How many movies have Kenji Kawai and Yoshiko Sakakibara collaborated on?

They have worked on 8 movies together! Their first movie together was Patlabor: The Movie (1989) while their highest rated movie together was Ghost in the Shell 2.0 (2008). They have not worked together since The Next Generation Patlabor: Tokyo War (2015). They are most known for their animation films together.