How many movies have Kenji Kamiyama and Yoko Kanno collaborated on?

They have worked on 4 movies together! Their first movie together was Jin-Roh: The Wolf Brigade (1999) while their highest rated movie together was Ghost in the Shell: Stand Alone Complex - The Laughing Man (2005). They have not worked together since Ghost in the Shell: Stand Alone Complex - Solid State Society (2006). They are most known for their science fiction films together.