How many movies have Kazuhiko Kato and Toshio Nakatani collaborated on?

They have worked on 13 movies together! Their first movie together was Lupin the Third: Farewell to Nostradamus (1995) while their highest rated movie together was Lupin the 3rd: The Elusiveness of the Fog (2007). They have not worked together since Lupin the Third vs. Detective Conan: The Movie (2013). They are most known for their animation films together.