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 Cha-dal Ryu Cha-dal Ryu Cha-dal (류차달) is the founder of the Korean Munhwa Ryu clan. He was born in 28 August year 880AD by the lunar calendar and was named the lord (호족) of Munwha as well as given the title De-seung-gong (대승공) and his sur name by King Taejo Wangon of the Goryeo dynasty (고려왕조) for his help in unifying the Korean Peninsula. His tomb is reportedly still being preserved in North Korea. The clan he founded is thriving to this day. Ryu Cha-dal only had one son who was called Ryu Hyo-geum (류효금) and one grandson who was called