1st

Tsuneji Naga

1993-1996

2nd

Tetsuo Osa

1996-1998

3rd

Hitoshi Hashimoto

1998-2000

4th

Kaneto Uekama

2000-2002

5th

Kenjiro Hattori

2002-2004

6th

Koji Kano

2004-2006

7th

Makoto Komiyama

2006-2008

8th

Akira Harada

2008-2010

9th

Toshiko Tanimoto

2010-2012

10th

Tsukasa Ikeda

2012-2014

11th

Keiko Takahashi

2014-2016

12th

Keiko Takahashi

2016-2018

13th

Hidetoshi Arima

2018-2020