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Abiko, JP
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Patents Grants
last 30 patents
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Patent Grant
Shutter for cameras
Patent number
4,196,996
Issue date
Apr 8, 1980
Copal Company Limited
Nobuyoshi Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Focal plane shutter
Patent number
4,162,840
Issue date
Jul 31, 1979
Copal Company Limited
Osamu Ooba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Focal plane shutter
Patent number
4,141,638
Issue date
Feb 27, 1979
Copal Company Limited
Osamu Ooba
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY