Nimura was born in Kyoto on May 2, 1943. After graduating from Waseda University, he joined Toyo Industries in 1966. The club won Japan Soccer League champions 4 times (1966, 1967, 1968, 1970) and Emperor's Cup 2 times (1967, 1969). This was the greatest era in the club history. He retired in 1976. He played 151 games and scored 16 goals in the league.