He holds the rank of 9th dan in karate , is a direct student of Masatoshi Nakayama ( 1913 -- 1987 ) .
Was a senior instructor in the Japan Karate Association .
He holds the rank of 9th dan in karate , is a direct student of Masatoshi Nakayama ( 1913 -- 1987 ) , and was a senior instructor in the Japan Karate Association .