How many movies have Masaaki Iwane and Satoshi Tajiri collaborated on?

They have worked on 7 movies together! Their first movie together was Pokémon: The First Movie (1998) 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 fantasy films together.