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Gangyi Li

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  • Foshan, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ventilation illumination device
    • Patent number 10,274,191
    • Issue date Apr 30, 2019
    • Panasonic Ecology Systems Guangdong Co., LTD.
    • Gangyi Li
    • F21 - LIGHTING
  • Information Patent Grant

    Ventilation device
    • Patent number 9,157,630
    • Issue date Oct 13, 2015
    • Panasonic Ecology Systems Guangdong Co. Ltd.
    • Gangyi Li
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    VENTILATION ILLUMINATION DEVICE
    • Publication number 20160312996
    • Publication date Oct 27, 2016
    • Panasonic Ecology Systems Guangdong Co., Ltd.
    • Gangyi Li
    • F21 - LIGHTING
  • Information Patent Application

    VENTILATION DEVICE
    • Publication number 20140078718
    • Publication date Mar 20, 2014
    • PANASONIC CORPORATION
    • Gangyi Li
    • F21 - LIGHTING