Mizuho Nakata, First Facility Director
Facility Directors
- April 1, 1957 - March 31, 1959 (Administrative Post) Mizuho Nakata
- April 1, 1959 - May 31, 1967 Komei Ueki
Institute Directors
- June 1 - August 15, 1967 (Administrative Post) Komei Ueki
- August 16, 1967 - February 28, 1969 Komei Ueki
- March 1, 1969 - January 30, 1971 (Administrative Post) Tadao Tsubaki
- January 31 - February 19, 1971 (Administrative Post) Yo Oyake
- February 20 - June 12, 1971 (Administrative Post) Tadao Tsubaki
- June 13 - August 24, 1971 (Administrative Post) Komei Ueki
- August 25, 1971 - April 1, 1972 (Administrative Post) Tadao Tsubaki
- April 2 - April 27, 1972 (Administrative Post) Komei Ueki
- April 28, 1972 - April 27, 1976 Komei Ueki
- April 28, 1976 - April 27, 1978 Tadao Tsubaki
- April 28, 1978 - April 1, 1980 Komei Ueki
- April 2, 1980 - January 31, 1985 Naoshige Maruyama
- February 1, 1985 - January 31, 1993 Fusahiro Ikuta
- February 1, 1993 - January 31, 1995 Mei Satake
- February 1, 1995 - January 31, 2001 Ryuichi Tanaka
- February 1, 2001 - June 30, 2002 Shoji Tsuji
- July 1, 2002 - January 31, 2014 Hitoshi Takahashi
- February 1, 2014 - January 31, 2016 Masatoyo Nishizawa
- February 1, 2016 - January 31, 2020 Hiroyuki Nawa
- February 1, 2020 - January 31, 2026 Osamu Onodera
- February 1, 2026 - Hideaki Matsui
