Ozawa was born inUtsunomiya on December 25, 1932. After graduating fromTokyo University of Education, he joinedToyo Industries in 1955. In 1962, he was selected Japanese Footballer of the Year awards. In 1965, Toyo Industries joined new leagueJapan Soccer League. He retired in 1967. He played 42 games and the club also won the championship for 3 years in a row (1965-1967) in the league.