TREA

Chiung-Chang TSAI

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  • Taoyuan City, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ratchet screwdriver
    • Patent number 10,766,125
    • Issue date Sep 8, 2020
    • Chiung-Chang Tsai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Measuring tape assembly
    • Patent number 10,545,013
    • Issue date Jan 28, 2020
    • Chiung-Chang Tsai
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Ratchet screwdriver
    • Patent number 10,384,334
    • Issue date Aug 20, 2019
    • Chiung-Chang Tsai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Wearable electronic device
    • Patent number 9,577,324
    • Issue date Feb 21, 2017
    • Quanta Computer Inc.
    • Chun-Lung Chen
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Electronic product and its cable set
    • Patent number 9,478,901
    • Issue date Oct 25, 2016
    • Quanta Computer Inc.
    • Chun-Lung Chen
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ratchet screwdriver
    • Patent number 9,278,435
    • Issue date Mar 8, 2016
    • Chiung-Chang Tsai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    One-way ratchet wrench
    • Patent number 8,051,747
    • Issue date Nov 8, 2011
    • Chiung-Chang Tsai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Handle of a hand tool having grinding capabilities
    • Patent number 8,020,473
    • Issue date Sep 20, 2011
    • Chiung-Chang Tsai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Linear motion guide apparatus having changeable wiper
    • Patent number 7,736,059
    • Issue date Jun 15, 2010
    • Hiwin Technologies Corp.
    • Tsung Jen Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Linear motion guide apparatus having changeable wiper
    • Patent number 7,658,544
    • Issue date Feb 9, 2010
    • Hiwin Technologies Corp.
    • Tsung Jen Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Linear motion guide apparatus having ball retaining device
    • Patent number 7,467,894
    • Issue date Dec 23, 2008
    • Hiwin Technologies Corp.
    • Chin-Pei Wang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Steel wire retainer for a sliding block
    • Patent number 7,377,693
    • Issue date May 27, 2008
    • Hiwin Technologies Corp.
    • Chiung-Hui Tsai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hand tool handle
    • Patent number D533428
    • Issue date Dec 12, 2006
    • Chiung-Chang Tsai
    • D08 - Tools and hardware
  • Information Patent Grant

    Handle for a hand tool
    • Patent number D531878
    • Issue date Nov 14, 2006
    • Chiung-Chang Tsai
    • D08 - Tools and hardware
  • Information Patent Grant

    Recirculating apparatus of linear motion guiding
    • Patent number 7,134,790
    • Issue date Nov 14, 2006
    • Hiwin Technologies Corp.
    • Chin-Pei Wang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Handle for a hand tool
    • Patent number D531480
    • Issue date Nov 7, 2006
    • Chiung-Chang Tsai
    • D08 - Tools and hardware
  • Information Patent Grant

    Handle for a hand tool
    • Patent number D531006
    • Issue date Oct 31, 2006
    • Chiung-Chang Tsai
    • D08 - Tools and hardware
  • Information Patent Grant

    Tool suspension plate
    • Patent number D486381
    • Issue date Feb 10, 2004
    • Chiung-Chang Tsai
    • D08 - Tools and hardware
  • Information Patent Grant

    Handle of hand tool
    • Patent number D465986
    • Issue date Nov 26, 2002
    • Chiung-Chang Tsai
    • D08 - Tools and hardware
  • Information Patent Grant

    Screwdriver assembly with an extendable rod
    • Patent number 6,405,396
    • Issue date Jun 18, 2002
    • Chiung-Chang Tsai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Handle for a hand tool
    • Patent number D441269
    • Issue date May 1, 2001
    • Chiung-Chang Tsai
    • D08 - Tools and hardware

Patents Applicationslast 30 patents

  • Information Patent Application

    Hand Tool Structure
    • Publication number 20240424649
    • Publication date Dec 26, 2024
    • Chang-Yu Tsai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    MEASURING TAPE ASSEMBLY
    • Publication number 20190212120
    • Publication date Jul 11, 2019
    • Chiung-Chang Tsai
    • G01 - MEASURING TESTING
  • Information Patent Application

    RATCHET SCREWDRIVER
    • Publication number 20190134790
    • Publication date May 9, 2019
    • Chiung-Chang Tsai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    RATCHET SCREWDRIVER
    • Publication number 20190099864
    • Publication date Apr 4, 2019
    • Chiung-Chang Tsai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    WATERPROOF ELECTRONIC DEVICE WITH PRESSURE-EQUILIBRIUM FUNCTIONS
    • Publication number 20170180850
    • Publication date Jun 22, 2017
    • QUANTA COMPUTER INC.
    • Chia-Ju HSU
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    ELECTRONIC PRODUCT AND ITS CABLE SET
    • Publication number 20160261065
    • Publication date Sep 8, 2016
    • QUANTA COMPUTER INC.
    • Chun-Lung CHEN
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    WEARABLE ELECTRONIC DEVICE
    • Publication number 20160261037
    • Publication date Sep 8, 2016
    • QUANTA COMPUTER INC.
    • Chun-Lung CHEN
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    WORK TOOL HAVING FUNCTION PART WITH FRICTION FACE
    • Publication number 20150290777
    • Publication date Oct 15, 2015
    • Chiung-Chang Tsai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    RATCHET SCREWDRIVER
    • Publication number 20150122088
    • Publication date May 7, 2015
    • Chiung-Chang Tsai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    HANDLE OF A HAND TOOL HAVING GRINDING CAPABILITIES
    • Publication number 20090255380
    • Publication date Oct 15, 2009
    • Chiung-Chang Tsai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Linear motion guide apparatus having changeable wiper
    • Publication number 20080232725
    • Publication date Sep 25, 2008
    • Hiwin Technologies Corp.
    • Tsung Jen Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Linear motion guide apparatus having changeable wiper
    • Publication number 20080159669
    • Publication date Jul 3, 2008
    • Hiwin Technologies Corp.
    • Tsung Jen Chen
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Linear motion guide apparatus having ball retaining device
    • Publication number 20070263950
    • Publication date Nov 15, 2007
    • Hiwin Technologies Corp.
    • Chin Pei Wang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Steel Wire Retainer For A Sliding Block
    • Publication number 20070201776
    • Publication date Aug 30, 2007
    • Hiwin Technologies Corp.
    • Chiung-Hui TSAI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Recirculating apparatus of linear motion guiding
    • Publication number 20060198563
    • Publication date Sep 7, 2006
    • Hiwin Technologies Corp.
    • Chin-Pei Wang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Screwdriver assembly
    • Publication number 20020170394
    • Publication date Nov 21, 2002
    • Chiung-Chang Tsai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS