How many movies have Ryô Hayami and Shotaro Ishinomori collaborated on?

They have worked on 2 movies together! Their first movie together was All Together! Seven Kamen Riders!! (1976) while their highest rated movie together was Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai (2014). They have not worked together since Heisei Rider vs. Showa Rider: Kamen Rider Wars feat. Super Sentai (2014).