 Shinma's other accomplishments included fitting Satoru Sayama with the Tiger Mask gimmick, discovering Akira Maeda, and forming the UWF in Japan after leaving New Japan.Shinma remained in UWF until disagreements arose with Sayama over the match content.His son Hisatsune Shinma was also a promoter, and co-founded Universal Lucha Libre with Gran Hamada, one of the original UWF members, but with the promotion focus on the Lucha libre style brought from Mexico.