TREA

Akira Kato

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  • Chofu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Combined amplifier and tuner
    • Patent number D255683
    • Issue date Jul 1, 1980
    • Sansui Electric Co., Ltd.
    • Akira Kato
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Control knob for audio apparatus
    • Patent number D253289
    • Issue date Oct 30, 1979
    • Sansui Electric Co., Ltd.
    • Akira Kato
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined tuner and amplifier
    • Patent number D250535
    • Issue date Dec 12, 1978
    • Sansui Electric Co., Ltd.
    • Akira Kato
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Combined tuner and amplifier
    • Patent number D250534
    • Issue date Dec 12, 1978
    • Sansui Electric Co., Ltd.
    • Akira Kato
    • D14 - Recording, communication, or information retrieval equipment