How many movies have Junkichi Ôki and Noriyoshi Ikeya collaborated on?

They have worked on 4 movies together! Their first movie together was Ultra Q The Movie: Legend of the Stars (1990) and was their highest rated movie together. They have not worked together since Akio Jissoji's Museum of Wonders - Volume of Discourse (1992). They are most known for their horror films together.