TREA

Julian Ward

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  • Birmingham, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker apparatus
    • Patent number 9,253,585
    • Issue date Feb 2, 2016
    • Yamaha Corporation
    • Ryuichiro Kuroki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Speaker Apparatus
    • Publication number 20130051563
    • Publication date Feb 28, 2013
    • Yamaha Corporation
    • Ryuichiro Kuroki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE