|Hiro Saito||July 31, 1986||Tokyo, Japan||-a-|
|Kuniaki Kobayashi||November 23, 1986||Tokyo, Japan|
|Masanobu Fuchi||January 3, 1987||Tokyo, Japan|
|Joe Malenko||January 20, 1989||Fukuoka, Japan|
|Mighty Inoue||January 25, 1989||Osaka, Japan|
|Masanobu Fuchi ||March 3, 1989||Tokyo, Japan|
|Shinichi Nakano||April 16, 1989||Tokyo, Japan|
|Mitsuo Momota||April 20, 1989||Osaka, Japan|
|Joe Malenko ||July 1, 1989||Ohimiya, Japan|
|Masanobu Fuchi ||October 20, 1989||Nagoya, Japan|
|Dan Kroffat||May 21, 1993||Sapporo, Japan|
|Masanobu Fuchi ||August 23, 1993||Shizuoka, Japan|
|Dan Kroffat ||July 12, 1994||Kagoshima, Japan|
|Yoshinari Ogawa||September 10, 1995||Tokyo, Japan|
|Masanobu Fuchi ||June 30, 1996||Tokyo, Japan|
|Tsuyoshi Kikucho||July 24, 1996||Tokyo, Japan|
|Yoshinari Ogawa ||January 15, 1997||Tokyo, Japan|
|Maunakea Mossman||August 22, 1997||Tokyo, Japan||-b-|
|Yoshinari Ogawa ||July 19, 1998||Niigata, Japan||-c-|
|Kendo Ka Shin||April 13, 2002||Tokyo, Japan||-d-|
|Kaz Hayashi||February 22, 2004||Tokyo, Japan||-e-|
|Taka Michinoku||January 10, 2005||Tokyo, Japan|
|Shuji Kondo||October 22, 2005||Tokyo, Japan|
|Katsuhiko Nakajima||February 17, 2007||Tokyo, Japan||-f-|
|Silver King||March 1, 2008||Tokyo, Japan|
|Ryuiji Hiijikata||April 29, 2008||Nagoya, Japan|
|Naomuchi Marufuji||September 28, 2008||Yokohama, Japan|
-a- Defeats Brad Armstrong in a tournament final to become first champion.
-b- Vacates title on June 12, 1998 when Mossman moves up to heavyweight division.
-c- Defeats Satoru Asako in a tournament final to win vacant belt. Vacates title in June 200 when Ogawa left the promotion.
-d- Defeats Masanobu Fuchi for the vacant title. Stripped of the belt on February 12, 2004 after no-showing a card.
-e- Defeats Taka Michinoku to win the vacant belt.
-f- Vacates title on October 18, 2007 after a no contest defense against Silver King.