How many movies have Nobumasa Shinkawa and Yasuteru Iwase collaborated on?

They have worked on 3 movies together! Their first movie together was Barefoot Gen (1983) while their highest rated movie together was Legend of the Galactic Heroes: My Conquest Is the Sea of Stars (1988). They have not worked together since Legend of the Galactic Heroes: My Conquest Is the Sea of Stars (1988). They are most known for their animation films together.