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
Paul K. Ryu of the judiciary. Ryu graduated from the University of Tokyo in 1943 and received his P.h.D. from Yale Law School in 1958. On January 3, 1959 Ryu married Helen Silving at the home of New York University’s chancellor, George D. Stoddard. Silving and Ryu met while at Harvard University. Paul K. Ryu Paul K. Ryu (also known as Ryu Kichyun and Ki-chʻŏn Yu) was the ninth president of Seoul National University and the sixth dean of Seoul National University School of Law. Prior to his appointment as Seoul National University president, Ryu was Dean of the Office of Academic Affairs.