1305—1305.

2 Ono K, Kumasawa T, Shimatani K, Kanou M, Yamaguchi I, Kunugita N. Radiation Dose Distribution of a Surgeon and Medical Staff during Orthopedic Balloon Kyphoplasty in Japan. Journal of Radiation Protection and Research 2022;47(2): 86—92


1 Yamaguchi I, Ozawa S. Irradiator issues: Source, dose, and waste management. Transfusion and Apheresis Science 2022;61(2): 103407

2 Yamaguchi I. What Can Radiation Protection Experts Contribute to the Issue of the Treated Water Stored in the Damaged Fukushima Daiichi Nuclear Power Plant? Journal of Radiation Protection and Research 2021;46(1):24—31.


1 Inoue K,Yamaguchi I,Natsuhori M. Preliminary study on electron spin resonance dosimetry using affected cattle teeth due to the Fukushima Daiichi Nuclear Power Plant Accident. In: Fukumoto M . (Ed.), Low—Dose Radiation Effects on Animals and Ecosystems: Long—Term Study on the Fukushima Nuclear Accident. Springer. (2019)

2 YAMAGUCHI Ichiro, Kunugita N. Fukushima Nuclear Disaster— Monitoring and Risk Assessment. In: Nriagu, J. (Ed.), Encyclopedia of Environmental Health. vol. 3, pp. 107—120, Elsevier.(2019)

Conference presentations

1 I. Yamaguchi, Y. Nakai and M. Miyake. Can non-destructive electron paramagnetic resonance tooth dosimetry be used for posterior assessment of radiation exposure in medicine and dentistry? AOCRP6. 2023.2.7-11. Mumbai. Radiation Protection and Environment 2023;46(5): S226–S227.

2 YAMAGUCHI I, Takuya Matsushige. A Case Study on Research Ethics in Disaster Epidemiology Study after the Nuclear Disaster, A Study Utilized the Individual Monitoring Doses in Date City, Fukushima. International Society for Environmental Epidemiology Asia and Western Pacific Chapter & International Society for Exposure Science Asia Chapter Joint Conference 2022; 2022 June 21;オンライン. 675C-ISEE-2F2C-A.2022

Social contributions

Member of the Advisory Committee for the Preparation of the BOOKLET to Provide Basic Information Regarding Health Effects of Radiation, Ministry of the Environment Government of Japan

Member, Subcommittee on Assessment of Risks to the Public from Chemical Substances in the Environment, Bureau of Social Welfare and Public Health, Tokyo Metropolitan Government

Director, Japanese Society of Radiation Safety Management

Director, Radiation Safety Forum

Auditor, Liaison Council on Medical Radiation Protection