TREA

Hiroyasu Yamaguchi

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power amplifier
    • Patent number 4,471,322
    • Issue date Sep 11, 1984
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hiroyasu Yamaguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Signal intercepting circuit
    • Patent number 4,427,949
    • Issue date Jan 24, 1984
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hiroyasu Yamaguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Output amplifier
    • Patent number 4,404,528
    • Issue date Sep 13, 1983
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hiroyasu Yamaguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power amplifier
    • Patent number 4,357,579
    • Issue date Nov 2, 1982
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Shuichi Kato
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power amplifying circuit
    • Patent number 4,333,059
    • Issue date Jun 1, 1982
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hiroyasu Yamaguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power-amplifying circuit
    • Patent number 4,330,755
    • Issue date May 18, 1982
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hiroyasu Yamaguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power amplifier
    • Patent number 4,316,149
    • Issue date Feb 16, 1982
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hiroyasu Yamaguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Automatic level control circuit
    • Patent number 4,234,853
    • Issue date Nov 18, 1980
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hiroyasu Yamaguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Protective circuit for a power amplifier
    • Patent number 4,227,227
    • Issue date Oct 7, 1980
    • Tokyo Shibaura Denki Kabushiki Kaisha
    • Hiroyasu Yamaguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY