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Yu-Ling Cheng

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  • New Taipei City, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Grille attachment for loudspeaker
    • Patent number 8,897,481
    • Issue date Nov 25, 2014
    • Sound Sources Technology, Inc.
    • Yoichiro Sumitani
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    GRILLE ATTACHMENT FOR LOUDSPEAKER
    • Publication number 20140233786
    • Publication date Aug 21, 2014
    • Sound Sources Technology, Inc.
    • Yoichiro Sumitani
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE