How many movies have Goro Inagaki and Shimako Sato collaborated on?

They have worked on 4 movies together! Their first movie together was 八つ墓村 (2004) while their highest rated movie together was Kindachi Kosuke: The Queen Bee (2006). They have not worked together since 金田一耕助シリーズ・悪魔の手毬唄 (2009). They are most known for their mystery films together.