How many movies have Kenji Ohba and Saburo Yatsude collaborated on?

They have worked on 4 movies together! Their first movie together was Gokaiger Goseiger Super Sentai 199 Hero Great Battle (2011) while their highest rated movie together was Space Squad: Space Sheriff Gavan VS Tokusou Sentai Dekaranger (2017). They have not worked together since Space Squad: Space Sheriff Gavan VS Tokusou Sentai Dekaranger (2017). They are most known for their adventure films together.