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Nobuyuki Ishizaki

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Headphone apparatus
    • Patent number 9,161,116
    • Issue date Oct 13, 2015
    • Sony Corporation
    • Nobuyuki Ishizaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    HEADPHONE
    • Publication number 20140348371
    • Publication date Nov 27, 2014
    • SONY CORPORATION
    • Nobuyuki Ishizaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    EAR PAD
    • Publication number 20120051576
    • Publication date Mar 1, 2012
    • SONY CORPORATION
    • Shunsuke Shiomi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE