Nakagawa Tadashi

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Motor driven system for controlling the diaphragm and shutter of a...
- Patent number 5,327,185
- Issue date Jul 5, 1994
- Seikosha Co., Ltd.
- Tadashi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Focal-plane shutter
- Patent number 5,040,008
- Issue date Aug 13, 1991
- Seikosha Co., Ltd.
- Tadashi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic focusing camera
- Patent number 4,959,678
- Issue date Sep 25, 1990
- Seikosha Co., Ltd.
- Tadashi Nakagawa
- G01 - MEASURING TESTING
Information Patent Grant
Focal-plane shutter
- Patent number 4,954,860
- Issue date Sep 4, 1990
- Seikosha Co., Ltd.
- Tadashi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera system
- Patent number 4,952,964
- Issue date Aug 28, 1990
- Seikosha Co., Ltd.
- Tadashi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera
- Patent number 4,920,372
- Issue date Apr 24, 1990
- Seikosha Co., Ltd.
- Tadashi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Program shutter
- Patent number 4,864,347
- Issue date Sep 5, 1989
- Seikosha Co., Ltd.
- Tadashi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Focal-plane shutter base
- Patent number 4,814,807
- Issue date Mar 21, 1989
- Seikosha Co., Ltd.
- Tadashi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Camera equipped with electronic shutter having automatic focus dete...
- Patent number 4,355,872
- Issue date Oct 26, 1982
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Manual focal point adjusting and change-over device for use in auto...
- Patent number 4,349,258
- Issue date Sep 14, 1982
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Self-timer for automatic focusing camera
- Patent number 4,330,187
- Issue date May 18, 1982
- Seiko Koki Kabushiki Kaisha
- Tadashi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic focusing camera equipped with self-timer
- Patent number 4,329,038
- Issue date May 11, 1982
- Seiko Koki Kabushiki Kaisha
- Tadashi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic focusing camera combined with manual focusing system
- Patent number 4,294,526
- Issue date Oct 13, 1981
- Seiko Koki Kabushiki Kaisha
- Tadashi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Shutter blade device for focal plane shutter
- Patent number 4,294,532
- Issue date Oct 13, 1981
- Seiko Koki Kabushiki Kaisha
- Tadashi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Focusing device for automatic focusing camera
- Patent number 4,258,988
- Issue date Mar 31, 1981
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Automatic focusing camera
- Patent number 4,231,648
- Issue date Nov 4, 1980
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- 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 4,217,051
- Issue date Aug 12, 1980
- Seiko Koki Kabushiki Kaisha
- Tadashi Nakagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Shutter blades operating device for camera
- Patent number 4,205,909
- Issue date Jun 3, 1980
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- 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
Exposure control device of shutter for camera
- Patent number 4,184,761
- Issue date Jan 22, 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

Nakagawa Tadashi

Person

Patents Grantslast 30 patents

Motor driven system for controlling the diaphragm and shutter of a...

Focal-plane shutter

Automatic focusing camera

Focal-plane shutter

Camera system

Camera

Program shutter

Focal-plane shutter base

Camera equipped with electronic shutter having automatic focus dete...

Manual focal point adjusting and change-over device for use in auto...

Self-timer for automatic focusing camera

Automatic focusing camera equipped with self-timer

Automatic focusing camera combined with manual focusing system

Shutter blade device for focal plane shutter

Focusing device for automatic focusing camera

Actuating lever stopping device of a camera shutter mechanism

Automatic focusing camera

Control device in a shutter for a camera

Exposure time setting device for shutter of camera

Shutter blades operating device for camera

Exposure time setting device for shutter of camera

Exposure control device of shutter for camera

Device in camera shutter for maintaining separate blades in intimat...

Opening and closing device of a camera shutter mechanism

Control device of shutter for camera

Charging mechanism of a camera shutter

Camera shutter control means

Control device of a shutter for a camera

Shutter opening and closing mechanism for cameras

Shutter and view finder for single lens reflex camera