泉川 寛喜
Seiichi Akamine helped him to spread Goju-Ryu and Seiko Higa tradition in mainland Japan, travel to South-America to spread Karate-do and founded the Ken-Shin-Kan school. Takashi Tanigawa (Koshukan) also studied directly with Izumigawa at the Senbukan Dojo in Kawasaki.
Higa had studied under Kanryo Higashionna (of Naha-Te) and trained with Chojun Miyagi (the founder of Goju-Ryu). Izumigawa was born in Okinawa to a samurai family and was the founder of the Senbukan Dojo, which had its headquarters in Kawasaki City and branches in Tokyo, Osaka, and Kanagawa Prefecture.
