How many movies have Masao Inokuma and Shuichi Oshima collaborated on?

They have worked on 7 movies together! Their first movie together was Kamen Rider Blade: Missing Ace (2004) while their highest rated movie together was Kamen Rider Den-O The Movie: I’m Born! (2007). They have not worked together since Kamen Rider Decade: All Riders vs. Dai-Shocker (2009). They are most known for their adventure films together.