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 the black outline reveres the "master level" belt attainable by Kyushin Ryu practitioners. The "shōguns" were regarded amongst the highest levels of Japanese society during their time, and was reflected in the choice of a star as the prominent feature of the badge. Kyushin Ryu During the Edo period (1603–1868) several Jujutsu styles became paramount. These schools (or ryu 流) focused their activities on various techniques that their masters had developed over time. The Kyushin Ryu school specialised in systems of Atemi waza (striking techniques). The art was practiced by many "shōguns" with the aim of refining methods of attacking