How many movies have Shigeru Kato and Tomohiro Hirata collaborated on?

They have worked on 3 movies together! Their first movie together was Dirty Pair: Project Eden (1986) while their highest rated movie together was Dirty Pair: Flight 005 Conspiracy (1990). They have not worked together since Dirty Pair: Flight 005 Conspiracy (1990). They are most known for their science fiction films together.