Shinji Nagaoka

Person

Shikawatashi, Yotsukaido-shi, Chiba-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Auto focus camera
- Patent number 5,146,262
- Issue date Sep 8, 1992
- Seikosha Co. Ltd.
- Shinji Nagaoka
- G02 - OPTICS
Information Patent Grant
Autofocusing device with improved distance focusing accuracy
- Patent number 5,128,529
- Issue date Jul 7, 1992
- Seikosha Co., Ltd.
- Shinji Nagaoka
- G02 - OPTICS
Information Patent Grant
Motor-driven shutter for camera
- Patent number 5,060,000
- Issue date Oct 22, 1991
- Seikosha Co., Ltd.
- Masuo Ogihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rangefinder for camera
- Patent number 5,008,695
- Issue date Apr 16, 1991
- Seikosha Co., Ltd.
- Shinji Nagaoka
- G02 - OPTICS
Information Patent Grant
Method of driving multiple flash rangefinder
- Patent number 4,954,861
- Issue date Sep 4, 1990
- Seikosha Co., Ltd.
- Shinji Nagaoka
- G02 - OPTICS
Information Patent Grant
Circuit for detecting back light
- Patent number 4,945,378
- Issue date Jul 31, 1990
- Seikosha Co., Ltd.
- Shinji Nagaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Range finder
- Patent number 4,913,546
- Issue date Apr 3, 1990
- Seikosha Co., Ltd.
- Shinji Nagaoka
- G02 - OPTICS
Information Patent Grant
Motor-driven shutter for camera
- Patent number 4,881,096
- Issue date Nov 14, 1989
- Seikosha Co., Ltd.
- Masuo Ogihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Flashmatic device for cameras
- Patent number 4,720,725
- Issue date Jan 19, 1988
- Seikosha Co., Ltd.
- Hiroaki Ishida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic film sensitivity setting device for cameras
- Patent number 4,660,949
- Issue date Apr 28, 1987
- Seiko Koki Kabushiki Kaisha
- Takeo Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic film sensitivity setting device for camera
- Patent number 4,655,568
- Issue date Apr 7, 1987
- Seiko Koki Kabushiki Kaisha
- Shinji Nagaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Distance detecting device for a camera
- Patent number 4,648,700
- Issue date Mar 10, 1987
- Seiko Koki Kabushiki Kaisha
- Shinji Nagaoka
- G02 - OPTICS
Information Patent Grant
Electromagnetically actuated shutter for a camera
- Patent number 4,634,254
- Issue date Jan 6, 1987
- Seiko Koki Kabushiki Kaisha
- Masuo Ogihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
System for automatically setting film sensitivity in camera
- Patent number 4,623,231
- Issue date Nov 18, 1986
- Takeo Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Distance detector device
- Patent number 4,579,450
- Issue date Apr 1, 1986
- Seiko Koki Kabsuhiki Kaisha
- Shinji Nagaoka
- G01 - MEASURING TESTING
Information Patent Grant
Control circuit for active type range finder
- Patent number 4,497,560
- Issue date Feb 5, 1985
- Seiko Koki Kabushiki Kaisha
- Shinji Nagaoka
- G02 - OPTICS
Information Patent Grant
Shutter control circuit equipped with a flash light control signal...
- Patent number 4,466,727
- Issue date Aug 21, 1984
- Seiko Koki Kabushiki Kaisha
- Shinji Nagaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Distance detector using a photopotentiometer and a continuous detec...
- Patent number 4,445,029
- Issue date Apr 24, 1984
- Seiko Koki Kabushiki Kaisha
- Shinji Nagaoka
- G01 - MEASURING TESTING
Information Patent Grant
Exposure control circuit for cameras equipped with self-timer
- Patent number 4,374,615
- Issue date Feb 22, 1983
- Seiko Koki Kabushiki Kaisha
- Shinji Nagaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic focusing device
- Patent number 4,359,634
- Issue date Nov 16, 1982
- Seiko Koki Kabushiki Kaisha
- Takeo Saito
- G02 - OPTICS
Information Patent Grant
Exposure information input circuit for electric shutter
- Patent number 4,353,631
- Issue date Oct 12, 1982
- Seiko Koki Kabushiki Kaisha
- Yuzuru Takazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic focusing adjustor device
- Patent number 4,316,085
- Issue date Feb 16, 1982
- Seiko Koki Kabushiki Kaisha
- Takeo Saito
- G02 - OPTICS
Information Patent Grant
Shutter control system having information circuit for introducing i...
- Patent number 4,307,949
- Issue date Dec 29, 1981
- Seiko Koki Kabushiki Kaisha
- Yuzuru Takazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Inhibit circuit for an electronic flash charge circuit
- Patent number 4,305,649
- Issue date Dec 15, 1981
- Seiko Koki Kabushiki Kaisha
- Shinji Nagaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Shutter release interrupting system
- Patent number 4,275,955
- Issue date Jun 30, 1981
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic film sensitivity setting system for camera
- Patent number 4,270,851
- Issue date Jun 2, 1981
- Seiko Koki Kabushiki Kaisha
- Yuzuru Takazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Focus detecting system
- Patent number 4,267,440
- Issue date May 12, 1981
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G02 - OPTICS
Information Patent Grant
Automatic focusing device for camera
- Patent number 4,229,089
- Issue date Oct 21, 1980
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G02 - OPTICS
Information Patent Grant
Camera with photoflash means and data photographic means operated w...
- Patent number 4,112,444
- Issue date Sep 5, 1978
- Seiko Koki Kabushiki Kaisha
- Tomoo Yonemoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Shinji Nagaoka

Person

Patents Grantslast 30 patents

Auto focus camera

Autofocusing device with improved distance focusing accuracy

Motor-driven shutter for camera

Rangefinder for camera

Method of driving multiple flash rangefinder

Circuit for detecting back light

Range finder

Motor-driven shutter for camera

Flashmatic device for cameras

Automatic film sensitivity setting device for cameras

Automatic film sensitivity setting device for camera

Distance detecting device for a camera

Electromagnetically actuated shutter for a camera

System for automatically setting film sensitivity in camera

Distance detector device

Control circuit for active type range finder

Shutter control circuit equipped with a flash light control signal...

Distance detector using a photopotentiometer and a continuous detec...

Exposure control circuit for cameras equipped with self-timer

Automatic focusing device

Exposure information input circuit for electric shutter

Automatic focusing adjustor device

Shutter control system having information circuit for introducing i...

Inhibit circuit for an electronic flash charge circuit

Shutter release interrupting system

Automatic film sensitivity setting system for camera

Focus detecting system

Automatic focusing device for camera

Camera with photoflash means and data photographic means operated w...