Isamu Ishii

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Chiba, JP

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Patents Grantslast 30 patents

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
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
Range meter for camera
- Patent number 5,099,266
- Issue date Mar 24, 1992
- Seikosha Co., Ltd.
- Yuji Nakajima
- G02 - OPTICS
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