- 2013 (15th)
- Yoshiki Nishizawa, Osaka City University
- 2012 (14th)
- Masao Fukunaga, Kawasaki Medical School
- 2011 (13th)
- Rikushi Morita, Shiga University of Medical Science
- 2010 (12th)
- Kichizo Yamamoto, Tottori University
- 2009 (11th)
- Tetsuo Inoue, Hobikai Aoyama Hospital
- 2008 (10th)
- Hideaki Takahashi, Niigata University of Health and Welfare
- 2007 (9th)
- Takuo Fujita, Kobe University
- 2006 (8th)
- Hajime Orimo, Health Science University
- 2005 (7th)
- Junichi Takada, Chitose City Hospital
- Yosuke Okada, University of Occupational and Environmental Health, Japan
- 2004 (6th)
- Takefumi Furuya, Institute of Rheumatology Tokyo Women’s Medical University
- Kenji Toba, Kyorin University
- 2003 (5th)
- Saeko Fujiwara, Radiation Effects Research Foundation
- Toshio Okano, Kobe Pharmaceutical University
- 2002 (4th)
- Ikuko Tanaka, National Center for Geriatrics and Gerontology
- Hiroshi Hagino, Tottori University
- 2001 (3rd)
- Atsushi Harada, Chubu National Hospital
- Noriko Yoshimura, Wakayama Medical University
- 2000 (2nd)
- Tamotsu Hashimoto, Research Institute for Neurological Diseases and Geriatrics, Kyoto Prefectural University of Medicine
- Masayuki Iki, Kinki University
- 1999 (1st)
- Masashi Mizuno, Chubu National Hospital
- Kiyoshi Nakatsuka, Osaka City University
