How many movies have Osamu Yoshioka and Yoshikatsu Kasai collaborated on?

They have worked on 3 movies together! Their first movie together was Horus: Prince of the Sun (1968) while their highest rated movie together was Teenage Mutant Ninja Turtles: The Epic Begins (1988). They have not worked together since Teenage Mutant Ninja Turtles: The Epic Begins (1988). They are most known for their animation films together.