Toshiaki Hirai

Person

Yotsukaido, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Plane shutter
- Patent number 5,997,188
- Issue date Dec 7, 1999
- Seiko Precision Inc.
- Kunioki Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Focal plane shutter
- Patent number 5,826,124
- Issue date Oct 20, 1998
- Seiko Precision Inc.
- Kunioki Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Range finder apparatus
- Patent number 5,719,663
- Issue date Feb 17, 1998
- Seiko Precision Inc.
- Toshiaki Hirai
- G02 - OPTICS
Information Patent Grant
Data processing device for a camera
- Patent number 5,608,488
- Issue date Mar 4, 1997
- Seiko Precision Inc.
- Toshiaki Hirai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Motor driven shutter having focus adjusting and stop setting means
- Patent number 5,559,569
- Issue date Sep 24, 1996
- Seikosha Co., Ltd.
- Kazuo Akimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Motor driven shutter activated by single motor having controllable...
- Patent number 5,420,660
- Issue date May 30, 1995
- Seikosha Co. Ltd.
- Kazuo Akimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Remote controller for a camera
- Patent number 5,198,849
- Issue date Mar 30, 1993
- Seikosha Co., Ltd.
- Toshiaki Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Shutter with lens drive mechanism
- Patent number 5,032,859
- Issue date Jul 16, 1991
- Seikosha Co., Ltd.
- Kazuo Akimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic focus/exposure operation apparatus for camera
- Patent number 4,985,724
- Issue date Jan 15, 1991
- Seikosha Co., Ltd.
- Kazuo Akimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multiple exposure photographic device for camera
- Patent number 4,937,603
- Issue date Jun 26, 1990
- Seikosha Co., Ltd.
- Yukio Morino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Toshiaki Hirai

Person

Patents Grantslast 30 patents

Plane shutter

Focal plane shutter

Range finder apparatus

Data processing device for a camera

Motor driven shutter having focus adjusting and stop setting means

Motor driven shutter activated by single motor having controllable...

Remote controller for a camera

Shutter with lens drive mechanism

Automatic focus/exposure operation apparatus for camera

Multiple exposure photographic device for camera