Katuhiko Nishikawa

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Aichi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Color video signal detector and color video signal detecting method
- Patent number 5,532,756
- Issue date Jul 2, 1996
- Sony Corporation
- Katuhiko Nishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus for converting the scanning period of a video signal to a...
- Patent number 5,309,233
- Issue date May 3, 1994
- Sony Corporation
- Katuhiko Nishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Electric parts for shielding electromagnetic noise
- Patent number 5,287,074
- Issue date Feb 15, 1994
- Sony Corporation
- Toshiaki Meguro
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
DC restorer with reduced low frequency noise
- Patent number 5,258,842
- Issue date Nov 2, 1993
- Sony Corporation
- Katuhiko Nishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE