TREA

CHIEFWAY ENGINEERING CO., LTD.

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Organization

  • Taipei City, TW
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Light-regulation membrane
    • Patent number 8,390,766
    • Issue date Mar 5, 2013
    • Chiefway Engineering Co., Ltd.
    • Yung-Lung Wu
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHT-REGULATION MEMBRANE
    • Publication number 20110255035
    • Publication date Oct 20, 2011
    • CHIEFWAY ENGINEERING CO., LTD.
    • Yung-Lung Wu
    • G02 - OPTICS
  • Information Patent Application

    LIGHT-REGULATION MEMBRANE
    • Publication number 20080317977
    • Publication date Dec 25, 2008
    • CHIEFWAY ENGINEERING CO., LTD.
    • Yung-Lung Wu
    • G02 - OPTICS
  • Information Patent Application

    Light-adjusting film
    • Publication number 20080316381
    • Publication date Dec 25, 2008
    • Chiefway Engineering Co., Ltd.
    • Yung-Lung Wu
    • E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS