Minowa was born in Kawasaki on June 2, 1976. After graduating from Sendai University, he joined J1 League club Júbilo Iwata in 1999. However he did not play in the match, he moved to his local club Kawasaki Frontale in September 2000. The club was relegated to J2 League end of 2000 season. From 2001, although the club in J2 League, he became a regular player as defender. The club won the champions in 2004 and was promoted to J1 League. The club won the 2nd place in the 2006 J1 League and 2007 J.League Cup. In 2008, he lost his opportunity to play for injury and moved to Consadole Sapporo in June. The club was relegated to J2 League end of 2008 season. From 2009, he could not play for injury and he left the club end of 2010 season. He announced his retirement in September 2011.