How many movies have Hiroshi Masuoka and Kiyomi Masuda collaborated on?

They have worked on 3 movies together! Their first movie together was Go! Anpanman: Nosshi the Dinosaur's Big Adventure (1993) while their highest rated movie together was Go! Anpanman: The Flying Picture Book and the Glass Shoes (1996). They have not worked together since Go! Anpanman: The Pyramid of the Rainbow (1997). They are most known for their family films together.