How many movies have Chikao Ohtsuka and Soji Yoshikawa collaborated on?

They have worked on 3 movies together! Their first movie together was Lensman (1984) while their highest rated movie together was Armored Trooper VOTOMS: Pailsen Files The Movie (2009). They have not worked together since Armored Trooper VOTOMS: Pailsen Files The Movie (2009). They are most known for their animation films together.