Kosuke Takeuchi is a Japanese professional basketball player. He plays for the Utsunomiya Brex of the B.League. Takeuchi also is a member of the Japan national basketball team, playing for the team in the 2006 FIBA World Championship and both the FIBA Asia Championship 2007 and FIBA Asia Championship 2009.

Utsunomiya Brex is a Japanese professional basketball team based in Tochigi Prefecture, Japan. After winning the JBL 2 in 2008, the team played in the National Basketball League. Previous team names include: Tochigi Brex and Link Tochigi Brex.