How many movies have Akiharu Ishii and Takayuki Hamana collaborated on?

They have worked on 4 movies together! Their first movie together was Patlabor 2: The Movie (1993) and was their highest rated movie together. They have not worked together since Library War: The Wings Of Revolution (2012). They are most known for their animation films together.

Library War: The Wings Of Revolution (2012)

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Animation Director
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Director
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Key Animation
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Key Animation

Loups=Garous (2010)

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Key Animation
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Key Animation
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Supervising Animation Director

The Prince of Tennis: Two Samurais, The First Game (2005)

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Character Designer
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Director
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Storyboard Artist

Patlabor 2: The Movie (1993)

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Key Animation
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Key Animation