Following the name of the champion(s): Indicates the number of times the competitor has held that title at that point.
[...]
Indicates a gap in the listing where title changes are not known.
<
Title was held or changed hands no later than this. In these cases, it is known that a competitor held the title at a certain time but not when he/she won it.
@
Order uncertain. Different titleholders may be known for the same year, for example, but it is not known who held the title before whom.
#
Unofficial or disputable claims. These are usually matches that certainly took place, but where there is doubt that the competitor shown should be recognized as a true title holder. These listings are also italicized.
* Bolded letters in the competitor's name indicate the surname/family name.
Flash Elorde #
1952-10-18
Tōkyō, JPN
Defeats Horiguchi Hiroshi to win the Orient Title; may be retrospectively recognized as the first OPBF champion; vacates in 54-07 to move up to the upper weight classs.
Leo Espinosa
1954-07-08
Tōkyō, JPN
Defeats Taguchi Susumu; officially recognized as the champion by the OPBF upon its inception on 54-10-27; vacates in 55-12.
Komuro Keiichi
1955-12-03
Manila, PHI
Defeats Sanong Rorsorpor.
Leo Espinosa [2]
1956-03-04
Manila, PHI
Miura Kiyoshi
1958-10-08
Tōkyō, JPN
Leo Espinosa [3]
1958-11-15
Manila, PHI
Yonekura Kenji
1960-01-06
Tōkyō, JPN
Aoki Katsutoshi
1962-10-29
Tōkyō, JPN
Curly Aguirre
1963-09-05
Tōkyō, JPN
Aoki Katsutoshi [2]
1964-03-25
Tōkyō, JPN
Lee Won-suk
1966-04-28
Tōkyō, JPN
Sakurai Takao
1969-10-23
Tōkyō, JPN
Vacates in 71-06 upon retirement.
Kanazawa Kazuyoshi
1971-07-02
Tōkyō, JPN
Defeats Son Yong-hwan; vacates in 72-02.
Hong Soo-hwan
1972-06-04
Seoul, KOR
Defeats Al Diaz; vacates in 73-10.
Hong Soo-hwan [2]
1973-11-24
Seoul, KOR
Defeats Eddie Saloma; vacates in 74-10 after winning WBA World Title on 74-07-03.
Venice Borkhorsor
1974-11-29
Bangkok, THA
Defeats Hwang Bok-soo; stripped of the title in 76-03.
Hong Soo-hwan [3]
1976-05-30
Seoul, KOR
Defeats Venice Borkhorsor; stripped of the title in 77-05.
Kim Yung-shik [2]
1977-06-17
Seoul, KOR
Defeats Rolando Navarrete.
Murata Eijirō
1978-12-14
Tōkyō, JPN
Vacates in 83-12.
Neptali Alamag
1984-03-30
Manila, PHI
Defeats Imazato Mitsuo.
Kang Ki-yul
1985-03-16
Seoul, KOR
Ernie Cataluna
1987-02-08
Jinju, KOR
Joon Huh
1987-12-19
Jinju, KOR
Lee Eun-shik
1989-10-08
Busan, KOR
Vacates in 91-05.
Min Young-chun
1991-06-01
Seoul, KOR
Surapol Sidangnoi (Daorung Chuwatana)
1991-10-05
Incheon, KOR
Vacates in 94-03.
Visuth Chuvatana
1994-04-07
Bangkok, THA
Defeats H. Hadsanudin.
Lakhin Vasansit
1995-02-04
Bangkok, THA
Vacates in 95-04.
Chi In-jin
1995-04-23
Seoul, KOR
Defeats Jess Maca; vacates in 95-08.
Oh Jang-kyun
1996-09-06
Gwangmyeong, KOR
Defeats Jess Maca.
Nitta Shōsei
1996-10-21
Tōkyō, JPN
Go In-shik
1997-06-21
Tōkyō, JPN
Nakamura Masahiko
1997-11-01
Tōkyō, JPN
Jess Maca
1998-05-09
Tōkyō, JPN
Hasegawa Hozumi
2003-05-18
Kōbe, JPN
Vacates on 04-12-20.
Toriumi Jun
2005-02-19
Tōkyō, JPN
Defeats Ringgo Jaguar.
Kumarnthong Por Pluemkamol
2005-07-16
Tōkyō, JPN
Malcolm Tunacao
2005-11-19
Tōkyō, JPN
Rolly Matsushita (Rolly Lunas)
2007-01-13
Tōkyō, JPN
Vacates in 08-10.
Alexander Bakhtin
2008-12-31
Hiroshima, JPN
Defeats Kim Seung-kook; vacates on 09-10-09.
Malcolm Tunacao [2]
2010-02-06
Seoul, KOR
Defeats Chae Seung-suk; vacates in 11-06.
Rolly Matsushita [2]
2011-07-31
Kōbe, JPN
Defeats Zerofit Jerope Mizuyama (Jerope Mercado); vacates in 13-05.
Shiino Hiroki
2013-06-10
Tōkyō, JPN
Defeats Dennis Tubieron.
Iwasa Ryōsuke
2013-12-06
Tōkyō, JPN
Vacates on 14-12-25.
Kawaguchi Yū
2015-04-05
Ōsaka, JPN
Defeats Yamamoto Takahiro.
Yamamoto Takahiro
2015-08-02
Ōsaka, JPN
Mark John Yap
2016-11-11
Kōbe, JPN
Vacates on 18-11-09.
Kurihara Keita
2018-12-24
Ōsaka, JPN
Inoue Takuma
2021-01-14
Tōkyō, JPN
Vacates on 21-03-27 to focus on challenging for the world title.
