How many movies have Chiaki Fujimoto and Masahiro Kumagai collaborated on?

They have worked on 8 movies together! Their first movie together was Doraemon: Nobita's New Great Adventure Into the Underworld - The Seven Magic Users (2007) while their highest rated movie together was Doraemon: Nobita and the New Steel Troops: Winged Angels (2011). They have not worked together since Doraemon: Nobita's Great Adventure in the Antarctic Kachi Kochi (2017). They are most known for their family films together.