How many movies have Kazuo Kato and Shotaro Ishinomori collaborated on?

They have worked on 11 movies together! Their first movie together was GoGo Sentai Boukenger vs. Super Sentai (2007) while their highest rated movie together was Kamen Rider Den-O & Kiva: Climax Deka (2008). They have not worked together since Kaizoku Sentai: Ten Gokaiger (2021). They are most known for their science fiction films together.