*1 Concurrent Position as Ookayama Library Director
*2 Jul 1, 2021－Mar 31, 2023 Concurrent Position as Ookayama Library Director
| Name | Incumbency | ||
|---|---|---|---|
| Junko MORIKAWA *1 | Apr 1, 2023 | - | Sep 30, 2024 |
| Akira YAMADA *2 | 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 |