How many movies have Keiko Imamura and Tomoyuki Tanaka collaborated on?

They have worked on 3 movies together! Their first movie together was Godzilla vs. Mothra (1992) while their highest rated movie together was Godzilla vs. Mechagodzilla II (1993). They have not worked together since Godzilla vs. SpaceGodzilla (1994). They are most known for their adventure films together.