大阪商業大学
Komata was born in Niigata Prefecture on July 15, 1964. After graduating from Osaka University of Commerce, he joined Yamaha Motors (later "Júbilo Iwata") in 1987. He played as regular player as defensive midfielder from first season and the club won the champions 1987–88. However his opportunity to play decreased in 1990s. In 1996, he moved to his local club Albireo Niigata (later "Albirex Niigata") in Regional Leagues. The club was promoted to Japan Football League from 1998 and he retired end of 1998 season.