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KAZUHIRO MATSUTANI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker apparatus
    • Patent number 10,993,018
    • Issue date Apr 27, 2021
    • Sony Corporation
    • Kohei Kikuchi
    • F21 - LIGHTING

Patents Applicationslast 30 patents

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    SPEAKER APPARATUS
    • Publication number 20170332166
    • Publication date Nov 16, 2017
    • SONY CORPORATION
    • KOHEI KIKUCHI
    • F21 - LIGHTING
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    SPEAKER APPARATUS
    • Publication number 20170325031
    • Publication date Nov 9, 2017
    • Sony Corporation
    • YOHEI FUKUMA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE