JKF Renbukai organization established the All Japan Karatedo Federation (JKF) and made Shūdōkan its overall headquarters. The JKF appointed Choko Sai as chairman, Yasuhiro Konishi (Shindo Jinen-ryu) and Hiroshi Kinjo (Kanbukan) as vice-chairmen, Kanken Toyama and Hiroyasu Tamae (Otou-ryu) as Shihan, and Hironori Otsuka (Wado-ryu), Tatsuo Yamada (Nippon Kenpo Karate), Shinkin Gima (Shotokan-ryu), Isamu Tamotsu (Shorinji-ryu) and Tsuyoshi Chitose (Chito-ryu) as officers of JKF. In 1964, JKF made a new united league of the non-contact karate world with JKA (Shotokan), Wado-ryu , Goju-ryu and Shito-ryu. Old JKF handed over the name of JKF (Japan Karate Federation) to the new league and changed
Ryu Seung-min Ma Lin and Wang Hao, Ryu never uses the backside of his blade – in fact, he does not even have rubber on it. Ryu relies on his outstanding footwork, explosive forehand loops and drives to win points. For some time he used Xiom (South Korea) table paddles and rubbers playing with his signature model "Ryu Seung Min Special" penhold and has been using ProZRSM ever since his victory at the 2004 Summer Olympics. Lately he switched again to Butterfly (Japan) equipment and now he uses their Ryu Seung-min G-Max blade with Tenergy 05. As of December 1, 2012 he