How many movies have Kenichi Eguchi and Takao Okawara collaborated on?

They have worked on 6 movies together! Their first movie together was Prophecies of Nostradamus (1974) while their highest rated movie together was Godzilla vs. Destoroyah (1995). They have not worked together since Godzilla 2000: Millennium (1999). They are most known for their science fiction films together.