How many movies have Junichi Masuda and Shin-ichiro Miki collaborated on?

They have worked on 15 movies together! Their first movie together was Pokémon: Lucario and the Mystery of Mew (2005) 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.