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Yuji Okubo
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Omiya, JP
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last 30 patents
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Patent Grant
Exposure control apparatus of a camera
Patent number
4,615,601
Issue date
Oct 7, 1986
Nippon Kogaku K.K.
Yuji Okubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Signal selector for automatic exposure apparatus of camera
Patent number
4,564,281
Issue date
Jan 14, 1986
Nippon Kogaku K.K.
Mikio Takemae
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Camera in which exposure is electrically and mechanically controllable
Patent number
4,540,266
Issue date
Sep 10, 1985
Nippon Kogaku K.K.
Yuji Okubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Automatic exposure control camera having a low brightness warning d...
Patent number
4,509,847
Issue date
Apr 9, 1985
Nippon Kogaku K.K.
Osamu Maida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Exposure mode setting device in an exposure control apparatus of a...
Patent number
4,497,564
Issue date
Feb 5, 1985
Nippon Kogaku K.K.
Hiroshi Meguro
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY