- Professional Combat Sport Championship Histories -
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| Oriental Boxing Federation | ( | 1954-10 | - | 1977-11 | ) |
| Oriental and Pacific Boxing Federation | ( | 1977-11 | - | ) |
* Bolded letters in the competitor's name, if any, indicate the surname/family name.
| Chamroen Songkitrat # | 1953-03-01 | Bangkok, THA |
| Defeats Speedy Cabanela to win the Orient Title; may be retrospectively recognized as the first OPBF champion; vacant in 54-02. | ||
| Akiyama Masashi # | 1954-03-30 | Tōkyō, JPN |
| Defeats Tommy Lerma. | ||
| Bonnie Espinosa | 1954-09-20 | Tōkyō, JPN |
| Officially recognized as the champion by the OPBF upon its inception on 54-10-27. | ||
| Omsap Narfai (Omsap Laemfapha) | 1955-04-10 | Bangkok, THA |
| Akiyama Masashi [2] | 1955-07-15 | Ōsaka, JPN |
| Sawada Jirō | 1955-08-25 | Tōkyō, JPN |
| Leo Alonzo | 1955-12-03 | Manila, PHI |
| Stripped of the title on 57-03-10. | ||
| Flash Elorde (Gabriel Elorde) | 1957-04-27 | Nagoya, JPN |
| Defeats Kobayashi Hideto. | ||
| Omsap Laemfapha [2] | 1957-06-23 | Bangkok, THA |
| Ōkawa Hiroshi | 1957-11-20 | Tōkyō, JPN |
| Flash Elorde [2] | 1958-03-02 | Tōkyō, JPN |
| Kosaka Teruo | 1962-04-30 | Tōkyō, JPN |
| Flash Elorde [3] | 1962-08-04 | Cebu, PHI |
| Numata Yoshiaki | 1966-06-09 | Tōkyō, JPN |
| Vacates on 66-07-04. | ||
| Pedro Adigue Jr. | 1966-12-17 | Manila, PHI |
| Defeats Kang Boo-yong; vacates on 69-01-06. | ||
| Jaguar Kakizawa | 1969-02-24 | Tōkyō, JPN |
| Defeats Rudy Gonzalez. | ||
| Cho Young-chul | 1970-03-15 | Tōkyō, JPN |
| Kadota Shin-ichi | 1970-10-18 | Seoul, KOR |
| Suzuki Ishimatsu (Guts Ishimatsu) | 1972-01-16 | Tōkyō, JPN |
| Vacates on 74-04-17 after winning WBC World Title on 74-04-11. | ||
| Fred Rolando Pastor | 1974-07-19 | Quezon City, PHI |
| Defeats Malaithong Sitkoon. | ||
| Kashiwaba Morito | 1975-02-21 | Agana, GUM |
| Vacates on 76-03-15. | ||
| Oh Young-ho | 1976-04-25 | Daegu, KOR |
| Defeats Tony Jumao-As. | ||
| Kim Kwang-min | 1981-04-10 | Busan, KOR |
| Kim Deuk-koo | 1982-02-28 | Cheongju, KOR |
| Vacates on 82-11-13. | ||
| Rolando Aldemir | 1983-03-07 | Bangkok, THA |
| Muhammed Juhari | 1983-10-16 | Malang, INA |
| Jong Jong Pacquing | 1984-09-23 | INA |
| Hamada Tsuyoshi | 1985-07-07 | Tōkyō, JPN |
| Vacates in 86-07. | ||
| Sakad Petchyindee | 1986-10-28 | Bangkok, THA |
| Defeats Dale Artango. | ||
| Park Bong-chun | 1988-02-28 | Daejeon, KOR |
| Ōtomo Iwao | 1989-06-19 | Tōkyō, JPN |
| Gussie Nazarov (Orzubek Nazarov) | 1992-05-11 | Tōkyō, JPN |
| Vacates on 93-09-21 to challenge for WBA world title. | ||
| Adrianus Taroreh | 1994-01-07 | INA |
| Defeats Noh Jung-jin; vacates in 96-02. | ||
| Sakamoto Hiroyuki | 1996-03-03 | Yokohama, JPN |
| Defeats Roger Borreros; vacates on 97-01-20. | ||
| Baek Jong-kwon | 1997-03-13 | Gwangmyeong, KOR |
| Defeats Ali Albaracin; vacates in 99-09. | ||
| Yuh Seung-ho | 2000-01-10 | Tōkyō, JPN |
| Defeats Watanabe Yūji; vacant in 00. | ||
| Watanabe Yūji | 2000-04-10 | Tōkyō, JPN |
| Defeats Stuart Patterson. | ||
| Yuh Seung-ho [2] | 2000-10-02 | Tōkyō, JPN |
| Vacates in 01-06. | ||
| Dennis Laurente | 2001-11-23 | Nagoya, JPN |
| Inada Chikashi | 2005-03-05 | Tōkyō, JPN |
| Vacates on 06-03-29. | ||
| Randy Suico | 2006-10-14 | Mandaue City, PHI |
| Defeats Phongsak Phaor. | ||
| Ishii Ichitarō | 2008-12-20 | Tōkyō, JPN |
| Vacates on 09-01-16. | ||
| Nagashima Kengo | 2009-03-29 | Tōkyō, JPN |
| Defeats Randy Suico. | ||
| Migaki Ryūji | 2010-01-16 | Tōkyō, JPN |
| Vacates in 11-08. | ||
| Arakawa Nihito | 2011-10-04 | Tōkyō, JPN |
| Defeats Jay Solmiano; vacates on 13-03-07. | ||
| Katō Yoshitaka | 2013-05-04 | Tōkyō, JPN |
| Defeats Sasaki Motoki. | ||
| Nakatani Masayoshi | 2014-01-11 | Tōkyō, JPN |
| Vacates on 19-09-02. | ||
| Yoshino Shūichirō | 2019-10-10 | Tōkyō, JPN |
| Defeats Harmonito Dela Torre and also wins the vacant WBO Asia Pacific Title; also holds Japanese Title but vacates it on 21-12-06; vacates other titles on 23-03-16 to focus on winning the world title; Roldan Aldea and Suzuki Masahiro fight for the vacant title to a draw on 23-10-07. | ||
| Suzuki Masahiro | 2024-01-20 | Tōkyō, JPN |
| Defeats Roldan Aldea. | ||
| Utsuki Shū | 2024-07-19 | Tōkyō, JPN |
| Also wins the WBO Asia Pacific Title on 24-11-21. | ||
