Hiroshi Shirai

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Katsuta, JP

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Patents Grantslast 30 patents

Information Patent Grant
Control signal receiving system
- Patent number 4,777,655
- Issue date Oct 11, 1988
- Hitachi, Ltd.
- Osamu Numata
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Noise muting circuit in FM receiver
- Patent number 4,146,842
- Issue date Mar 27, 1979
- Hitachi, Ltd.
- Isao Fukushima
- H03 - BASIC ELECTRONIC CIRCUITRY