He entered the professional leagues in 1993 as the 3rd round draft pick of the Yomiuri Giants.

He marked a 5–1 record and 7 saves with a stunning 0.55 ERA in his 3rd year, but his pitching deteriorated afterwards.

He was a vital part of the relief staff in 1998, marking a 2.48 ERA in 49 appearances, but was inconsistent in the following years.

He began throwing from the sidearm in 2002 to fix his control problems, but was not signed for the next season.

He won a bronze medal in the 1992 Summer Olympics before entering the Japanese professional leagues.