How many movies have Kenichi Ogata and Koji Kataoka collaborated on?

They have worked on 4 movies together! Their first movie together was Tenchi Forever! (1999) while their highest rated movie together was Detective Conan: The Phantom of Baker Street (2002). They have not worked together since Detective Conan: Crossroad in the Ancient Capital (2003). They are most known for their animation films together.