How many movies have Kazunari Yamanaka and Koichi Ueda collaborated on?

They have worked on 5 movies together! Their first movie together was Godzilla 2000: Millennium (1999) while their highest rated movie together was Godzilla Against MechaGodzilla (2002). They have not worked together since Godzilla: Final Wars (2004). They are most known for their science fiction films together.