How many movies have Hiroomi Yamakawa and Shigeo Takahashi collaborated on?

They have worked on 3 movies together! Their first movie together was Doraemon: Nobita's Great Adventure in the Antarctic Kachi Kochi (2017) while their highest rated movie together was Doraemon: Nobita's Chronicle of the Moon Exploration (2019). They have not worked together since Doraemon: Nobita's Chronicle of the Moon Exploration (2019). They are most known for their fantasy films together.