TREA

Kazuko Yamagishi

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker apparatus
    • Patent number 8,995,695
    • Issue date Mar 31, 2015
    • Sony Corporation
    • Yoshio Ohashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER APPARATUS
    • Publication number 20120114147
    • Publication date May 10, 2012
    • SONY CORPORATION
    • Yoshio Ohashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE