How many movies have Raymond Chow and Toshishiro Obata collaborated on?

They have worked on 4 movies together! Their first movie together was China O'Brien (1990) while their highest rated movie together was Teenage Mutant Ninja Turtles (1990). They have not worked together since Teenage Mutant Ninja Turtles II: The Secret of the Ooze (1991). They are most known for their action films together.