Johnny Defazzio 1 1967 Unknown
Belt was vacated by Johnny Defazzio in 1971 when he retired.
Carlos Jose Estrada 1 01/20/1978 Uniondale NY / Tournament Final
Tatsumi Fujinami 1 01/23/1978 New York NY / One Fall
Ryuma Go 1 10/02/1979 Osaka JP / One Fall
Tatsumi Fujinami 2 10/04/1979 Tokyo JP / One Fall
Belt was vacated by Tatsumi Fujinami when he decided to move to the heavyweight division.
Tiger Mask 1 01/01/1982 Tokyo JP / Tournament Final
Black Tiger 1 05/06/1982 Fukuoka JP / One Fall
Tiger Mask 2 05/26/1982 Osaka JP / One Fall
Belt was vacated on April 3rd 1983 when Tiger Mask was injured.
Tiger Mask 3 06/13/1983 Mexico City MX / One Fall
Belt was vacated on August 12th 1983 when Tiger Mask retired.
The Dynamite Kid 1 02/07/1984 Tokyo JP / Triple Threat
The Cobra 1 12/18/1984 New York NY / One Fall
Hiro Saito 1 05/28/1985 Hiroshima JP / One Fall
The Cobra 2 07/28/1985 Osaka JP / One Fall