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 Hayabusa Ryu was included in the first version of the 2010 fan-made Flash game "Super Mario Bros. Crossover". In commemoration of the 2009 merger of Koei and Tecmo, Ryu, Ayane and Momiji were unplayable guest characters in Koei's "" released that year. In the company's 2011 hack and slash title "Warriors Orochi 3", Ryu, Ayane, Rachel, Momiji and Kasumi appear in another dimension and assist the game's playable characters. Ryu's "Ninja Gaiden" costume parts were available as exclusive downloads as part of the first-anniversary promotion campaign for "Dynasty Warriors Online". Ryu additionally appeared with Ayane in the April 2012 Japan-only release