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 clan of Munhwa and service King Taejo rewarded Ryoo with estates and the title "helper in great victory" (대승공; 大丞公). Until recently, it was thought that the Cha clan (차; 車) shared the same lineage as the Munhwa Ryoo clan. However, historians have proven that this was in fact an error. There are around 300,000 individuals in the clan.The clan is further divided into many smaller branches that were founded by people of Korean historical significance. The progenitor of Munwha Ryu clan Ryu Cha Dal on the sport light in North Korea Historical Novel on Ryu Cha Dal Published, (North) Korean Central News