Yoshiharu Osaka (Osaka Yoshiharu; born 8 September 1947) is a Japanese instructor of Shotokan karate. He has won the JKA's version of the world championships for kata on four occasions. He has also won the JKA All-Japan championships for kata on six occasions and for kumite on two occasions.
Source: “Yoshiharu Osaka”, English Wikipedia (CC BY-SA 4.0), excerpt