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Yoshiyuki Iwamatsu
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Narashino, JP
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last 30 patents
Information
Patent Grant
Display system for camera
Patent number
6,021,280
Issue date
Feb 1, 2000
Seiko Precision Inc.
Noriyuki Osato
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Detecting circuit and method for detecting power interruption in a...
Patent number
5,737,649
Issue date
Apr 7, 1998
Seiko Precision Inc.
Yoshiyuki Iwamatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for inserting date information in camera film
Patent number
5,610,675
Issue date
Mar 11, 1997
Seiko Precision Inc.
Yoshiyuki Iwamatsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Distance measuring device for camera
Patent number
5,444,511
Issue date
Aug 22, 1995
Seikosha Co., Ltd.
Yoichi Seki
G02 - OPTICS
Information
Patent Grant
Shutter control device for camera and control method therefor
Patent number
5,255,049
Issue date
Oct 19, 1993
Seikosha Co., Ltd.
Kazuo Akimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Camera system
Patent number
4,959,680
Issue date
Sep 25, 1990
Seikosha Co., Ltd.
Hiroaki Ishida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY