How many movies have Yoshiko Sakakibara and Yoshio Mizumura collaborated on?

They have worked on 4 movies together! Their first movie together was Patlabor: The Movie (1989) while their highest rated movie together was Ghost in the Shell 2: Innocence (2004). They have not worked together since Detective Conan: Sunflowers of Inferno (2015). They are most known for their animation films together.