How many movies have Koji Takeuchi and Yuichiro Yano collaborated on?

They have worked on 3 movies together! Their first movie together was Lupin the Third: The Fuma Conspiracy (1987) while their highest rated movie together was Little Nemo: Adventures in Slumberland (1989). They have not worked together since Lupin the Third: Farewell to Nostradamus (1995). They are most known for their adventure films together.