How many movies have Koichi Yamadera and Yutaka Izubuchi collaborated on?

They have worked on 3 movies together! Their first movie together was Cowboy Bebop: The Movie (2001) while their highest rated movie together was Space Battleship Yamato 2199: A Voyage to Remember (2014). They have not worked together since Space Battleship Yamato 2199: A Voyage to Remember (2014). They are most known for their science fiction films together.