How many movies have Koichi Yamadera and Yuta Katayama collaborated on?

They have worked on 3 movies together! Their first movie together was Pokémon the Movie: The Power of Us (2018) while their highest rated movie together was Pokémon the Movie: Secrets of the Jungle (2020). They have not worked together since Pokémon the Movie: Secrets of the Jungle (2020). They are most known for their animation films together.