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Mitsuo Koyama
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Yotsukaido, JP
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last 30 patents
Information
Patent Grant
Actuating lever stopping device of a camera shutter mechanism
Patent number
4,259,001
Issue date
Mar 31, 1981
Seiko Koki Kabushiki Kaisha
Masanori Watanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Control device in a shutter for a camera
Patent number
4,229,093
Issue date
Oct 21, 1980
Seiko Koki Kabushiki Kaisha
Mitsuo Koyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Exposure time setting device for shutter of camera
Patent number
4,204,763
Issue date
May 27, 1980
Seiko Koki Kabushiki Kaisha
Tadashi Nakagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Device in camera shutter for maintaining separate blades in intimat...
Patent number
4,150,890
Issue date
Apr 24, 1979
Seiko Koki Kabushiki Kaisha
Tadashi Nakagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Opening and closing device of a camera shutter mechanism
Patent number
4,145,132
Issue date
Mar 20, 1979
Seiko Koki Kabushiki Kaisha
Eiichi Onda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Control device of shutter for camera
Patent number
4,143,957
Issue date
Mar 13, 1979
Seiko Koki Kabushiki Kaisha
Ichiro Nemoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging mechanism of a camera shutter
Patent number
4,142,789
Issue date
Mar 6, 1979
Seiko Koki Kabushiki Kaisha
Mitsuo Koyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Camera shutter control means
Patent number
4,134,659
Issue date
Jan 16, 1979
Seiko Koki Kabushiki Kaisha
Ichiro Nemoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Control device of a shutter for a camera
Patent number
4,119,986
Issue date
Oct 10, 1978
Seiko Koki Kabushiki Kaisha
Mitsuo Koyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Shutter opening and closing mechanism for cameras
Patent number
4,114,174
Issue date
Sep 12, 1978
Seiko Koki Kabushiki Kaisha
Eiichi Onda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Shutter and view finder for single lens reflex camera
Patent number
4,110,767
Issue date
Aug 29, 1978
Seiko Koki Kabushiki Kaisha
Eiichi Onda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Camera shutter having bound prevention device
Patent number
4,110,772
Issue date
Aug 29, 1978
Seiko Koki Kabushiki Kaisha
Tadashi Nakagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Contact mechanism of shutter for camera
Patent number
4,104,665
Issue date
Aug 1, 1978
Seiko Koki Kabushiki Kaisha
Nakagawa Tadashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY