|Jun Akiyama||April 2004||-a-|
|Naomichi Marufuji||October 16, 2004||Tokushima, Japan|
|Mohammed Yone||March 5, 2005||Tokyo, Japan|
|Scorpio||October 22, 2005||Tokushima, Japan|
|Kentaro Shiga||September 3, 2006||Aichi, Japan|
|Kentaro Shiga and Kishi Kawabata||February 17, 2007||Tokyo, Japan||-b-|
|Kishin Kawabata||November 19, 2007||Niigata City, Japan||-c-|
|Makoto Hashi||October 6, 2008||Isesaki, Japan|
-a- Names himself champion.
-b- Title is re-classified as a tag team title. Kawabata and Shiga defeat Go Shiozaki and Shuhei Taniguchi in a tournament final to become the first tag champions.
-c- Defeates Kentaro Shiga to re-unify the titles. Re-classified as a singles title.