How many movies have Nobuhiro Masuda and Ryouko Hata collaborated on?

They have worked on 8 movies together! Their first movie together was Sailor Moon S the Movie: Hearts in Ice (1994) while their highest rated movie together was Sailor Moon SuperS: The Movie: Black Dream Hole (1995). They have not worked together since Detective Conan: Jolly Roger in the Deep Azure (2007). They are most known for their animation films together.

Detective Conan: Jolly Roger in the Deep Azure (2007)

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Key Animation
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Key Animation

Detective Conan: The Private Eyes' Requiem (2006)

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Key Animation

Detective Conan: Strategy Above the Depths (2005)

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Key Animation

Detective Conan: Magician of the Silver Sky (2004)

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Key Animation
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Key Animation

Detective Conan: The Phantom of Baker Street (2002)

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Case Closed: Countdown to Heaven (2001)

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Sailor Moon SuperS: The Movie: Black Dream Hole (1995)

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Key Animation
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Key Animation

Sailor Moon S the Movie: Hearts in Ice (1994)

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Key Animation
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Key Animation