
Quick answer — Junichi Masuda worked on Pokémon: Lucario and the Mystery of Mew (Original Plan), Pokémon: Destiny Deoxys (Original Plan), Pokémon: Giratina and the Sky Warrior (Original Plan) and 3 more anime.
Junichi Masuda worked on Pokémon: Lucario and the Mystery of Mew (Original Plan), Pokémon: Destiny Deoxys (Original Plan), Pokémon: Giratina and the Sky Warrior (Original Plan), Pokémon: Jirachi Wish Maker (Original Plan), Pokémon Ranger and the Temple of the Sea (Original Plan), Pokémon the Movie: Black—Victini and Reshiram (Original Plan).