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
Ryu clan of Munhwa century B.C.-middle 7th century A.D.), had been merged into Koryo. Through the life of Ryu Cha Dal, the novel implants in the minds of readers the truth that anyone can be remembered by the history if he or she made sincere dedication to the unity of fellow countrymen. The tomb of Ryu Cha Dal and Sindo Monument were registered as state preservation relics Nos. 1777 and 1778, thanks to the culture conservation policy of the DPRK and excellently remodeled in August 2013. Source; https://kcnawatch.co/newstream/1535721460-912419132/historical-novel-published/ Ryu clan of Munhwa The Munhwa Ryu (or spelled Munhwa Yu) of Korea (Korean: 문화 류씨)