How many movies have Kazuyoshi Nakamura and Takanori Okano collaborated on?

They have worked on 4 movies together! Their first movie together was Doraemon: Nobita and the New Steel Troops: Winged Angels (2011) and was their highest rated movie together. They have not worked together since Doraemon: New Nobita's Great Demon - Peko and the Exploration Party of Five (2014). They are most known for their adventure films together.