Patents by Inventor Hyun Sik Myung

Hyun Sik Myung has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Stainless steel separator for fuel cell having M/MNand MONlayer and method for manufacturing the same
    Patent number: 8524050
    Abstract: Disclosed herein is a method of manufacturing a stainless steel separator for a fuel cell. The stainless steel separator includes a stainless steel sheet, a first coating layer comprising metal/metal nitride films (M/MNx) (0.5?x?1) on a surface of the stainless steel sheet, and a second coating layer comprising a metal oxynitride film (MOyNz) (0.05?y?2, 0.25?z?1.0).
    Type: Grant
    Filed: December 8, 2011
    Date of Patent: September 3, 2013
    Assignee: Hyundai Hysco
    Inventors: Yoo Taek Jeon, Kyeong Woo Chung, Hyun Sik Myung, Yong Sik Yun, Jong In Park, Eun Young Kim
  • Stainless steel separator for fuel cell having M/MNand MONlayer and method for manufacturing the same
    Patent number: 8440368
    Abstract: Disclosed herein is a stainless steel separator for a fuel cell and method of manufacture. The stainless steel separator includes a stainless steel sheet, a first coating layer comprising metal/metal nitride films (M/MNx) (0.5?x?1) on a surface of the stainless steel sheet, and a second coating layer comprising a metal oxynitride film (MOyNz) (0.05?y?2, 0.25?z?1.0).
    Type: Grant
    Filed: November 23, 2009
    Date of Patent: May 14, 2013
    Assignee: Hyundai Hysco
    Inventors: Yoo Taek Jeon, Kyeong Woo Chung, Hyun Sik Myung, Yong Sik Yun, Jong In Park, Eun Young Kim
  • STAINLESS STEEL SEPARATOR FOR FUEL CELL HAVING M/MNX AND MOYNZ LAYER AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20120118724
    Abstract: Disclosed herein is a method of manufacturing a stainless steel separator for a fuel cell. The stainless steel separator includes a stainless steel sheet, a first coating layer comprising metal/metal nitride films (M/MNx) (0.5?x?1) on a surface of the stainless steel sheet, and a second coating layer comprising a metal oxynitride film (MOyNz) (0.05?y?2, 0.25?z?1.0).
    Type: Application
    Filed: December 8, 2011
    Publication date: May 17, 2012
    Inventors: YOO TAEK JEON, Kyeong Woo Chung, Hyun Sik Myung, Yong Sik Yun, Jong In Park, Eun Young Kim
  • STAINLESS STEEL SEPARATOR FOR FUEL CELL HAVING M/MNx AND MOyNz LAYER AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20110065024
    Abstract: Disclosed herein is a stainless steel separator for a fuel cell and method of manufacture. The stainless steel separator includes a stainless steel sheet, a first coating layer comprising metal/metal nitride films (M/MNx) (0.5?x?1) on a surface of the stainless steel sheet, and a second coating layer comprising a metal oxynitride film (MOyNz) (0.05?y?2, 0.25?z?1.0).
    Type: Application
    Filed: November 23, 2009
    Publication date: March 17, 2011
    Inventors: Yoo Taek Jeon, Kyeong Woo Chung, Hyun Sik Myung, Yong Sik Yun, Jong In Park, Eun Young Kim