TREA

Lianwei Zhang

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  • XIAMEN, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lighting apparatus
    • Patent number 11,248,783
    • Issue date Feb 15, 2022
    • XIAMEN ECO LIGHTING CO. LTD.
    • Xiaojuan Huang
    • F21 - LIGHTING
  • Information Patent Grant

    Filament bulb with uniform luminance
    • Patent number 10,473,291
    • Issue date Nov 12, 2019
    • XIAMEN ECO LIGHTING CO. LTD.
    • Liangliang Cao
    • F21 - LIGHTING
  • Information Patent Grant

    Lighting device
    • Patent number 10,344,920
    • Issue date Jul 9, 2019
    • XIAMEN ECO LIGHTING CO. LTD.
    • Liangliang Cao
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHTING APPARATUS
    • Publication number 20210325028
    • Publication date Oct 21, 2021
    • XIAMEN ECO LIGHTING CO. LTD.
    • Xiaojuan Huang
    • F21 - LIGHTING
  • Information Patent Application

    FILAMENT BULB WITH UNIFORM LUMINANCE
    • Publication number 20180306407
    • Publication date Oct 25, 2018
    • XIAMEN ECO LIGHTING CO. LTD.
    • Liangliang Cao
    • F21 - LIGHTING
  • Information Patent Application

    LIGHTING DEVICE
    • Publication number 20180283620
    • Publication date Oct 4, 2018
    • XIAMEN ECO LIGHTING CO. LTD.
    • Liangliang Cao
    • F21 - LIGHTING