How many movies have Tetsuya Tatekawa and Yousaku Oyamada collaborated on?

They have worked on 1 movie together! Their first movie together was Motoaki Furukawa with VOYAGER LIVE 2012 DVD (2013) and was their highest rated movie together. They have not worked together since Motoaki Furukawa with VOYAGER LIVE 2012 DVD (2013).