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Seokrak Chang

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  • Gyeonggi-do, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Monopolar separator with an insulation layer for a fuel cell system
    • Patent number 8,440,361
    • Issue date May 14, 2013
    • Samsung SDI Co., Ltd.
    • Youngseung Na
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Fuel cell system
    • Patent number 7,691,520
    • Issue date Apr 6, 2010
    • Samsung SDI Co., Ltd.
    • Seongjin An
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Patents Applicationslast 30 patents

  • Information Patent Application

    FUEL CELL SYSTEM
    • Publication number 20090053574
    • Publication date Feb 26, 2009
    • Youngseung Na
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    FUEL CELL SYSTEM
    • Publication number 20080233458
    • Publication date Sep 25, 2008
    • Parsons Brinckerhoff Limited
    • Seongjin An
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...