How many movies have Kenpachirō Satsuma and Koichi Kawakita collaborated on?

They have worked on 6 movies together! Their first movie together was Godzilla vs. Biollante (1989) while their highest rated movie together was Godzilla vs. Destoroyah (1995). They have not worked together since Godzilla vs. Destoroyah (1995). They are most known for their action films together.