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.
Japan Kickboxing Innovation
Super Welterweight Title [69.85kg] (as of 2022-12-04)
* Bolded letters in the competitor's name indicate the surname/family name.
Hiroto
2013-04-01
Has won the MAJKF title, defeating Takeda Kazuya on 13-01-28 in Tōkyō; recognzied as the first INNOVATION champion when 27 gyms leave MAJKF and found the new organization.
Arthur Masato
2013-12-23
Tōkyō
Meriken Yūto
2014-12-13
Tōkyō
T-98
2016-04-29
Tōkyō
Interim champion since defeating Mike Joe on 15-12-12 in Tōkyō; defeats Yūto on 16-04-29 to become the undisputed champion; vacates in 20(or after winning WMC Japan National Title on 19-02-24?).
Yoshida Eiji
2021-01-17
Okayama
Defeats Kitamura Makoto; vacates in 22 due to health issues.