Japan in Judo

1964 Summer Olympics

Lightweight, Men Takehide Nakatani 1 Gold
Middleweight, Men Isao Okano 1 Gold
Heavyweight, Men Isao Inokuma 1 Gold
Open Class, Men Akio Kaminaga 2 Silver

1972 Summer Olympics

Lightweight, Men Takao Kawaguchi 1 Gold
Half-Middleweight, Men Toyokazu Nomura 1 Gold
Middleweight, Men Shinobu Sekine 1 Gold
Half-Heavyweight, Men Fumio Sasahara =13
Heavyweight, Men Motoki Nishimura =3 Bronze
Open Class, Men Masatoshi Shinomaki =11

1976 Summer Olympics

Lightweight, Men Yoshiharu Minami =12
Half-Middleweight, Men Koji Kuramoto 2 Silver
Middleweight, Men Isamu Sonoda 1 Gold
Half-Heavyweight, Men Kazuhiro Ninomiya 1 Gold
Heavyweight, Men Sumio Endo =3 Bronze
Open Class, Men Haruki Uemura 1 Gold

1984 Summer Olympics

Extra-Lightweight, Men Shinji Hosokawa 1 Gold
Half-Lightweight, Men Yoshiyuki Matsuoka 1 Gold
Lightweight, Men Hidetoshi Nakanishi =5
Half-Middleweight, Men Hiromitsu Takano =5
Middleweight, Men Seiki Nose =3 Bronze
Half-Heavyweight, Men Masato Mihara =7
Heavyweight, Men Hitoshi Saito 1 Gold
Open Class, Men Yasuhiro Yamashita 1 Gold

1988 Summer Olympics

Extra-Lightweight, Men Shinji Hosokawa =3 Bronze
Half-Lightweight, Men Yosuke Yamamoto =3 Bronze
Lightweight, Men Toshihiko Koga =13
Half-Middleweight, Men Hirotaka Okada =14
Middleweight, Men Akinobu Osako =3 Bronze
Half-Heavyweight, Men Hitoshi Sugai =12
Heavyweight, Men Hitoshi Saito 1 Gold
Extra-Lightweight, Women Fumiko Ezaki 2
Half-Lightweight, Women Kaori Yamaguchi =3
Half-Middleweight, Women Noriko Mochida =3
Middleweight, Women Hikari Sasaki 1
Half-Heavyweight, Women Yoko Tanabe =3

1992 Summer Olympics

Extra-Lightweight, Men Tadanori Koshino =3 Bronze
Half-Lightweight, Men Kenji Maruyama =7
Lightweight, Men Toshihiko Koga 1 Gold
Half-Middleweight, Men Hidehiko Yoshida 1 Gold
Middleweight, Men Hirotaka Okada =3 Bronze
Half-Heavyweight, Men Yasuhiro Kai =7
Heavyweight, Men Naoya Ogawa 2 Silver
Extra-Lightweight, Women Ryoko Tamura-Tani 2 Silver
Half-Lightweight, Women Noriko Mizoguchi 2 Silver
Lightweight, Women Chiyori Tateno =3 Bronze
Half-Middleweight, Women Takako Kobayashi =20
Middleweight, Women Ryoko Fujimoto =16
Half-Heavyweight, Women Yoko Tanabe 2 Silver
Heavyweight, Women Yoko Sakaue =3 Bronze

1996 Summer Olympics

Extra-Lightweight, Men Tadahiro Nomura 1 Gold
Half-Lightweight, Men Yukimasa Nakamura 2 Silver
Lightweight, Men Kenzo Nakamura 1 Gold
Half-Middleweight, Men Toshihiko Koga 2 Silver
Middleweight, Men Hidehiko Yoshida =5
Half-Heavyweight, Men Yoshio Nakamura =7
Heavyweight, Men Naoya Ogawa =5
Extra-Lightweight, Women Ryoko Tamura-Tani 2 Silver
Half-Lightweight, Women Noriko Sugawara-Narazaki =3 Bronze
Lightweight, Women Noriko Mizoguchi =9
Half-Middleweight, Women Yuko Emoto 1 Gold
Middleweight, Women Risa Kazumi =14
Half-Heavyweight, Women Yoko Tanabe 2 Silver
Heavyweight, Women Noriko Anno =18

2000 Summer Olympics

Extra-Lightweight, Men Tadahiro Nomura 1 Gold
Half-Lightweight, Men Yukimasa Nakamura =7
Lightweight, Men Kenzo Nakamura =9
Half-Middleweight, Men Makoto Takimoto 1 Gold
Middleweight, Men Hidehiko Yoshida =9
Half-Heavyweight, Men Kosei Inoue 1 Gold
Heavyweight, Men Shinichi Shinohara 2 Silver
Extra-Lightweight, Women Ryoko Tamura-Tani 1 Gold
Half-Lightweight, Women Noriko Sugawara-Narazaki 2 Silver
Lightweight, Women Kie Kusakabe =3 Bronze
Half-Middleweight, Women Keiko Maeda AC
Middleweight, Women Masae Ueno =9
Half-Heavyweight, Women Noriko Anno AC
Heavyweight, Women Mayumi Yamashita =3 Bronze

2004 Summer Olympics

Extra-Lightweight, Men Tadahiro Nomura 1 Gold
Half-Lightweight, Men Masato Uchishiba 1 Gold
Lightweight, Men Masahiro Takamatsu AC
Half-Middleweight, Men Masahiko Tomouchi AC
Middleweight, Men Hiroshi Izumi 2 Silver
Half-Heavyweight, Men Kosei Inoue AC
Heavyweight, Men Keiji Suzuki 1 Gold
Extra-Lightweight, Women Ryoko Tamura-Tani 1 Gold
Half-Lightweight, Women Yuki Yokosawa 2 Silver
Lightweight, Women Kie Kusakabe AC
Half-Middleweight, Women Ayumi Tanimoto 1 Gold
Middleweight, Women Masae Ueno 1 Gold
Half-Heavyweight, Women Noriko Anno 1 Gold
Heavyweight, Women Maki Tsukada 1 Gold

2008 Summer Olympics

Extra-Lightweight, Men Hiroaki Hiraoka =21
Half-Lightweight, Men Masato Uchishiba 1 Gold
Lightweight, Men Yusuke Kanamaru =7
Half-Middleweight, Men Takashi Ono =21
Middleweight, Men Hiroshi Izumi =15
Half-Heavyweight, Men Keiji Suzuki =13
Heavyweight, Men Satoshi Ishii 1 Gold
Extra-Lightweight, Women Ryoko Tamura-Tani =3 Bronze
Half-Lightweight, Women Misato Nakamura =3 Bronze
Lightweight, Women Aiko Sato =7
Half-Middleweight, Women Ayumi Tanimoto 1 Gold
Middleweight, Women Masae Ueno 1 Gold
Half-Heavyweight, Women Sae Nakazawa =16
Heavyweight, Women Maki Tsukada 2 Silver

2010 Summer Youth Olympics

≤100 kilograms, Boys Ryosuke Igarashi 1 Gold
≤63 kilograms, Girls Miku Tashiro 1 Gold

2012 Summer Olympics

Extra-Lightweight, Men Hiroaki Hiraoka 2 Silver
Half-Lightweight, Men Masashi Ebinuma =3 Bronze
Lightweight, Men Riki Nakaya 2 Silver
Half-Middleweight, Men Takahiro Nakai =5
Middleweight, Men Masashi Nishiyama =3 Bronze
Half-Heavyweight, Men Takamasa Anai =9
Heavyweight, Men Daiki Kamikawa =9
Extra-Lightweight, Women Tomoko Fukumi =5
Half-Lightweight, Women Misato Nakamura =9
Lightweight, Women Kaori Matsumoto 1 Gold
Half-Middleweight, Women Yoshie Ueno =3 Bronze
Middleweight, Women Haruka Tachimoto =7
Half-Heavyweight, Women Akari Ogata =9
Heavyweight, Women Mika Sugimoto 2 Silver

2014 Summer Youth Olympics

≤66 kilograms, Boys Hifumi Abe 1 Gold
≤44 kilograms, Girls Honoka Yamauchi =3 Bronze

2016 Summer Olympics

Extra-Lightweight, Men Naohisa Takato =3 Bronze
Half-Lightweight, Men Masashi Ebinuma =3 Bronze
Lightweight, Men Shohei Ono 1 Gold
Half-Middleweight, Men Takanori Nagase =3 Bronze
Middleweight, Men Mashu Baker 1 Gold
Half-Heavyweight, Men Ryunosuke Haga =3 Bronze
Heavyweight, Men Hisayoshi Harasawa 2 Silver
Extra-Lightweight, Women Ami Kondo =3 Bronze
Half-Lightweight, Women Misato Nakamura =3 Bronze
Lightweight, Women Kaori Matsumoto =3 Bronze
Half-Middleweight, Women Miku Tashiro =5
Middleweight, Women Haruka Tachimoto 1 Gold
Half-Heavyweight, Women Mami Umeki =9
Heavyweight, Women Kanae Yamabe =3 Bronze

2020 Summer Olympics

Extra-Lightweight, Men Naohisa Takato 1 Gold
Half-Lightweight, Men Hifumi Abe 1 Gold
Lightweight, Men Shohei Ono 1 Gold
Half-Middleweight, Men Takanori Nagase 1 Gold
Middleweight, Men Shoichiro Mukai =9
Half-Heavyweight, Men Aaron Wolf 1 Gold
Heavyweight, Men Hisayoshi Harasawa =5
Extra-Lightweight, Women Funa Tonaki 2 Silver
Half-Lightweight, Women Uta Abe 1 Gold
Lightweight, Women Tsukasa Yoshida =3 Bronze
Half-Middleweight, Women Miku Tashiro =9
Middleweight, Women Chizuru Arai 1 Gold
Half-Heavyweight, Women Shori Hamada 1 Gold
Heavyweight, Women Akira Sone 1 Gold
Team, Mixed Japan 2 Silver
Uta AbeShohei OnoChizuru AraiShoichiro MukaiAkira SoneAaron WolfTsukasa YoshidaMiku Tashiro (DNS)Shori Hamada (DNS)Hifumi Abe (DNS)Takanori Nagase (DNS)Hisayoshi Harasawa (DNS)