How many movies have Hikaru Takanashi and Kappei Yamaguchi collaborated on?

They have worked on 5 movies together! Their first movie together was Plastic Little: The Adventures of Captain Tita (1994) while their highest rated movie together was Detective Conan: Dimensional Sniper (2014). They have not worked together since Case Closed: The Crimson Love Letter (2017). They are most known for their animation films together.