Kiyotsugu Ishikawa

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Osaka, JP

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Patents Grantslast 30 patents

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Color filter having cyan, yellow, green and magenta filter elements...
- Patent number 4,670,777
- Issue date Jun 2, 1987
- Matsushita Electric Industrial Co., Ltd.
- Kiyotsugu Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for driving solid-state image sensor
- Patent number 4,551,757
- Issue date Nov 5, 1985
- Matsushita Electric Industrial Co., Ltd.
- Yoshio Ohkubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Solid state color imaging apparatus
- Patent number 4,450,475
- Issue date May 22, 1984
- Matsushita Electric Industrial Co., Ltd.
- Kiyotsugu Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Solid state color imaging apparatus
- Patent number 4,403,247
- Issue date Sep 6, 1983
- Matsushita Electronics Corporation
- Yoshiaki Sone
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for machining surfaces of semiconductor substrates
- Patent number 4,108,715
- Issue date Aug 22, 1978
- Matsushita Electronics Corporation
- Kiyotsugu Ishikawa
- H01 - BASIC ELECTRIC ELEMENTS