Kenkojuku student of Gichin Funakoshi. He was a member of Funakoshi's karate association the Dai Nihon Karate-do Shotokai. In 1942, Okano was given permission to start a karate research club named Kenkokai Karate-bu in his hometown of Hachiōji, Tokyo. The club was started with the help of Suzuki Shinjo, Kaneko Isamu and Takagi Yoshitomo. He renamed the dojo Kenkojuku Budokan in 1948. Okano's karate was influenced by both Gichin and Gigo Funakoshi, and eventually this branch of Shotokan became known as Kenkojuku Shotokan. He retained the Shotokai lineage as well as the name Shotokan. Okano was on the panel of Masters
Kyushin Ryu a quick result in their favour, without the extremely high levels of physical endurance required to apply other Jujutsu styles. The Kyushin Ryu Jujutsu emblem emanated from research conducted by Eguchi Shihan when, in the latter part of the 19th century, he endeavored to record many of the Jujutsu techniques practised within the Kyushin Ryu system. His study on the history of Kyushin Ryu focused on the formalisation and documentation of the school that took place during the Eiroku period (1558–1570), when five prominent Jujutsu schools pooled their knowledge to form the Kyushin Ryu system. Acknowledgement of the input from