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.

Armored Trooper VOTOMS: Case; Irvine (2010)

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Mobile Suit Gundam 00 The Movie: -A Wakening of the Trailblazer- (2010)

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Mobile Suit Zeta Gundam - A New Translation III: Love is the Pulse of the Stars (2006)

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Mobile Suit Zeta Gundam - A New Translation I: Heir to the Stars (2005)

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