| Minister of State, Head of Science and Technology Authority ( 国務 大臣 科学 技術 庁 長官 
kokumu-daijin kagaku-gijutsu-chō chōkan )
 | 
| # | 
Surname | 
cabinet | 
Taking office | 
Political party
 | 
| 
01 | 
Matsutarō Shōriki | 
Hatoyama III | 
75710721875 ♠May 19, 1956 | 
Liberal Democratic Party
 | 
| 
02 | 
Kōichi Uda | 
Ishibashi | 
75731931575 ♠23 Dec 1956
 | 
| 
03 | 
Kishi I | 
75741048025 ♠Feb 25, 1957
 | 
| 
04th | 
Matsutarō Shōriki | 
Kishi I (transformation) | 
75754536650 ♠July 10, 1957
 | 
| 
05 | 
Takeo Miki | 
Kishi II | 
75790444300 ♠June 12, 1958
 | 
| - | 
Tatsunosuke Takasaki | 
75810072575 ♠Dec 31, 1958
 | 
| 
06th | 
75814258700 ♠Jan. 12, 1959
 | 
| 
07th | 
Yasuhiro Nakasone | 
Kishi II (transformation) | 
75829700850 ♠June 18, 1959
 | 
| 
08th | 
Masuo Araki | 
Ikeda I | 
75871469075 ♠July 19, 1960
 | 
| 
09 | 
Masanosuke Ikeda | 
Ikeda II | 
75885329800 ♠0Dec 8, 1960
 | 
| 10 | 
Takeo Miki | 
Ikeda II (1st transformation) | 
75910074450 ♠July 18, 1961
 | 
| 11 | 
Tsuruyo Kondo | 
Ikeda II (2nd transformation) | 
75948772850 ♠July 18, 1962
 | 
| 12 | 
Eisaku Satō | 
Ikeda II (3rd transformation) | 
75987471250 ♠July 18, 1963
 | 
| 13 | 
Ikeda III | 
76001518025 ♠0Dec 9, 1963
 | 
| - | 
Hayato Ikeda | 
76024216125 ♠June 29, 1964
 | 
| 14th | 
Kiichi Aichi | 
Ikeda III (remodeling) | 
76026169650 ♠July 18, 1964
 | 
| 15th | 
Satō I | 
76037239625 ♠0Nov 9, 1964
 | 
| 16 | 
Shōkichi Uehara | 
Satō I (1st transformation) | 
76060495875 ♠0June 3, 1965
 | 
| 17th | 
Kiichi Arita | 
Satō I (2nd transformation) | 
76104961825 ♠0Aug 1, 1966
 | 
| 18th | 
Susumu Nikaidō | 
Satō I (3rd transformation) | 
76117055075 ♠0Dec 3, 1966
 | 
| 19th | 
Satō II | 
76127287825 ♠Feb. 17, 1967
 | 
| 20th | 
Naotsugu Nabeshima | 
Satō II (1st transformation) | 
76154823225 ♠Nov 25, 1967
 | 
| 21st | 
Shirō Kiuchi | 
Satō II (2nd transformation) | 
76193986750 ♠Nov. 30, 1968
 | 
| 22nd | 
Shin'ichi Nishida | 
Satō III | 
76240127150 ♠Jan. 14, 1970
 | 
| 23 | 
Wataru Hiraizumi | 
Satō III (transformation) | 
76295849125 ♠05th July 1971
 | 
| 24 | 
Shirō Kiuchi | 
76308779600 ♠Nov 16, 1971
 | 
| 25th | 
Yasuhiro Nakasone | 
Tanaka I | 
76334733575 ♠0July 7, 1972
 | 
| 26th | 
Kazuo Maeda | 
Tanaka II | 
76351012950 ♠Dec 22, 1972
 | 
| 27 | 
Kinji Moriyama | 
Tanaka II (1st transformation) | 
76387013625 ♠Nov 25, 1973
 | 
| 28 | 
Tokurō Adachi | 
Tanaka II (2nd transformation) | 
76424409675 ♠Nov 11, 1974
 | 
| 29 | 
Yoshitake Sasaki | 
Miki | 
76427200425 ♠0Dec 9, 1974
 | 
| 30th | 
Masao Maeda | 
Miki (transformation) | 
76496224975 ♠Sep 15 1976
 | 
| 31 | 
Sōsuke Uno | 
Fukuda | 
76505992600 ♠Dec. 24, 1976
 | 
| 32 | 
Tasaburō Kumagai | 
Fukuda (reshuffle) | 
76542086300 ♠Nov 28, 1977
 | 
| 33 | 
Iwazō Kaneko | 
Ōhira I | 
76581807975 ♠07th Dec 1978
 | 
| 34 | 
Yūji Osada | 
Ōhira II | 
76617715625 ♠0Nov 9, 1979
 | 
| 35 | 
Ichirō Nakagawa | 
Suzuki  Suzuki (transformation)
 | 
76645251025 ♠17th July 1980
 | 
| 36 | 
Takaaki Yasuda | 
Nakasone I | 
76735485275 ♠Nov. 27, 1982
 | 
| 37 | 
Michiyuki Isurugi | 
Nakasone II | 
76777160475 ♠Dec. 27, 1983
 | 
| 38 | 
Reiichi Takeuchi | 
Nakasone II (1st transformation) | 
76810463425 ♠0Nov 1, 1984
 | 
| 39 | 
Yōhei Kono | 
Nakasone II (2nd transformation) | 
76854650300 ♠Dec 28, 1985
 | 
| 40 | 
Yatarō Mitsubayashi | 
Nakasone III | 
76877906550 ♠July 22, 1986
 | 
| 41 | 
Sōichirō Itō | 
Takeshita | 
76927023750 ♠0Nov 6, 1987
 | 
| 42 | 
Moichi Miyazaki | 
Takeshita (transformation) | 
76970652475 ♠Dec. 27, 1988
 | 
| 43 | 
Kishirō Nakamura | 
U.N | 
76989257475 ♠0June 3, 1989
 | 
| 44 | 
Eizaburō Saitō | 
Kaifu I | 
76995862250 ♠Aug 10, 1989
 | 
| 45 | 
Tomoji Ōshima | 
Kaifu II | 
77018374300 ♠Feb 28, 1990
 | 
| 46 | 
Akiko Santō | 
Kaifu II (remodeling) | 
77048235325 ♠Dec 29, 1990
 | 
| 47 | 
Kanzo Tanigawa | 
Miyazawa | 
77081724325 ♠0Nov 5, 1991
 | 
| 48 | 
Mamoru Nakajima | 
Miyazawa (reshuffle) | 
77124050700 ♠Dec 12, 1992
 | 
| - | 
Kiichi Miyazawa  (acting)
 | 
77145446450 ♠June 18, 1993
 | 
| 49 | 
Shōichi Watanabe | 
77145725525 ♠June 21, 1993
 | 
| 50 | 
Satsuki Eda | 
Hosokawa | 
77150562825 ♠0Aug 9, 1993 | 
Social Democratic Federation
 | 
| 51 | 
Mikio Ōmi | 
Hata | 
77179121500 ♠Apr 28, 1994 | 
Kōmeitō
 | 
| 52 | 
Makiko Tanaka | 
Murayama | 
77185261150 ♠June 30, 1994 | 
Liberal Democratic Party
 | 
| 53 | 
Yasuoki Urano | 
Murayama (transformation) | 
77227866600 ♠0Aug 8, 1995
 | 
| 54 | 
Hidenao Nakagawa | 
Hashimoto I | 
77246006475 ♠Jan. 11, 1996
 | 
| 55 | 
Riichirō Chikaoka | 
Hashimoto II | 
77275402375 ♠0Nov 7, 1996
 | 
| 56 | 
Sadakazu Tanigaki | 
Hashimoto II (remodeling) | 
77308519275 ♠Sep 11 1997
 | 
| 57 | 
Yutaka Takeyama | 
Obuchi | 
77343031550 ♠July 30, 1998
 | 
| 58 | 
Akito Arima | 
Obuchi (1st transformation) | 
77362380750 ♠Jan. 14, 1999
 | 
| 59 | 
Hirofumi Nakasone | 
Obuchi (2nd transformation) | 
77388334725 ♠0Oct 5, 1999
 | 
| 60 | 
Mori I | 
77409172325 ♠0Apr 5, 2000
 | 
| 61 | 
Tadamori Ōshima | 
Mori II | 
77418009700 ♠04th July 2000
 | 
| 62 | 
Nobutaka Machimura | 
Mori II (reshuffle) | 
77432986725 ♠0Dec 5, 2000
 |