How many movies have Inuko Inuyama and Tsunekazu Ishihara collaborated on?

They have worked on 11 movies together! Their first movie together was Pokémon: Mewtwo Returns (2001) while their highest rated movie together was Pokémon: Arceus and the Jewel of Life (2009). They have not worked together since Pokémon the Movie: I Choose You! (2017). They are most known for their adventure films together.