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Youichi Okuno
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Yokohama, JA
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last 30 patents
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Patent Grant
View finder system for a single lens reflex camera
Patent number
4,053,912
Issue date
Oct 11, 1977
Canon Kabushiki Kaisha
Youichi Okuno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light measuring device for a single lens reflex camera with a penta...
Patent number
4,005,458
Issue date
Jan 25, 1977
Canon Kabushiki Kaisha
Youichi Okuno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Light measuring apparatus for a single lens reflex camera
Patent number
3,996,594
Issue date
Dec 7, 1976
Canon Kabushiki Kaisha
Youichi Okuno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
View-finder device for single lens reflex camera
Patent number
3,978,502
Issue date
Aug 31, 1976
Canon Kabushiki Kaisha
Youichi Okuno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Exposure value display system for a camera
Patent number
3,971,048
Issue date
Jul 20, 1976
Canon Kabushiki Kaisha
Tadashi Ito
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Viewfinder for a single lens reflex camera
Patent number
3,962,710
Issue date
Jun 8, 1976
Canon Kabushiki Kaisha
Youichi Okuno
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical system for a television camera with a bias-light emitting d...
Patent number
3,956,584
Issue date
May 11, 1976
Canon Kabushiki Kaisha
Kazuo Tanaka
G02 - OPTICS