How many movies have Akira Ifukube and Kenichi Eguchi collaborated on?

They have worked on 5 movies together! Their first movie together was Godzilla vs. King Ghidorah (1991) 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.