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Biau-Dar Chen

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  • Hsinchu, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Light-emitting device
    • Patent number 11,742,459
    • Issue date Aug 29, 2023
    • Epistar Corporation
    • Chien-Hua Chou
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting device
    • Patent number 11,430,916
    • Issue date Aug 30, 2022
    • Epistar Corporation
    • Chien-Hua Chou
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting device
    • Patent number 10,825,956
    • Issue date Nov 3, 2020
    • Epistar Corporation
    • Chien-Hua Chou
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting device
    • Patent number 10,505,076
    • Issue date Dec 10, 2019
    • Epistar Corporation
    • Chien-Hua Chou
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting device
    • Patent number 10,199,542
    • Issue date Feb 5, 2019
    • Epistar Corporation
    • Chien-Hua Chou
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light-emitting device
    • Patent number 9,530,934
    • Issue date Dec 27, 2016
    • Epistar Corporation
    • Chien-Hua Chou
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optoelectronic device and method for manufacturing the same
    • Patent number 9,224,912
    • Issue date Dec 29, 2015
    • Epistar Corporation
    • Cheng Hsiang Ho
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Optoelectronic device and method for manufacturing the same
    • Patent number 8,987,752
    • Issue date Mar 24, 2015
    • Epistar Corporation
    • Cheng Hsiang Ho
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20220376136
    • Publication date Nov 24, 2022
    • EPISTAR CORPORATION
    • Chien-Hua CHOU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20210074886
    • Publication date Mar 11, 2021
    • EPISTAR CORPORATION
    • Chien-Hua CHOU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20200066937
    • Publication date Feb 27, 2020
    • EPISTAR CORPORATION
    • Chien-Hua CHOU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20190148595
    • Publication date May 16, 2019
    • EPISTAR CORPORATION
    • Chien-Hua CHOU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT-EMITTING DEVICE
    • Publication number 20170179343
    • Publication date Jun 22, 2017
    • EPISTAR CORPORATION
    • Chien-Hua CHOU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTOELECTRONIC DEVICE AND METHOD FOR MANUFACTURING THE SAME
    • Publication number 20150187986
    • Publication date Jul 2, 2015
    • EPISTAR CORPORATION
    • Cheng Hsiang HO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    OPTOELECTRONIC DEVICE AND METHOD FOR MANUFACTURING THE SAME
    • Publication number 20130306993
    • Publication date Nov 21, 2013
    • Cheng Hsiang Ho
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    High efficiency nitride based light emitting device
    • Publication number 20050082562
    • Publication date Apr 21, 2005
    • Epistar Corporation
    • Chen Ou
    • H01 - BASIC ELECTRIC ELEMENTS