How many movies have Hideaki Ohata and Shin-ichiro Shirakura collaborated on?

They have worked on 3 movies together! Their first movie together was Kamen Rider Hibiki The Movie: Hibiki & The Seven War Oni (2005) and was their highest rated movie together. They have not worked together since Kamen Rider #1 (2016). They are most known for their science fiction films together.