Undisputed Junior Middleweight Champion of the World from Hokkaido. He won WBA and WBC titles.
He worked as a truck driver in Tokyo after graduating from middle school.
He appeared on various game shows and TV dramas after retirement, a path taken by many Japanese ex-boxers.
His brother-in-law became owner of a dumpling store in Tokyo.
He and Spanish fighter Javier Castillejo have both been WBA Middleweight Champions.