Yasuo Nishida

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Electrochromic diaphragm device
- Patent number 5,471,339
- Issue date Nov 28, 1995
- Sony Corporation
- Koichi Ise
- G02 - OPTICS
Information Patent Grant
Iris drive mechanism
- Patent number 5,315,889
- Issue date May 31, 1994
- Sony Corporation
- Shuuji Moro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Automatic focusing system for use in camera
- Patent number 4,771,307
- Issue date Sep 13, 1988
- Sony Corporation
- Osamu Kuno
- G02 - OPTICS