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Choei Kuriki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Reference time detecting circuit
    • Patent number 4,621,288
    • Issue date Nov 4, 1986
    • Sony Corporation
    • Hisafumi Yamada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Ghost cancelling system
    • Patent number 4,357,631
    • Issue date Nov 2, 1982
    • Sony Corporation
    • Kimitake Utsunomiya
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Ghost cancelling system
    • Patent number 4,344,089
    • Issue date Aug 10, 1982
    • Sony Corporation
    • Kimitake Utsunomiya
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Television receiver with a ghost detector
    • Patent number 4,275,420
    • Issue date Jun 23, 1981
    • Sony Corporation
    • Hisafumi Yamada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE