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Hiroshi Shirai
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Katsuta, JP
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last 30 patents
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Patent Grant
Control signal receiving system
Patent number
4,777,655
Issue date
Oct 11, 1988
Hitachi, Ltd.
Osamu Numata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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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