How many movies have Kouichi Arai and Masaharu Tada collaborated on?

They have worked on 9 movies together! Their first movie together was Akira (1988) while their highest rated movie together was Perfect Blue (1998). They have not worked together since Legend of the Millennium Dragon (2011). They are most known for their animation films together.

Legend of the Millennium Dragon (2011)

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Key Animation
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Key Animation

Naruto Shippuden the Movie: Bonds (2008)

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Key Animation
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Key Animation

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

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Storyboard Artist
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Key Animation
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Key Animation

Ghost in the Shell 2: Innocence (2004)

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Key Animation
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Key Animation

Millennium Actress (2002)

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Key Animation
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Key Animation

Perfect Blue (1998)

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Key Animation
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Key Animation

X: The Movie (1996)

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Key Animation
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Key Animation

Fly! Peek the Whale (1991)

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Key Animation
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Key Animation

Akira (1988)

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Key Animation
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Key Animation