How many movies have Kohei Yoneyama and Seiichi Nakatani collaborated on?

They have worked on 3 movies together! Their first movie together was Turn A Gundam I: Earth Light (2002) while their highest rated movie together was Code Geass: Akito the Exiled 3: The Brightness Falls (2015). They have not worked together since Code Geass: Akito the Exiled 5: To Beloved Ones (2016). They are most known for their animation films together.