How many movies have Hiroshi Kamiya and Shunichiro Yoshihara collaborated on?

They have worked on 5 movies together! Their first movie together was Macross Frontier: The False Songstress (2009) while their highest rated movie together was Attack on Titan: The Roar of Awakening (2018). They have not worked together since Attack on Titan: The Roar of Awakening (2018). They are most known for their animation films together.