How many movies have Kenji Hachizaki and Toshihiko Masuda collaborated on?

They have worked on 15 movies together! Their first movie together was Lupin the Third: The Fuma Conspiracy (1987) while their highest rated movie together was Howl's Moving Castle (2004). They have not worked together since Lupin the Third vs. Detective Conan: The Movie (2013). They are most known for their animation films together.

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Key Animation
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Key Animation