How many movies have Ryosuke Takahashi and Yoko Kawanami collaborated on?

They have worked on 3 movies together! Their first movie together was Document: Fang of the Sun Dougram (1983) while their highest rated movie together was Armored Trooper VOTOMS: Alone Again (2011). They have not worked together since Armored Trooper VOTOMS: Alone Again (2011). They are most known for their animation films together.