Patents by Inventor Yong-Shin Hwang

Yong-Shin Hwang 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).

  • Separator for fuel cell and fuel cell comprising the same
    Patent number: 8460840
    Abstract: A separator for a fuel cell is provided. The separator comprises a flow path member and a base separator. The flow path member is made of a graphite foil and has a flow path through which fluids pass. The base separator has a seating recess formed on the surface thereof. The flow path member is mounted in the seating recess. The flow path is formed by pressing the graphite foil. The separator can be produced at reduced processing cost in a short processing time.
    Type: Grant
    Filed: December 21, 2009
    Date of Patent: June 11, 2013
    Assignee: XFC Inc.
    Inventors: Ju-Hyung Lee, Yong-Shin Hwang, Suk-Won Cha, Jong-Won Choi
  • SEPARATOR FOR FUEL CELL AND FUEL CELL COMPRISING THE SAME
    Publication number: 20100159358
    Abstract: A separator for a fuel cell is provided. The separator comprises a flow path member and a base separator. The flow path member is made of a graphite foil and has a flow path through which fluids pass. The base separator has a seating recess formed on the surface thereof. The flow path member is mounted in the seating recess. The flow path is formed by pressing the graphite foil. The separator can be produced at reduced processing cost in a short processing time.
    Type: Application
    Filed: December 21, 2009
    Publication date: June 24, 2010
    Inventors: Ju-Hyung Lee, Yong-Shin Hwang, Suk-Won Cha, Jong-Won Choi