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Koji TAKAHAMA

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Amplifier
    • Patent number 10,008,988
    • Issue date Jun 26, 2018
    • Onkyo Corporation
    • Koji Takahama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Protection device
    • Patent number 9,520,839
    • Issue date Dec 13, 2016
    • ONKYO & PIONEER TECHNOLOGY CORPORATION
    • Koji Takahama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Filter circuit
    • Patent number 8,018,273
    • Issue date Sep 13, 2011
    • ONKYO Corporation
    • Koji Takahama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Transmission signal processing device for video signal and multi-ch...
    • Patent number 7,813,824
    • Issue date Oct 12, 2010
    • ONKYO Corporation
    • Koji Takahama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    AMPLIFIER
    • Publication number 20180062584
    • Publication date Mar 1, 2018
    • Onkyo Corporation
    • Koji TAKAHAMA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    PROTECTION DEVICE
    • Publication number 20160191000
    • Publication date Jun 30, 2016
    • Onkyo & Pioneer Technology Corporation
    • Koji TAKAHAMA
    • G01 - MEASURING TESTING