How many movies have Nobutoshi Ogura and Tetsuya Nishio collaborated on?

They have worked on 4 movies together! Their first movie together was Naruto the Movie: Legend of the Stone of Gelel (2005) while their highest rated movie together was Giovanni's Island (2014). They have not worked together since Giovanni's Island (2014). They are most known for their animation films together.

Giovanni's Island (2014)

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Key Animation
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Key Animation

The Sky Crawlers (2008)

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Key Animation
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Animation Director
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Character Designer
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Key Animation

Ghost in the Shell: Stand Alone Complex - Solid State Society (2006)

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Key Animation
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Character Designer
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Storyboard Artist

Naruto the Movie: Legend of the Stone of Gelel (2005)

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Key Animation
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Animation Director
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Key Animation