ARCMASK OPTECH CO., LTD

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  • TAOYUAN HSIEN, TW

Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ANTI-GLARE WELDING APPARATUS

    • Publication number 20220079812
    • Publication date Mar 17, 2022
    • ARCMASK OPTECH CO., LTD
    • Chien Hsing HSIEH
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    POWER SAVING WELDING HELMET

    • Publication number 20180360663
    • Publication date Dec 20, 2018
    • ARCMASK OPTECH CO., LTD
    • Chien-Hsing Hsieh
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    WELDING FILTER DEVICE AND CONTROL METHOD THEREOF

    • Publication number 20120176659
    • Publication date Jul 12, 2012
    • ARCMASK OPTECH CO., LTD
    • Chien-Hsing HSIEH
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE