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FM Receiver
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Patent number 4,356,350
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Issue date Oct 26, 1982
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Hitachi, Ltd.
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Masanori Ienaka
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Power output circuit
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Patent number 4,313,145
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Issue date Jan 26, 1982
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Hitachi, Ltd.
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Masanori Ienaka
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G01 - MEASURING TESTING
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Protective circuit
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Patent number 4,276,442
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Issue date Jun 30, 1981
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Hitachi, Ltd.
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Masanori Ienaka
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Pulse forming circuit
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Patent number 4,268,762
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Issue date May 19, 1981
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Hitachi, Ltd.
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Masanori Ienaka
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H03 - BASIC ELECTRONIC CIRCUITRY
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Double-converting FM tuner
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Patent number 4,236,252
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Issue date Nov 25, 1980
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Hitachi, Ltd.
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Yasuo Kominami
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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FM stereo demodulator
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Patent number 4,166,925
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Issue date Sep 4, 1979
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Hitachi, Ltd.
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Masanori Ienaka
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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