- Professional Combat Sport Championship Histories -
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| Oriental Boxing Federation | ( | 1960-06 | - | 1977-11 | ) |
| Oriental and Pacific Boxing Federation | ( | 1977-11 | - | ) |
* Bolded letters in the competitor's name, if any, indicate the surname/family name.
| Ōkawa Hiroshi | 1960-06-30 | Tōkyō, JPN |
| Defeats Somkiat Kiatmuangyom to become the first champion. | ||
| Kirisak Barbos | 1961-05-04 | Tōkyō, JPN |
| Katsumata Yukio | 1961-11-30 | Tōkyō, JPN |
| Oscar Reyes | 1962-05-27 | Ōsaka, JPN |
| Katsumata Yukio [2] | 1962-09-03 | Tōkyō, JPN |
| Larry Flaviano | 1964-05-17 | Tōkyō, JPN |
| Yoshiaki Numata | 1965-04-01 | Sapporo, JPN |
| Vacates on 69-04-02. | ||
| Suleman Itti Aanuchit | 1969-05-12 | Manila, PHI |
| Defeats Jimmy Noel. | ||
| Rene Barrientos | 1970-08-14 | Quezon City, PHI |
| Vacates in 72-01. | ||
| Okabe Susumu | 1972-03-23 | Tōkyō, JPN |
| Defeats Flash Gallego; vacates on 72-08-04. | ||
| Kim Hyun-chi | 1972-09-03 | Seoul, KOR |
| Defeats Nobata Sumio; stripped of the title in 74-10. | ||
| Apollo Yoshio | 1975-04-07 | Ōsaka, JPN |
| Defeats Little Gallego. | ||
| Ray Tam | 1977-11-20 | Benguet, PHI |
| Choi Moon-suk | 1978-11-19 | Busan, KOR |
| Fukita Ryū | 1979-11-06 | Tōkyō, JPN |
| Oh Young-se | 1981-01-27 | Tōkyō, JPN |
| Moon Tae-jin | 1981-12-06 | Seoul, KOR |
| Vacates in 83-08. | ||
| Rod Sequenan | 1983-08-28 | Jeonju, KOR |
| Defeats Lee Il-bok. | ||
| Kim Sung-yoon | 1986-06-01 | Incheon, KOR |
| Gerron Porras | 1986-12-27 | Daegu, KOR |
| Hengky Gun | 1988-06-18 | Surabaya, INA |
| Rudy Cabiles | 1990-08-31 | Jakarta, INA |
| Kim Man-soo | 1991-04-06 | Seoul, KOR |
| Vacates in 91-07 upon retirement. | ||
| Tiger Ari (Eder Olivetti) | 1992-03-15 | Daegu, KOR |
| Defeats Chung Dong-sup. | ||
| Lee Eun-shik | 1993-09-25 | Daejeon, KOR |
| Choi Yong-soo | 1993-12-26 | Jinju, KOR |
| Vacates in 95. | ||
| Mitani Yamato | 1995-10-09 | Tōkyō, JPN |
| Defeats Visan Thummong; loses in WBA world title match on 96-01-27; may have vacated the title in 95-12. | ||
| Hatakeyama Takanori | 1996-03-18 | Tōkyō, JPN |
| Defeats Choi Jung-chil; vacates on 97-07-07. | ||
| Mitani Yamato [2] | 1997-11-08 | Okayama, JPN |
| Defeats Joselito Rivera. | ||
| Nagashima Kengo | 1998-06-08 | Tōkyō, JPN |
| Vacates on 99-06-16. | ||
| Tiger Ari [2] | 1999-11-29 | Ōsaka, JPN |
| Defeats Ryūki Kenji; vacates in 02-03. | ||
| Randy Suico | 2002-04-27 | Cebu, PHI |
| Defeats Yuh Seung-ho; vacates in 06-04. | ||
| Honmō Nobuhito | 2006-05-20 | Tōkyō, JPN |
| Defeats Jimrex Jaca; loses in WBA world title match on 07-05-03. | ||
| Kobori Yūsuke | 2007-05-19 | Tōkyō, JPN |
| Defeats Murakami Junji; vacates on 07-08-27. | ||
| Uchiyama Takashi | 2007-09-08 | Tōkyō, JPN |
| Defeats Nedal Hussein; vacates in 09-12. | ||
| Kawamura Kōji | 2010-01-11 | Tōkyō, JPN |
| Defeats Kim Sung-tae; vacates in 10-06 upon retirement. | ||
| Allan Tanada | 2010-09-20 | Saitama, JPN |
| Defeats Fukuhara Rikiya. | ||
| Nakamura Masao | 2010-12-05 | Ōsaka, JPN |
| Ronald Pontillas | 2011-05-07 | Ōsaka, JPN |
| Kim Dong-hyuk | 2012-01-15 | Gyeongju, KOR |
| Jomthong Chuwatana (Thanakorn Pawachart) | 2012-05-28 | Seoul, KOR |
| Vacates on 15-03-31. | ||
| Itō Masayuki | 2015-08-10 | Tōkyō, JPN |
| Defeats Iwai Dai; vacates on 17-10-03. | ||
| Carlo Magali | 2017-10-03 | |
| Interim champion since defeating Sandeep Balhara on 17-07-09 in Kuala Lumpur, MAS; status promoted when Itō vacates the title. | ||
| Mishiro Hironori | 2018-06-20 | Tōkyō, JPN |
| Vacates on 21-03-25 upon moving up to the lightweight class. | ||
| Kimura Yoshimitsu | 2021-12-14 | Tōkyō, JPN |
| Defeats Saka Kōsuke; vacates in 22-03. | ||
| Rikiishi Masanori (Satō Masanori) | 2022-05-15 | Tōkyō, JPN |
| Defeats Watanabe Takuya; vacates in 22; Watanabe Takuya and Mori Musashi fight for the vacant title to a draw on 23-03-29. | ||
| Mori Musashi | 2023-06-24 | Tōkyō, JPN |
| Defeats Watanabe Takuya; vacates in 23-11. | ||
| Saka Kōsuke | 2024-02-16 | Tōkyō, JPN |
| Defeats Koibuchi Ken. | ||
| Hata Yamato | 2024-06-01 | Tōkyō, JPN |
