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.
Shoot Boxing
Japanese Super Bantamweight Title [55kg] (as of 2023-06-25)
* "Owlweight" until 2011-11.
* Bolded letters in the competitor's name indicate the surname/family name.
Katori Nobukazu
1988-07-09
Tōkyō
Defeats Sanada Katsushi to become the first owlweight champion.
Katori Yoshikazu
Ōike Ryūji
Wakabayashi Shigeyuki
Suzuki Yoshinori
Moriya Yoshihiro
2001-04-15
Nagoya
Defeats Miyaji Atsushi for the vacant title; division renamed the super bantamweight title in 01-11; retires on 06-09-23.
Phantom Shin-ya
2008-02-03
Tōkyō
Defeats Sakimura Akito; title defense against Enari Noriyuki in 08-05 is cancelled due to Shin-ya's injury; Enari defeats Sakimura to become interim champion on 08-09-12; Shin-ya defeats Enari in unification match on 09-09-04.
