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
Lightweight Title [61.23kg] (as of 2021-12-05)
* Bolded letters in the competitor's name indicate the surname/family name.
Kajita Yoshito
2013-04-01
Has won the vacant MAJKF title, defeating Tanaka Hidekazu on 10-10-10 in Tōkyō; recognzied as the first INNOVATION champion when 27 gyms leave MAJKF and found the new organization.
Hashimoto Satoru
2013-12-23
Tōkyō
Raiden Hiroaki
2014-12-13
Tōkyō
Yamaguchi Yūma
2017-02
Interim champion since defeating Hashimoto Satoru on 15-12-12 in Tōkyō; status promoted when Raiden vacates the title due to injury; vacant in 17.
Shōta Seanchai-gym
2017-12-17
Tōkyō
Defeats Sakurai Ken for the vacant title; vacant on 19-12-01 upon retirement.
