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.
Martial Arts Japan Kickboxing Federation
Japan
Lightweight Title [62kg/136.7lb]
(as of 2019-12-14)
* Bolded letters in the competitor's name indicate the surname/family name.
Nagahama Isamu
1985-01-06
Tōkyō
Defeats Tiger Okauchi to be recognized by the JKF; recognized as MAJKF Title from 85-11.
Kai Eiji
1986-01-02
Tōkyō
Saitō Kyōji
1986-11-24
Tōkyō
Vacant in 86 when Saitō jumps to AJKF where he is recognized as the champion.
Koshikawa Yutaka
1987-07-19
Tōkyō
Defeats Suda Yasunori.
Asuka Shin'ya
1988-01-15
Tōkyō
Koshikawa Yutaka [2]
1988-09-24
Tōkyō
Vacates in 91(?) upon retirement.
Asuka Shin'ya [2]
1991-12-15
Tōkyō
Defeats Sugawara Tadayuki; still champion as of 92-11.
Niizuma Satoshi
1994-07-16
Defeats Hammer Matsui for the vacant title.
Yamazaki Michiaki
1996-06-02
Satō Ken'ichi
1997-03-29
Vacates in 98 to move up to the super lightweight division.
Mutō Takayuki
1998-06-26
Tōkyō
Defeats Inoue Tetsu; vacates in 99(?).
Snake Kato (Katō Masaaki)
1999-06-18
Tōkyō
Defeats Inoue Tetsu for the vacant title; vacates in 99-09.
Inoue Tetsu
2000-07-20
Tōkyō
Defeats Yuto Nakamura; vacates on 01-05-20 after losing to All Japan champion Kanazawa Hisayuki in non-title match.
Kimura Mitsuru
2002-09-28
Tōkyō
Defeats Mizumachi Hiroshi; vacates in 07.
Yamamoto Yūki
2007-12-02
Tōkyō
Interim champion since defeating Knuckle Yūji on 07-08-12 in Tōkyō; defeats Kōno Takehiro on 07-12-02.
Kōno Takehiro
2008-03-14
Tōkyō
Vacates in 09 to move up to the super lightweight division.
Kajita Yoshito
2010-10-10
Tōkyō
Defeats Tanaka Hidekazu for the vacant title; vacant on 13-04-01 when Kajita is recognized as the first champion by the newly formed Japan Kickboxing Innovation