How many movies have Satoshi Kato and Yuji Ohno collaborated on?

They have worked on 6 movies together! Their first movie together was One Million-Year Trip: Bander Book (1978) while their highest rated movie together was Lupin the Third: The Castle of Cagliostro (1979). They have not worked together since Lupin the Third: Green vs Red (2008). They are most known for their animation films together.