How many movies have Hiroshi Naka and Takaaki Uchiyama collaborated on?

They have worked on 2 movies together! Their first movie together was City Hunter Special: The Death of Vicious Criminal Saeba Ryo (1999) while their highest rated movie together was Cowboy Bebop: The Movie (2001). They have not worked together since Cowboy Bebop: The Movie (2001).