How many movies have Mahito Tsujimura and Masaki Sakamoto collaborated on?

They have worked on 3 movies together! Their first movie together was Lily C.A.T. (1987) while their highest rated movie together was Patlabor: The Movie (1989). They have not worked together since Nintama Rantaro the Movie: Ninjutsu Academy - All Hands on Deck! (2011). They are most known for their animation films together.