Yuzuru Takazawa

Person

Yotsukaido, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Safety device of auto-focusing point adjusting camera
- Patent number 4,364,648
- Issue date Dec 21, 1982
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- 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
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
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 camera
- Patent number 4,231,647
- Issue date Nov 4, 1980
- Seiko Koki Kabushiki Kaisha
- Kiyoshi Kitai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Reversal preventing device of electric clock
- Patent number 4,104,859
- Issue date Aug 8, 1978
- Seiko Koki Kabushiki Kaisha
- Masuo Ogihara
- G04 - HOROLOGY

Yuzuru Takazawa

Person

Patents Grantslast 30 patents

Safety device of auto-focusing point adjusting camera

Automatic focusing device

Exposure information input circuit for electric shutter

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

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 camera

Reversal preventing device of electric clock