- 2013 (13th)
- Toshio Matsumoto, University of Tokushima Graduate School of Medical Sciences
- 2012 (12th)
- Naoto Endo, Niigata University Graduate School
- 2011 (11th)
- Satoshi Soen, Kinki University
- 2010 (10th)
- Hiroshi Hagino, Tottori University
- 2009 (9th)
- Kozo Nakamura, University of Tokyo Graduate School
- 2008 (8th)
- Takao Suzuki, Tokyo Metropolitan Institute of Gerontology (present position: Research Institution, National Center for Geriatrics and Gerontology.)
- 2007 (7th)
- Yoshiki Nishizawa, Osaka City University
- 2006 (6th)
- Toshitaka Nakamura, University of Occupational and Environmental Health, Japan
- Masao Fukunaga, Kawasaki Medical School
- 2005 (5th)
- Hiroaki Ohta, Tokyo Women’s Medical University
- Kunio Takaoka, Osaka City University Graduate School
- 2004 (4th)
- Toshio Okano, Kobe Pharmaceutical University
- Takami Miki, Osaka City University
- 2003 (3rd)
- Saeko Fujiwara, Radiation Effects Research Foundation
- Hiroshi Kawaguchi, University of Tokyo Hospital
- 2002 (2nd)
- Toshitsugu Sugimoto, Kobe University (present position: Shimane University)
- Masataka Shiraki, Institute of adult disease
- 2001 (1st)
- Takayuki Hosoi, Tokyo Metropolitan Geriatric Hospital (present position: National Center for Geriatrics and Gerontology)
- Masaaki Inaba, Osaka City University
