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Doo-Won Han

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  • Seoul, KR
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    WATER PURIFIER
    • Publication number 20240067535
    • Publication date Feb 29, 2024
    • COWAY CO., LTD.
    • Ki Hong MIN
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Application

    STOPPER APPARATUS FOR VEHICLE TAILGATE
    • Publication number 20190162005
    • Publication date May 30, 2019
    • Hyundai Motor Company
    • Doo Hee Han
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    WATER TREATMENT APPARATUS
    • Publication number 20160200612
    • Publication date Jul 14, 2016
    • COWAY CO., LTD.
    • Jun-Young LEE
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    SPIRAL WOUND TYPE FILTER CARTRIDGE
    • Publication number 20130299410
    • Publication date Nov 14, 2013
    • COWAY CO., LTD.
    • Sun-Yong LEE
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    FILTER CARTRIDGE
    • Publication number 20130213878
    • Publication date Aug 22, 2013
    • COWAY CO., LTD.
    • Doo-Won Han
    • B82 - NANO-TECHNOLOGY
  • Information Patent Application

    SPIRAL WOUND TYPE FILTER CARTRIDGE
    • Publication number 20110062076
    • Publication date Mar 17, 2011
    • WOONGJINCOWAY CO., LTD.
    • Sun-Yong Lee
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Polyamide Reverse Osmosis Composite Membrane and Preparation Method...
    • Publication number 20080237118
    • Publication date Oct 2, 2008
    • Moo-Kyung Moon
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...