How many movies have Hideki Kakinuma and Katsuhito Akiyama collaborated on?

They have worked on 5 movies together! Their first movie together was Gall Force 2: Destruction (1987) while their highest rated movie together was Gall Force: Earth Chapter (1989). They have not worked together since Armitage: Dual Matrix (2002). They are most known for their science fiction films together.