How many movies have Toshihiko Kojima and Yutaka Izubuchi collaborated on?

They have worked on 3 movies together! Their first movie together was Patlabor: The Movie (1989) while their highest rated movie together was Patlabor 2: The Movie (1993). They have not worked together since WXIII: Patlabor The Movie 3 (2002). They are most known for their animation films together.