- Professional Combat Sport Championship Histories -
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| Okano Kōji | 1964-08-16 | Tōkyō |
| Defeats Kubokura Kazuyoshi; vacates on 65-04-25. | ||
| Fuji Takeshi | 1965-06-17 | Tōkyō |
| Defeats Sasazaki Nakao; vacates on 67-07-25. | ||
| Ogiwara Shigeru | 1967-08-03 | Morioka, Iwate |
| Defeats Nishi Kazuo; vacates on 69-03-05. | ||
| Lion Furuyama (Furuyama Tetsuo) | 1969-04-09 | Nagoya |
| Defeats Urawa Yōichi; vacates on 70-12-17 | ||
| Eagle Satō | 1971-01-15 | Tōkyō |
| Defeats Hikari Yukinori. | ||
| Shōji Hiroshi | 1972-02-13 | Yokote, Akita |
| Lion Furuyama [2] | 1972-10-30 | Tōkyō |
| Hatakeyama Noboru | 1977-10-27 | Tōkyō |
| Fukumoto Eiichi | 1979-09-24 | Tōkyō |
| Sugiya Minoru | 1980-05-19 | Shimizu, Shizuoka |
| Fukumoto Eiichi [2] | 1980-09-23 | Tōkyō |
| Hatakeyama Noboru [2] | 1980-12-15 | Tōkyō |
| Fukumoto Eiichi [3] | 1981-04-30 | Tōkyō |
| Moriyasu Tatsuya | 1981-08-27 | Ichihara, Chiba |
| Kameda Akio | 1982-11-02 | Tōkyō |
| Vacates on 84-10-07. | ||
| Tanabu Masahiro | 1984-12-10 | Tōkyō |
| Defeats Fujiwara Seiji. | ||
| Hokama Katsunori | 1985-04-04 | Tōkyō |
| Tanabu Masahiro [2] | 1985-10-03 | Tōkyō |
| Hiranaka Akinobu | 1986-01-09 | Tōkyō |
| Vacates on 88-07-21. | ||
| Kitajima Yoshifumi | 1989-07-10 | Tōkyō |
| Defeats Kikuzaki Eiji. | ||
| Yamamoto Yoshihiro | 1989-10-09 | Tōkyō |
| Rick Yoshimura (Frederick Roberts) | 1990-01-23 | Tōkyō |
| Slav Yanovskiy (Vyacheslav Yanovskiy) | 1991-03-09 | Tōkyō |
| Vacates in 92 upon returning to BLR. | ||
| Kuwata Hiromu | 1992-06-24 | Ōsaka |
| Defeats Yamamoto Yoshihiro. | ||
| Arai Hisao | 1996-10-21 | Tōkyō |
| Ono Jun-ichi | 1998-04-28 | Sendai |
| Maeda Hiroyuki | 2000-04-02 | Tōkyō |
| Vacates on 01-10-02. | ||
| Yuba Tadashi | 2002-03-23 | Yokohama |
| Defeats Adachi Joe. | ||
| Sasaki Motoki | 2003-02-15 | Tōkyō |
| Eguchi Shingo | 2003-05-19 | Tōkyō |
| Kimura Norio | 2004-04-03 | Tōkyō |
| Onodera Yōsukezan | 2009-04-04 | Tōkyō |
| Kamegai Yoshihiro | 2010-04-12 | Tōkyō |
| Vacates on 11-02-03 when Kamegai cancels the scheduled defense due to flu. | ||
| Nagase Shin-ya | 2011-07-12 | Tōkyō |
| Defeats Itō Kazuya. | ||
| Wauke Yūji | 2011-10-14 | Tōkyō |
| Iwabuchi Shin-ya | 2012-02-13 | Tōkyō |
| Vacates on 13-03-02. | ||
| Obara Keita | 2013-04-08 | Tōkyō |
| Defeats Hokazono Hayato; vacates on 13-12-22; wins OPBF Title on 14-04-14. | ||
| Okada Hiroki | 2014-03-04 | Tōkyō |
| Defeats Kotake Masayoshi; vacates on 16-11-25. | ||
| Asō Kōichi | 2017-02-09 | Tōkyō |
| Defeats Matsuyama Kazuki. | ||
| Hosokawa Valentine | 2017-12-14 | Tōkyō |
| Inoue Kōki | 2019-04-06 | Tōkyō |
| Also wins WBO Asia Pacific Title on 19-12-02. | ||
| Nagata Daishi | 2020-07-16 | Tōkyō |
| Wins Japanese Title only. | ||
| Suzuki Masahiro | 2021-06-10 | Tōkyō |
| Vacates on 21-06-16 upon moving down to the lightweight class. | ||
| Hiraoka Andy | 2021-10-19 | Tōkyō |
| Defeats Sasaki Jin; also wins the vacant WBO Asia Pacific Title; vacates the Japanese title on 23-01-16. | ||
| Fujita Homura | 2023-04-26 | Tōkyō |
| Defeats Cristiano Aoqui. | ||
| Lee Kuntae | 2024-04-09 | Tōkyō |
