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Hui-Mei Chang

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wrench rack
    • Patent number D1084810
    • Issue date Jul 22, 2025
    • STANLEY CHIRO INTERNATIONAL LTD.
    • Hui-Mei Chang
    • D08 - Tools and hardware
  • Information Patent Grant

    Hearing training device
    • Patent number 11,684,545
    • Issue date Jun 27, 2023
    • EYES'ON TECHNOLOGY CO., LTD.
    • Hui-Shan Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Spa apparatus
    • Patent number 10,610,448
    • Issue date Apr 7, 2020
    • Yi Jin Shiuan Beauty Co. Ltd.
    • Hui-Mei Chang
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Wrench support rack assembly
    • Patent number 10,524,590
    • Issue date Jan 7, 2020
    • Stanley Chiro International Ltd.
    • Yen-ting Wu
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Sensing pad
    • Patent number 8,922,225
    • Issue date Dec 30, 2014
    • China Medical University
    • Jin-Chern Chiou
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Polishing pad and fabricating method thereof
    • Patent number 8,517,800
    • Issue date Aug 27, 2013
    • IV Technologies Co., Ltd.
    • Shiuan-Tzung Li
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Polarizing sheet capable of color conversion and liquid crystal dis...
    • Patent number 7,808,583
    • Issue date Oct 5, 2010
    • Wintek Corporation
    • Chih-Yuan Wang
    • G02 - OPTICS
  • Information Patent Grant

    Driving member securing device for hand tools
    • Patent number 7,059,218
    • Issue date Jun 13, 2006
    • Lea Way Hand Tool Corporation
    • Yu-Cheng Lin
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electronic accelerator of a motorized vehicle
    • Patent number 6,481,413
    • Issue date Nov 19, 2002
    • Hui-Lung Chang
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Transmission structure of gearbox of electrically actuated car
    • Patent number 6,427,797
    • Issue date Aug 6, 2002
    • Hui-Lung Chang
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Universal multi-socket ratchet wrench
    • Patent number 4,436,004
    • Issue date Mar 13, 1984
    • Hui-Huang Chang
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents