Tetsuya Sogo (十河哲也)

1978-1982: Kenseikan (拳誠館) Karate 1981&1983: Summer Training Camp https://tetsuyasogo.blogspot.com/1981/08/1981-summer-training-camp-kenseikan.html?m=1 https://tetsuyasogo.blogspot.com/1983/08/1983-summer-training-camp-kenseikan.html?m=1

https://www.youtube.com/watch?v=iXOr1mZ64z4 1981 Shiho Wari

Demonstration of "Kenseikan (拳誠館) Karate"(1981)  https://tetsuyasogo.blogspot.com/2023/06/demonstration-of-kenseikan-karate1981.html?m=1