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Katsuhito Niwa
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Yotsukaido, JP
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last 30 patents
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Patent Grant
Multiple exposure photographic device for camera
Patent number
4,937,603
Issue date
Jun 26, 1990
Seikosha Co., Ltd.
Yukio Morino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Shutter control device for camera
Patent number
4,763,155
Issue date
Aug 9, 1988
Seikosha Co., Ltd.
Hajime Oda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY