TREA

Keng-Chuan Chang

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  • Hsinchu, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lighting apparatus
    • Patent number 12,163,630
    • Issue date Dec 10, 2024
    • Epistar Corporation
    • Wei-Chiang Hu
    • F21 - LIGHTING
  • Information Patent Grant

    Lighting apparatus
    • Patent number 11,852,302
    • Issue date Dec 26, 2023
    • Epistar Corporation
    • Wei-Chiang Hu
    • F21 - LIGHTING
  • Information Patent Grant

    Lighting apparatus
    • Patent number 11,268,659
    • Issue date Mar 8, 2022
    • Epistar Corporation
    • Wei-Chiang Hu
    • F21 - LIGHTING
  • Information Patent Grant

    Lighting apparatus
    • Patent number 10,670,192
    • Issue date Jun 2, 2020
    • Epistar Corporation
    • Wei-Chiang Hu
    • F21 - LIGHTING
  • Information Patent Grant

    Lighting apparatus
    • Patent number 9,927,070
    • Issue date Mar 27, 2018
    • Epistar Corporation
    • Wei-Chiang Hu
    • F21 - LIGHTING
  • Information Patent Grant

    Light-emitting diode lamp
    • Patent number D750283
    • Issue date Feb 23, 2016
    • Epistar Corporation
    • Wei-Chiang Hu
    • D26 - Lighting

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHTING APPARATUS
    • Publication number 20240167640
    • Publication date May 23, 2024
    • EPISTAR CORPORATION
    • Wei-Chiang Hu
    • F21 - LIGHTING
  • Information Patent Application

    LIGHTING APPARATUS
    • Publication number 20220186887
    • Publication date Jun 16, 2022
    • EPISTAR CORPORATION
    • Wei-Chiang Hu
    • F21 - LIGHTING
  • Information Patent Application

    LIGHTING APPARATUS
    • Publication number 20200300416
    • Publication date Sep 24, 2020
    • EPISTAR CORPORATION
    • Wei-Chiang Hu
    • F21 - LIGHTING
  • Information Patent Application

    LIGHTING APPARATUS
    • Publication number 20180216786
    • Publication date Aug 2, 2018
    • EPISTAR CORPORATION
    • Wei-Chiang Hu
    • F21 - LIGHTING
  • Information Patent Application

    Light-Emitting Device
    • Publication number 20150369457
    • Publication date Dec 24, 2015
    • EPISTAR CORPORATION
    • Keng-Chuan CHANG
    • F21 - LIGHTING
  • Information Patent Application

    LIGHTING APPARATUS
    • Publication number 20150252954
    • Publication date Sep 10, 2015
    • EPISTAR CORPORATION
    • Wei-Chiang Hu
    • F21 - LIGHTING