Name Incumbency
Junko MORIKAWA Apr 1, 2023 － Sep 30, 2024
Akira YAMADA Apr 1, 2021 － Mar 31, 2023
Kyoko YAMAMURO Apr 1, 2017 － Mar 31, 2021
EiichiTAKAHASHI Apr 1, 2013 － Mar 31, 2017
Toshio MIYAUCHI Apr 1, 2012 － Mar 31, 2013
Yoshinori SAKAI Apr 1, 2011 － Mar 31, 2012 
Sadaoki FURUI Apr 1, 2009 － Mar 31, 2011
Yukio TAKAHASHI Apr 1, 2007 － Mar 31, 2009
Eiji FUJIWARA Apr 1, 2005 － Mar 31, 2007
Masaaki YOKOYAMA Apr 1, 2003 － Mar 31, 2005
Akio SAITO Apr 1, 2001 － Mar 31, 2003
Kenichi IGA Apr 1, 2000 － Mar 31, 2001
Kazuo NAGAI Apr 1, 1998 － Mar 31, 2000
Tadao TSUKADA Sep 1, 1996 － Mar 31, 1998
Masamichi SHIMURA Sep 1, 1994 － Aug 31, 1996
Mitsuaki FUJII Apr 1, 1994 － Aug 31, 1994
Shigeo TSUJII Apr 1, 1992 － Mar 31, 1994
Yasutoshi SAITO Apr 1, 1991 － Mar 31, 1992
Kensuke HASEGAWA Apr 1, 1990 － Mar 31, 1991
Akio NAKASE Apr 1, 1988 － Mar 31, 1990
Yoshiaki YOSHIMI Apr 1, 1986 － Mar 31, 1988
Sohachiro HAYAKAWA Apr 2, 1985 － Mar 31, 1986
Atsunobu ICHIKAWA Apr 2, 1983 － Apr 1, 1985
Sohachiro HAYAKAWA Apr 2, 1982 － Apr 1, 1983
Eiichi INOUE Apr 1, 1979 － Apr 1, 1982
Shiro ITO Apr 1, 1978 － Mar 31, 1979
Goro HONJYO Apr 1, 1974 － Mar 31, 1978
Yusaku KOMATSU Apr 1, 1971 － Mar 31, 1974
Shigeo OKETANI Feb 1, 1970 － Mar 31, 1971
Yusaku KOMATSU May 27, 1969 － Feb 1, 1970
Tadao SHIBA Oct 12, 1968 － May 27, 1969
Tadao SHIBA Apr 1, 1968 － Oct 12, 1968
Teruichiro KUBO Mar 31, 1965 － Mar 31, 1968
Jiro OISHI Mar 31, 1963 － Mar 31, 1965
Hideo HUTAMI Mar 31, 1961 － Mar 30, 1963
Kiso KANAMARU Mar 31, 1959 － Mar 31, 1961
Shigeo SASAKI Apr 1, 1957 － Mar 31, 1959
Toshimitsu TUMURA May 15, 1954 － Apr 1, 1957
Shun-ichi UCHIDA Apr 1, 1954 － May 14, 1954
Taku UEMURA Sep 30, 1939 － Mar 31, 1954
Setsuro TAMARU May 27, 1929 － Juy 24, 1939