TREA

Li-Chieh Chao

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  • Taoyuan Hsien, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Remanufacturing method of drill
    • Patent number 11,890,714
    • Issue date Feb 6, 2024
    • TCT GLOBAL LIMITED
    • Chia Li Tao
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill structure
    • Patent number 10,596,641
    • Issue date Mar 24, 2020
    • TCT Global Limited
    • Sung-Hao Chien
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method of fabricating contact window
    • Patent number 6,287,751
    • Issue date Sep 11, 2001
    • United Microelectronics Corp.
    • Tzung-Han Lee
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fabricating method of dual damascene
    • Patent number 6,184,126
    • Issue date Feb 6, 2001
    • United Microelectronics Corp.
    • Tzung-Han Lee
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method of forming dual damascene interconnects using glue material...
    • Patent number 6,177,342
    • Issue date Jan 23, 2001
    • United Microelectronics Corp.
    • Tzung-Han Lee
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Polishing stop structure
    • Patent number 6,160,314
    • Issue date Dec 12, 2000
    • United Microelectronics Corp.
    • Tzung-Han Lee
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    REMANUFACTURING METHOD OF DRILL
    • Publication number 20220355432
    • Publication date Nov 10, 2022
    • TCT Global Limited
    • Chia Li TAO
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drill Structure
    • Publication number 20190240744
    • Publication date Aug 8, 2019
    • TCT Global Limited
    • Sung Hao CHIEN
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL STRUCTURE
    • Publication number 20190134719
    • Publication date May 9, 2019
    • TCT Global Limited
    • Sung Hao CHIEN
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL STRUCTURE
    • Publication number 20180021861
    • Publication date Jan 25, 2018
    • TCT GLOBAL LIMITED
    • Sung-Hao CHIEN
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL STRUCTURE
    • Publication number 20170209942
    • Publication date Jul 27, 2017
    • TCT GLOBAL LIMITED
    • Sung-Hao CHIEN
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILL STRUCTURE
    • Publication number 20170066063
    • Publication date Mar 9, 2017
    • TCT GLOBAL LIMITED
    • Nick Sung-Hao CHIEN
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    METHOD OF FABRICATING CONTACT WINDOW
    • Publication number 20010002307
    • Publication date May 31, 2001
    • TZUNG-HAN LEE
    • H01 - BASIC ELECTRIC ELEMENTS