How many movies have Kenji Kawai and Mitsunori Murata 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 Eden of the East Movie I: The King of Eden (2009). They have not worked together since Eden of the East Movie II: Paradise Lost (2010). They are most known for their science fiction films together.