List of Japanese boxing world champions

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Yoshio Shirai was crowned Japan's first world champion in 1952.

This is a list of Japanese boxing world champions who have won major world titles from the "Big four" governing bodies in professional boxing namely the World Boxing Association (WBA), World Boxing Council (WBC), International Boxing Federation (IBF) and World Boxing Organization (WBO).[1] It was in 1952 that Yoshio Shirai won the world flyweight crown, becoming the first Japanese world champion. Since then, Japan has produced 84 world champions to date. Japan ranks third worldwide between countries with most boxing world champions.[2]

The most thriving period of Japan's boxing ran from the 1960s to the early 1970s. In the "golden 60s," Fighting Harada won championships in two divisions—flyweight and bantamweight.[3] In the 1970s, Japan had 5 world champions for a short period at the same time. Notable achievements in that period were Kuniaki Shibata's attainment of 3 world championships in two divisions,[4] Guts Ishimatsu captured the WBC lightweight championship becoming the first Japanese champion in the lightweight division.[5] Koichi Wajima, one of the most popular boxers in Japan for his peculiar "Frog Jump" uppercut punch, also left a big footstep in Japan's boxing history by winning junior middleweight championship 3 times including 6 consecutive title defenses.[6]

List of men's professional boxing world champions[]

The following is a list of Japanese boxing champions who have held titles from one or more of the "Big Four" organizations (WBA, WBC, IBF, WBO) and The Ring.

WBA has four recognized world champions, Super, Undisputed, Unified and Regular. The highest tier title is considered the primary champion of the division. Only boxers who are in the primary champion lineage are listed.

The ranking of WBA's primary champions are as follows:

  • Super
  • Undisputed
  • Unified
  • Regular

Other former international/national-world boxing commissions and organizations from the beginning of boxing are also included here:

  • New York State Athletic Commission (NYSAC)
  • National Boxing Association (NBA) - changed its name to World Boxing Association (WBA) in 1962
Current world champion
Inducted into the International Boxing Hall of Fame
World titles from world and The Ring
WBA Regular champion
‡ denotes that the WBA Super is vacant/vacated during his title reign.
No. Name Titles Date Opponent Result Defenses
1 Yoshio Shirai[7] NBA Flyweight (112) May 19, 1952 United States Dado Marino UD 15/15 4
The Ring Flyweight (112) 4
2 Fighting Harada[8] WBA Flyweight (112) Oct 10, 1962 Thailand Pone Kingpetch KO 11/15 0
The Ring Flyweight (112) 0
WBA Bantamweight (118) May 18, 1965 Brazil Éder Jofre SD 15/15 4
WBC Bantamweight (118) 4
The Ring Bantamweight (118) 4
3 Hiroyuki Ebihara[9] WBA Flyweight (112) Sep 18, 1963 Thailand Pone Kingpetch KO 1/15 0
WBC Flyweight (112) 0
The Ring Flyweight (112) 0
WBA Flyweight (112) – (2) Mar 30, 1969 Brazil Jose Severino UD 15/15 0
4 Takeshi Fuji[10] WBA Light welterweight (140) Apr 30, 1967 Italy Sandro Lopopolo KO 2/15 0
WBC Light welterweight (140) 0
The Ring Light welterweight (140) 0
5 Yoshiaki Numata[11] WBA Super featherweight (130) Jun 15, 1967 Philippines Flash Elorde MD 15/15 0
WBC Super featherweight (130) 0
The Ring Super featherweight (130) 0
WBC Super featherweight (130) – (2) Apr 5, 1970 Philippines Rene Barrientos SD 15/15 3
6 Hiroshi Kobayashi[12] WBA Super featherweight (130) Dec 14, 1967 Japan Yoshiaki Numata MD 15/15 6
WBC Super featherweight (130) 2
The Ring Super featherweight (130) 6
7 Shozo Saijo[13] WBA Featherweight (126) Sep 27, 1968 United States Raul Rojas UD 15/15 5
8 Masao Ohba[14] WBA Flyweight (112) Oct 22, 1970 Thailand Berkrerk Chartvanchai TKO 13/15 5
9 Kuniaki Shibata[15] WBC Featherweight (126) Dec 11, 1970 Mexico Vincente Saldivar RTD 12/15 2
The Ring Featherweight (126) 2
WBA Super featherweight (130) Mar 12, 1973 Philippines Ben Villaflor UD 15/15 1
The Ring Super featherweight (130) 1
WBC Super featherweight (130) Feb 28, 1974 Mexico Ricardo Arredondo UD 15/15 3
10 Koichi Wajima[16] WBA Light middleweight (154) Oct 31, 1971 Italy Carmelo Bossi SD 15/15 6
WBC Light middleweight (154) 6
The Ring Light middleweight (154) 6
WBA Light middleweight (154) – (2) Jan 21, 1975 United States Oscar Albarado UD 15/15 0
WBC Light middleweight (154) – (2) 0
The Ring Light middleweight (154) – (2) 0
WBA Light middleweight (154) – (3) Jan 17, 1976 South Korea Yuh Jae-Doo KO 15/15 0
11 Guts Ishimatsu[17] WBC Lightweight (140) Apr 11, 1974 Mexico Rodolfo Gato González TKO 8/15 4
12 Shoji Oguma[18] WBC Flyweight (112) Oct 1, 1974 Mexico Betulio González SD 15/15 0
WBC Flyweight (112) – (2) May 18, 1980 South Korea Park Chan-Hee KO 9/15 3
The Ring Flyweight (112) 3
13 Susumu Hanagata[19] WBA Flyweight (112) Oct 18, 1974 Thailand Chartchai Chionoi TKO 6/15 0
14 Royal Kobayashi[20] WBC Super bantamweight (122) Oct 9, 1976 Panama Rigoberto Riasco TKO 8/15 0
15 Yoko Gushiken[21] WBA Light flyweight (108) Oct 10, 1976 Dominican Republic Juan Antonio Guzmán KO 7/15 13
16 Masashi Kudo[22] WBA Light middleweight (154) Aug 9, 1978 Nicaragua Eddie Gazo SD 15/15 3
The Ring Light middleweight (154) 3
17 Shigeo Nakajima[23] WBC Light flyweight (108) Jan 3, 1980 South Korea Kim Sung-Jun UD 15/15 0
18 Yasutsune Uehara[24] WBA Super featherweight (130) Aug 2, 1980 Puerto Rico Samuel Serrano KO 6/15 1
The Ring Super featherweight (130) 1
19 Tadashi Mihara[25] WBA Light middleweight (154) Nov 7, 1981 United States Rocky Frato MD 15/15 0
20 Katsuo Tokashiki[26] WBA Light flyweight (108) Dec 16, 1981 South Korea Kim Hwan Jin UD 15/15 5
21 Jiro Watanabe[27] WBA Super flyweight (115) Apr 8, 1982 Panama Rafael Pedroza UD 15/15 6
WBC Super flyweight (115) Dec 16, 1981 Thailand Payao Poontarat UD 12/12 4
22 Tadashi Tomori[28] WBC Light flyweight (108) Apr 13, 1982 Mexico Amado Ursúa UD 12/12 0
23 Kōji Kobayashi[29] WBC Flyweight (112) Jan 18, 1984 Philippines Frank Cedeno TKO 2/12 0
The Ring Flyweight (112) 0
24 Satoshi Shingaki[30] IBF Bantamweight (118) Apr 15, 1984 Philippines Elmer Magallano TKO 8/12 1
25 Tsuyoshi Hamada[31] WBC Light welterweight (140) Jul 24, 1986 Mexico René Arredondo KO 1/12 1
26 Takuya Muguruma[32] WBA Bantamweight (118) Mar 29, 1987 Panama Azael Moran KO 5/12 0
27 Hiroki Ioka[33] WBC Mini flyweight (105) Oct 18, 1987 Thailand Mai Thomburifarm UD 12/12 2
WBA Light flyweight (108) Dec 17, 1991 South Korea Yuh Myung-Woo SD 12/12 2
28 Hideyuki Ohashi[34] WBC Mini flyweight (105) Feb 7, 1990 South Korea Choi Jum-Hwan TKO 5/12 1
WBA Mini flyweight (105) Oct 14, 1992 South Korea Choi Hi-Yong UD 12/12 0
29 Leopard Tamakuma[35] WBA Flyweight (112) Jul 29, 1990 South Korea Lee Yul-Woo TKO 10/12 1
30 Kiyoshi Hatanaka[36] WBC Super bantamweight (122) Feb 3, 1991 Argentina Pedro Rubén Décima TKO 8/12 0
31 Joichiro Tatsuyoshi[37] WBC Bantamweight (118) Sep 19, 1991 United States Greg Richardson RTD 10/12 0
WBC Bantamweight (118) – (2) Nov 22, 1997 Thailand Sirimongkol Singwancha TKO 7/12 2
32 Katsuya Onizuka[38] WBA Super flyweight (115) Apr 10, 1992 Thailand Thanomsak Sithbaobay UD 12/12 5
33 Akinobu Hiranaka[39] WBA Light welterweight (140) Apr 10, 1992 Puerto Rico Edwin Rosario TKO 1/12 0
34 Yasuei Yakushiji[40] WBC Bantamweight (118) Dec 23, 1993 South Korea Byun Jung-Il SD 12/12 4
35 Hiroshi Kawashima[41] WBC Super flyweight (115) May 4, 1994 Mexico Jose Luis Bueno UD 12/12 4
36 Shinji Takehara[42] WBA Middleweight (160) Dec 19, 1995 Argentina Jorge Castro UD 12/12 0
37 Keiji Yamaguchi[43] WBA Light flyweight (108) May 21, 1996 Panama Carlos Murillo SD 12/12 1
38 Satoshi Iida[44] WBA Super flyweight (115) Dec 23, 1997 Thailand Yokthai Sithoar UD 12/12 2
39 Takanori Hatakeyama[45] WBA Super featherweight (130) Sep 5, 1998 South Korea Choi Yong-Soo UD 12/12 1
WBA Lightweight (135) Jun 11, 2000 Venezuela Gilberto Serrano TKO 8/12 2
40 Hideki Todaka[46] WBA Super flyweight (115) Mar 18, 1999 Venezuela Jesus Kiki Rojas UD 12/12 2
41 Keitaro Hoshino[47] WBA Mini flyweight (105) Dec 6, 2000 Philippines Joma Gamboa UD 12/12 0
WBA Mini flyweight (105) – (2) Jan 29, 2002 Philippines Joma Gamboa UD 12/12 0
42 Celes Kobayashi[48] WBA Super flyweight (115) Mar 11, 2001 Venezuela Leo Gámez TKO 10/12 1
43 Yutaka Niida[49] WBA Mini flyweight (105) Aug 25, 2001 Thailand Chana Porpaoin UD 12/12 0
WBA Mini flyweight (105) – (2) Jul 3, 2004 Venezuela Noel Arambulet UD 12/12 7
44 Osamu Sato[50] WBA Super bantamweight (122) May 18, 2002 Thailand Yoddamrong Sithyodthong KO 8/12 0
45 Katsushige Kawashima[51] WBC Super flyweight (115) Jun 28, 2004 South Korea Masamori Tokuyama KO 1/12 2
45 Katsunari Takayama[52] WBC Mini flyweight (105) Apr 4, 2005 Mexico Isaac Bustos UD 12/12 0
IBF Mini flyweight (105) Mar 30, 2013 Mexico Mario Rodríguez UD 12/12 2
IBF Mini flyweight (105) – (2) Dec 31, 2014 Japan Go Odaira TKO 7/12 2
WBO Mini flyweight (105) 0
WBO Mini flyweight (105) – (2) Aug 20, 2016 Japan Riku Kano TD 6/12 0
46 Hozumi Hasegawa[53] WBC Bantamweight (118) Apr 16, 2005 Thailand Veeraphol Sahaprom UD 12/12 10
WBC Featherweight (126) Nov 26, 2010 Mexico Juan Carlos Burgos UD 12/12 0
WBC Super bantamweight (122) Sep 16, 2016 Mexico Hugo Ruiz RTD 9/12 0
47 Takashi Koshimoto[54] WBC Featherweight (126) Jan 29, 2006 South Korea Chi In-Jin UD 12/12 4
48 Nobuo Nashiro[55] WBA Super flyweight (115) Jul 22, 2006 Mexico Martín Castillo TKO 10/12 1
49 Koki Kameda[56] WBA Light flyweight (108) Aug 2, 2006 Venezuela Juan Jose Landaeta SD 12/12 1
WBC Flyweight (112) Nov 29, 2009 Japan Daisuke Naito UD 12/12 0
50 Takefumi Sakata[57] WBA Flyweight (112) Mar 19, 2007 Venezuela Lorenzo Parra TKO 3/12 4
51 Daisuke Naito[58] WBC Flyweight (112) Jul 18, 2007 Thailand Pongsaklek Wonjongkam UD 12/12 5
52 Toshiaki Nishioka[59] WBC Super bantamweight (122) Jan 3, 2009 Mexico Genaro García TKO 12/12 5
53 Takahiro Ao[60] WBC Featherweight (126) Mar 12, 2009 Mexico Óscar Larios UD 12/12 0
WBC Super featherweight (130) Nov 26, 2010 Germany Vitali Tajbert UD 12/12 3
54 Takashi Uchiyama[61] WBA (Regular‡) Super featherweight (130) later promoted to Super. Regular‡
Jan 11, 2010 		Mexico Juan Carlos Salgado TKO 12/12 Regular‡
9
Super
Feb 15, 2015 		Promoted Super
2
55 Daiki Kameda[62] WBA Flyweight (112) Feb 7, 2010 Thailand Denkaosan Kaovichit UD 12/12 3
IBF Super flyweight (115) Sep 3, 2013 Mexico Rodrigo Guerrero UD 12/12 0
56 Akifumi Shimoda[63] WBA (Regular‡) Super bantamweight (122) Jan 31, 2011 North Korea Ryol Li Lee UD 12/12 0
57 Kazuto Ioka[64] WBC Mini flyweight (105) Feb 11, 2011 Thailand Oleydong Sithsamerchai TKO 5/12 3
WBA Mini flyweight (105) Jun 20, 2012 Japan Akira Yaegashi UD 12/12 0
WBA (Regular‡) Light flyweight (108) Regular
Dec 31, 2012 		Mexico José Alfredo Rodríguez TKO 6/12 Regular
3
Regular‡
Jan 14, 2014 		Primary champion vacant Regular‡
0
WBA (Regular‡) Flyweight (112) Regular
Apr 22, 2015 		Argentina Juan Carlos Reveco MD 12/12 Regular
3
Regular‡
Sep 14, 2016 		Primary champion vacant Regular‡
2
WBO Super flyweight (115) Jun 19, 2019 Philippines Aston Palicte TKO 10/12 3
58 Tomonobu Shimizu[65] WBA (Regular‡) Super flyweight (115) Aug 31, 2011 Mexico Hugo Cázares SD 12/12 0
59 Akira Yaegashi[66] WBA Mini flyweight (105) Oct 24, 2011 Thailand Pornsawan Porpramook TKO 10/12 1
WBC Flyweight (112) Apr 8, 2013 Japan Toshiyuki Igarashi UD 12/12 3
The Ring Flyweight (112) 3
IBF Light flyweight (108) Dec 29, 2015 Mexico Javier Mendoza UD 12/12 2
60 Shinsuke Yamanaka[67] WBC Bantamweight (118) Nov 6, 2011 Mexico Christian Esquivel TKO 11/12 12
61 Yota Sato[68] WBC Super flyweight (115) Mar 27, 2012 Thailand Suriyan Sor Rungvisai UD 12/12 2
62 Toshiyuki Igarashi[69] WBC Super flyweight (115) Jul 16, 2012 Philippines Sonny Boy Jaro SD 12/12 1
The Ring Super flyweight 1
63 Kohei Kono[70] WBA (Regular‡) Super flyweight (115) Dec 31, 2012 Thailand Tepparith Singwancha TKO 4/12 0
WBA (Regular‡) Super flyweight (115) – (2) Mar 26, 2014 Thailand Denkaosan Kaovichit KO 8/12 3
64 Ryo Miyazaki[71] WBA Mini flyweight (105) Dec 31, 2012 Thailand Pornsawan Porpramook SD 12/12 2
65 Takashi Miura[72] WBC Super featherweight (130) Apr 8, 2013 Mexico Gamaliel Díaz TKO 9/12 4
66 Tomoki Kameda[73] WBO Bantamweight (118) Aug 1, 2013 Namibia Paulus Ambunda UD 12/12 3
67 Naoya Inoue[74] WBC Light flyweight (108) Apr 6, 2014 Mexico Adrián Hernández TKO 6/12 1
WBO Super flyweight (115) Dec 12, 2014 Argentina Omar Narváez KO 2/12 7
IBF Bantamweight (118) May 18, 2019 Puerto Rico Emmanuel Rodríguez TKO 2/12 4
The Ring Bantamweight (118) 4
WBA (Super) Bantamweight (118) Nov 7, 2019 Philippines Nonito Donaire UD 12/12 3
68 Ryoichi Taguchi[75] WBA (Regular‡) Light flyweight (108)
later declared to Unified champion after winning against IBF champion Milan Melindo. 		Regular‡
Dec 31, 2014 		Peru Alberto Rossel UD 12/12 Regular‡
7
Unified
Dec 31, 2017 		Philippines Milan Melindo UD 12/12 Unified
0
IBF Light flyweight (108) Dec 21, 2017 Philippines Milan Melindo UD 12/12 0
The Ring Light flyweight (108) 0
69 Kosei Tanaka[76] WBO Mini flyweight (105) May 30, 2015 Mexico Julian Yedras[77] UD 12/12 1
WBO Light flyweight (108) Dec 31, 2016 Mexico Moisés Fuentes TKO 5/12 2
WBO Flyweight (112) Sep 24, 2018 Japan Sho Kimura MD 12/12 3
70 Yu Kimura[78] WBC Light flyweight (115) Nov 28, 2015 Mexico Pedro Guevara SD 12/12 0
71 Yukinori Oguni[79] IBF Super bantamweight (122) Dec 31, 2016 Dominican Republic Jonathan Guzmán UD 12/12 0
72 Tatsuya Fukuhara[80] WBO Mini flyweight (105) Feb 26, 2017 Mexico Moises Calleros SD 12/12 0
73 Shun Kubo[81] WBA (Regular‡) Super bantamweight (122) Apr 9, 2017 Venezuela Nehomar Cermeño RTD 12/12 0
74 Daigo Higa[82] WBC Flyweight (112) May 20, 2017 Mexico Juan Hernández TKO 6/12 2
75 Ken Shiro[83] WBC Light flyweight (108) May 20, 2017 Mexico Ganigan López MD 12/12 8
76 Hiroto Kyoguchi[84] IBF Mini flyweight (105) Jul 23, 2017 Mexico Jose Argumedo UD 12/12 2
WBA (Super) Light flyweight (108) Dec 21, 2018 South Africa Hekkie Budler TKO 10/12 2
The Ring Light flyweight (108) 2
77 Sho Kimura[85] WBO Flyweight (112) Jul 28, 2017 China Zhou Shiming TKO 11/12 2
78 Ryuya Yamanaka[86] WBO Mini flyweight (105) Aug 27, 2017 Japan Tatsuya Fukuhara UD 12/12 1
79 Ryosuke Iwasa[87] IBF Super bantamweight (122) Sep 13, 2017 Japan Yukinori Oguni TKO 6/12 1
80 Masayuki Ito[88] WBO Super featherweight (130) Jul 28, 2018 Puerto Rico Christopher Díaz UD 12/12 1
81 Junto Nakatani[89] WBO Flyweight (112) Nov 6, 2020 Philippines Giemel Magramo TKO 8/12 1
82 Ryōta Murata[90] WBA (Regular‡) Middleweight (160) later promoted to Super. Regular‡
Jan 1, 2021 		Primary champion vacant Regular‡
0
Super
Jan 6, 2021 		Promoted Super
0
83 Masamichi Yabuki[91] WBC Light flyweight (108) Sep 22, 2021 Japan Ken Shiro TKO 10/12 0
84 Kenichi Ogawa[92] IBF Super featherweight (130) Nov 27, 2021 South Africa Azinga Fuzile UD 12/12 0
85 Masataka Taniguchi[93] WBO Mini flyweight (105) Dec 14, 2021 Puerto Rico Wilfredo Méndez TKO 11/12 0

Note[]

List of WBA secondary champions[]

No. Name Titles Reign period Opponent Result Defenses Primary champion/s during reign
1 Yusuke Kobori[94] WBA (Regular) Lightweight (135) May 19, 2008 – Jan 3, 2009 Nicaragua José Alfaro TKO 3/12 0 United States Nate Campbell
Mar 8, 2008 – Jan 10, 2009
2 Nobuo Nashiro[55] WBA (Regular) Super flyweight (115) Sep 15, 2008 – May 8, 2010 Mexico Martín Castillo TKO 10/12 1 Mexico Cristian Mijares
May 17, 2008 – Nov 1, 2008
Armenia Vic Darchinyan
Nov 1, 2008 – Oct 15, 2010
3 Koki Kameda[56] WBA (Regular) Bantamweight (118) Dec 26, 2010 – Dec 6, 2013 Venezuela Alexander Muñoz UD 12/12 8 Panama Anselmo Moreno
Nov 19, 2010 – Sep 26, 2014
4 Kazuto Ioka[64] WBA (Regular) Light flyweight (108) Dec 31, 2012 – Jan 14, 2014
Becomes primary champion due to vacancy of the title. 		Mexico José Alfredo Rodríguez TKO 6/12 0
Nicaragua Román González
Nov 30, 2012 – Jan 14, 2014
5 Kazuto Ioka (2) WBA (Regular) Flyweight (112) Apr 22, 2015 – Sep 14, 2016
Becomes primary champion due to vacancy of the title. 		Argentina Juan Carlos Reveco MD 12/12 3
Mexico Juan Estrada
Apr 6, 2013 – Sep 14, 2016
6 Ryōta Murata[90] WBA (Regular) Middleweight (160) Oct 22, 2017 – Oct 20, 2018 Cameroon Hassan N'Dam N'Jikam RTD 7/12 1 Kazakhstan Gennady Golovkin
Jun 3, 2014 – Sep 15, 2018
Mexico Canelo Alvarez
Sep 15, 2018 – Jan 1, 2021
7 Naoya Inoue[74] WBA (Regular) Bantamweight (118) May 25, 2018 – May 18, 2019
Status changed to Unified champion after winning against IBF champion Emmanuel Rodríguez. 		United Kingdom Jamie McDonnell TKO 1/12 1 United Kingdom Ryan Burnett
Oct 21, 2017 – Nov 3, 2018
WBA (Unified) Bantamweight (118) May 18, 2019 – Nov 7, 2019
Became Super after winning against Super champion Nonito Donaire. 		Puerto Rico Emmanuel Rodríguez TKO 2/12 0 Philippines Nonito Donaire
Nov 3, 2018 – Nov 7, 2019
8 Ryōta Murata (2) WBA (Regular) Middleweight (160) Jul 12, 2019 – Jan 1, 2021
Becomes primary champion due to vacancy of the title. 		United States Rob Brant TKO 2/12 1 Mexico Canelo Alvarez
Sep 15, 2018 – Jan 1, 2021

List of women's professional boxing world champions[]

The following is a list of female Japanese boxing champions who have held titles from one or more of the "Big Four" organizations (WBA, WBC, IBF, WBO) and The Ring.

Current world champion
No. Name Titles Date Opponent Result Defenses
1 Nanako Kikuchi WBC Mini flyweight (105) Nov 7, 2005 Thailand Nongmai Sor Siriporn TKO 7/10 1
2 Naomi Togashi WBC Light flyweight (108) Jul 13, 2008 South Korea Kim Jin UD 10/10 7
3 Momo Koseki WBC Atomweight (102) Aug 11, 2008 Thailand Winyu Paradorn Gym UD 10/10 16
WBA Atomweight (102) Oct 22, 2015 Japan Ayaka Miyao UD 10/10 0
WBC Mini flyweight (105) Dec 17, 2017 Japan Yuko Kuroki UD 10/10 0
4 Tenkai Tsunami WBA Super flyweight (115) Feb 26, 2009 China Zhang Xi Yan SD 10/10 4
WBO Light flyweight (108) Mar 8, 2018 Japan Chaoz Minowa RTD 8/10 4
5 Etsuko Tada WBA Mini flyweight (105) Apr 11, 2009 South Korea Son Cho-Rong UD 10/10 9
IBF Mini flyweight (105) Dec 11, 2015 Mexico Kareli Lopez UD 10/10 0
WBO Mini flyweight (105) Dec 1, 2018 Japan Kayoko Ebata UD 10/10 0
WBO Mini flyweight (105) — (2) Dec 3, 2020 Japan Ayaka Miyai TKO 3/10 0
6 Naoko Fujioka WBC Mini flyweight (105) May 8, 2011 Mexico Anabel Ortiz RTD 8/10 2
WBA Super flyweight (115) Nov 13, 2013 Japan Naoko Yamaguchi UD 10/10 1
WBO Bantamweight (118) Oct 19, 2015 South Korea Hee Jung Yuh UD 10/10 1
WBA Flyweight (112) Mar 13, 2017 Mexico Isabel Millan TKO 10/10 3
WBO Light flyweight (108) Dec 1, 2017 Costa Rica Yokasta Valle UD 10/10 0
7 Mari Ando WBA Atomweight (102) Sep 22, 2011 Thailand Amara Naktaku UD 10/10 1
WBC Mini flyweight (105) Dec 14, 2013 Mexico Jasseth Noriega SD 10/10 0
8 Naoko Yamaguchi WBA Super flyweight (115) Jul 9, 2012 Japan Tenkai Tsunami UD 10/10 2
9 Ayaka Miyao WBA Atomweight (102) Sep 16, 2012 Japan Mari Ando UD 10/10 5
10 Shindo Go WBC Flyweight (112) May 19, 2013 Hungary Renáta Szebelédi UD 10/10 2
11 Naoko Shibata IBF Light flyweight (108) Nov 14, 2013 Mexico Alondra Garcia UD 10/10 5
12 Mako Yamada WBO Mini flyweight (105) Feb 9, 2014 South Korea Hong Su-Yun SD 10/10 0
13 Nao Ikeyama WBO Atomweight (102) May 17, 2014 Philippines Jessebelle Pagaduan UD 10/10 6
14 Yuko Kuroki WBC Mini flyweight (105) May 17, 2014 Japan Mari Ando UD 10/10 5
15 Kumiko Seeser Ikehara WBO Mini flyweight (105) Sep 20, 2014 Japan Gretchen Abaniel SD 10/10 4
16 Yunoka Furukawa WBA Atomweight (102) Aug 13, 2016 Japan Satomi Nishimura TKO 3/10 1
17 Nana Yoshikawa WBO Flyweight (112) Oct 9, 2016 South Korea Lee Eun Hye MD 10/10 0
18 Kayoko Ebata WBO Mini flyweight (105) May 19, 2017 Japan Erika Hanawa UD 10/10 1
19 Mika Iwakawa WBO Atomweight (102) Jul 29, 2018 Japan Nao Ikeyama SD 10/10 0
21 Saemi Hanagata IBF Atomweight (102) Sep 29, 2018 Japan Yuko Kuroki SD 10/10 1
22 Kasumi Saeki WBO Mini flyweight (105) Apr 27, 2019 MexicoElizabeth Lopez TKO 6/10 0
23 Miyo Yoshida WBO Super flyweight (115) Jun 19, 2019 United States Casey Morton UD 10/10 1

Current titleholders in world boxing sanctioning bodies[]

Major (WBA, WBC, IBF, WBO)[]

Men's World Champions[]

Name Organization Division Date won
Naoya Inoue WBA (Super), IBF, and The Ring Bantamweight June 25, 2018
Hiroto Kyoguchi WBA (Super) and The Ring Light flyweight December 31, 2018
Kazuto Ioka WBO Super flyweight June 19, 2019
Junto Nakatani WBO Flyweight November 6, 2020
Ryota Murata WBA (Super) Middleweight January 1, 2021
Masamichi Yabuki WBC Light flyweight September 22, 2021
Kenichi Ogawa IBF Super featherweight November 27, 2021
Masataka Taniguchi WBO Mini flyweight December 14, 2021

Women's World Champions[]

Name Organization Division Date won
Naoko Fujioka WBA Flyweight March 13, 2017
Mika Iwakawa WBO Atomweight July 29, 2018
Saemi Hanagata IBF Atomweight September 29, 2018
Miyo Yoshida WBO Super flyweight June 19, 2019
Etsuko Tada WBO Mini flyweight December 3, 2020

See also[]

References[]

  1. ^ "World champion archives" (in Japanese). Japan Pro Boxing Association. 2012. Retrieved March 9, 2013.
  2. ^ "World Champions By Nationality: Japanese World Champions". BoxRec.
  3. ^ "The Great Masahiko "Fighting" Harada". Bad Left Hook.
  4. ^ "Kuniaki Shibata: He Stopped Saldivar!". Boxingnews24.
  5. ^ "Boxing's Rising In The Land Of The Rising Sun: Japanese Prizefighters". Bleacherreport.
  6. ^ "World Champion Koichi Wajima". Cyber Boxing Zone.
  7. ^ Boxing record for Yoshio Shirai from BoxRec
  8. ^ Boxing record for Fighting Harada from BoxRec
  9. ^ Boxing record for Hiroyuki Ebihara from BoxRec
  10. ^ Boxing record for Takeshi Fuji from BoxRec
  11. ^ Boxing record for Yoshiaki Numata from BoxRec
  12. ^ Boxing record for Hiroshi Kobayashi from BoxRec
  13. ^ Boxing record for Shozo Saijo from BoxRec
  14. ^ Boxing record for Masao Ohba from BoxRec
  15. ^ Boxing record for Kuniaki Shibata from BoxRec
  16. ^ Boxing record for Koichi Wajima from BoxRec
  17. ^ Boxing record for Guts Ishimatsu from BoxRec
  18. ^ Boxing record for Shoji Oguma from BoxRec
  19. ^ Boxing record for Susumu Hanagata from BoxRec
  20. ^ Boxing record for Royal Kobayashi from BoxRec
  21. ^ Boxing record for Yoko Gushiken from BoxRec
  22. ^ Boxing record for Masashi Kudo from BoxRec
  23. ^ Boxing record for Shigeo Nakajima from BoxRec
  24. ^ Boxing record for Yasutsune Uehara from BoxRec
  25. ^ Boxing record for Tadashi Mihara from BoxRec
  26. ^ Boxing record for Katsuo Tokashiki from BoxRec
  27. ^ Boxing record for Jiro Watanabe from BoxRec
  28. ^ Boxing record for Tadashi Tomori from BoxRec
  29. ^ Boxing record for Koji Kobayashi from BoxRec
  30. ^ Boxing record for Satoshi Shingaki from BoxRec
  31. ^ Boxing record for Suyoshi Hamada from BoxRec
  32. ^ Boxing record for Takuya Muguruma from BoxRec
  33. ^ Boxing record for Hiroki Ioka from BoxRec
  34. ^ Boxing record for Hideyuki Ohashi from BoxRec
  35. ^ Boxing record for Leopard Tamakuma from BoxRec
  36. ^ Boxing record for Kiyoshi Hatanaka from BoxRec
  37. ^ Boxing record for Joichiro Tatsuyoshi from BoxRec
  38. ^ Boxing record for Katsuya Onizuka from BoxRec
  39. ^ Boxing record for Akinobu Hiranaka from BoxRec
  40. ^ Boxing record for Yasuei Yakushiji from BoxRec
  41. ^ Boxing record for Hiroshi Kawashima from BoxRec
  42. ^ Boxing record for Shinji Takehara from BoxRec
  43. ^ Boxing record for Keiji Yamaguchi from BoxRec
  44. ^ Boxing record for Satoshi Iida from BoxRec
  45. ^ Boxing record for Takanori Hatakeyama from BoxRec
  46. ^ Boxing record for Hideki Todaka from BoxRec
  47. ^ Boxing record for Keitaro Hoshino from BoxRec
  48. ^ Boxing record for Celes Kobayashi from BoxRec
  49. ^ Boxing record for Yutaka Niida from BoxRec
  50. ^ Boxing record for Osamu Sato from BoxRec
  51. ^ Boxing record for Katsushige Kawashima from BoxRec
  52. ^ Boxing record for Katsunari Takayama from BoxRec
  53. ^ Boxing record for Hozumi Hasegawa from BoxRec
  54. ^ Boxing record for Takashi Koshimoto from BoxRec
  55. ^ a b Boxing record for Nobuo Nashiro from BoxRec
  56. ^ a b Boxing record for Koki Kameda from BoxRec
  57. ^ Boxing record for Takefumi Sakata from BoxRec
  58. ^ Boxing record for Daisuke Naito from BoxRec
  59. ^ Boxing record for Toshiaki Nishioka from BoxRec
  60. ^ Boxing record for Takahiro Ao from BoxRec
  61. ^ Boxing record for Takashi Uchiyama from BoxRec
  62. ^ Boxing record for Daiki Kameda from BoxRec
  63. ^ Boxing record for Akifumi Shimoda from BoxRec
  64. ^ a b Boxing record for Kazuto Ioka from BoxRec
  65. ^ Boxing record for Tomonobu Shimizu from BoxRec
  66. ^ Boxing record for Akira Yaegashi from BoxRec
  67. ^ Boxing record for Shinsuke Yamanaka from BoxRec
  68. ^ Boxing record for Yota Sato from BoxRec
  69. ^ Boxing record for Toshiyuki Igarashi from BoxRec
  70. ^ Boxing record for Kohei Kono from BoxRec
  71. ^ Boxing record for Ryo Miyazaki from BoxRec
  72. ^ Boxing record for Takashi Miura from BoxRec
  73. ^ Boxing record for Tomoki Kameda from BoxRec
  74. ^ a b Boxing record for Naoya Inoue from BoxRec
  75. ^ Boxing record for Ryoichi Taguchi from BoxRec
  76. ^ Boxing record for Kosei Tanaka from BoxRec
  77. ^ JAKE DONOVAN (30 May 2015). "Tanaka Decisions Yedras, Claims Belt in 5th Pro Fight". Boxingscene. Retrieved 3 July 2021.
  78. ^ Boxing record for Yu Kimura from BoxRec
  79. ^ Boxing record for Yukinori Oguni from BoxRec
  80. ^ Boxing record for Tatsuya Fukuhara from BoxRec
  81. ^ Boxing record for Shun Kubo from BoxRec
  82. ^ Boxing record for Daigo Higa from BoxRec
  83. ^ Boxing record for Ken Shiro from BoxRec
  84. ^ Boxing record for Hiroto Kyoguchi from BoxRec
  85. ^ Boxing record for Sho Kimura from BoxRec
  86. ^ Boxing record for Ryuya Yamanaka from BoxRec
  87. ^ Boxing record for Ryosuke Iwasa from BoxRec
  88. ^ Boxing record for Masayuki Ito from BoxRec
  89. ^ Boxing record for Junto Nakatani from BoxRec
  90. ^ a b Boxing record for Ryōta Murata from BoxRec
  91. ^ Boxing record for Masamichi Yabuki from BoxRec
  92. ^ Boxing record for Kenichi Ogawa from BoxRec
  93. ^ Boxing record for Masataka Taniguchi from BoxRec
  94. ^ Boxing record for Yusuke Kobori from BoxRec

External links[]

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