Guest Professor, Institute for Radiation Sciences, Osaka University

1976-1980

Postgraduate School of Medicine, Kyoto University (Ph.D.)

1967-1973

Kyoto University School of Medicine (M.D.)

2019-2024

Specially Appointed Professor, Division of Science, Institute for Radiation Sciences, Osaka University

2016-2019

Senior Advisor, National Institutes for Quantum and Radiological Science and Technology

2006-2016

President, National Institute of Radiological Sciences, Chiba, Japan

1998-2006

Director, Biomedical Imaging Research Center, Fukui Medical University (2003 -, University of Fukui), Fukui, Japan

1995-2006

Professor, Biomedical Imaging Research Center, Fukui Medical University (2003 -, University of Fukui), Fukui, Japan

1990-1995

Associate Professor, Department of Brain Pathophysiology, Kyoto University School of Medicine, Kyoto, Japan

1987-1990

Lecturer, Department of Nuclear Medicine, Kyoto University School of Medicine, Kyoto, Japan

1982-1983

Research Fellow, Department of Radiology, Johns Hopkins Medical Institutions, Baltimore, Maryland, U.S.A.

1980-1982

Visiting Assistant Scientist, Medical Department, Brookhaven National Laboratory, New York, U.S.A.

1980-1987

Assistant Professor, Department of Nuclear Medicine, Kyoto University School of Medicine, Kyoto, Japan

1975-1976

Clinical Fellow, Department of Radiology, Kyoto University Hospital, Kyoto, Japan

1973-1975

Resident, Department of Radiology, Kyoto University Hospital, Kyoto, Japan

Japanese Society of Nuclear Medicine

• 2007-2008

  President

• 1999-2009

  Board member

International Committee on Radiological Protection (ICRP)

• 2013-2019

  Chair, ICRP Working Party and Task Group 101; Radiological Protection in Therapy with Radiopharmaceuticals

• 2012-2014

  Chair, ICRP Task Group 87; Radiological Protection in Ion Beam Radiotherapy

• 2005-2017

  Member of ICRP Committee 3

United Nations Scientific Committee on the Effects of Atomic Radiation (UNSCEAR)

• 2015-2016

  Chair

• 2014

  Vice-chair

• 2013

  Rapporteur

• 2013

  Representative of Japan

Science Council of Japan

• 2011-2017

  Council member

• 2005-2011

  Member

3 Books

52 Book chapters

385 Peer reviewed articles in English