How many movies have Kinichi Ishikawa and Maya Matsuyama collaborated on?

They have worked on 2 movies together! Their first movie together was Super Mario Brothers: Great Mission to Rescue Princess Peach (1986) while their highest rated movie together was The Tale of Osamu Tezuka: I'm Son-Goku (1989). They have not worked together since The Tale of Osamu Tezuka: I'm Son-Goku (1989).