How many movies have Ken Ootsuka and Kenichi Takase collaborated on?

They have worked on 4 movies together! Their first movie together was Mobile Suit Zeta Gundam - A New Translation I: Heir to the Stars (2005) and was their highest rated movie together. They have not worked together since Armored Trooper VOTOMS: Case; Irvine (2010). They are most known for their science fiction films together.