How many movies have Ken Ootsuka and Tatsufumi Itoh collaborated on?

They have worked on 3 movies together! Their first movie together was Digimon Adventure 02: Hurricane Touchdown! The Golden Digimentals (2000) while their highest rated movie together was Cowboy Bebop: The Movie (2001). They have not worked together since Sakura Wars: The Movie (2001). They are most known for their science fiction films together.