How many movies have Akira Kamiya and Hidetoshi Namura collaborated on?

They have worked on 9 movies together! Their first movie together was Case Closed: The Fourteenth Target (1998) while their highest rated movie together was Detective Conan: The Phantom of Baker Street (2002). They have not worked together since Detective Conan: The Private Eyes' Requiem (2006). They are most known for their animation films together.