Career
He plays for the Aisin Seahorses of the JBL Super League. He played for the team in the 2006 International Basketball Federation World Championship and the International Basketball Federation Asia Championship 2007 and International Basketball Federation Asia Championship 2009. Kashiwagi currently plays professionally with the Aisin Seahorses of the JBL Super League.
In the current 2009-2010 season, Kashiwagi entered the month-long winter break averaging 13.7 points and 3.5 assists per game for the Seahorses.
He was named to the West squad for the 2009-2010 JBL Super League All-Star game.