Patents by Inventor Nam Ik Im

Nam Ik Im 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).

  • MOLDING MATERIAL FOR FUEL CELL SEPARATOR
    Publication number: 20140134520
    Abstract: The present invention relates to a molding material for a fuel cell separator including a graphite complex having a mixture of expandable graphite and non-expandable graphite; at least one of the conductive fillers selected from the group consisting of carbon black, carbon fiber and carbon nanotube; and at least one resin selected from a thermoplastic resin and thermosetting resin. With the present invention, both the mechanical strength and electrical conductivity of the fuel cell separator can be simultaneously improved.
    Type: Application
    Filed: January 17, 2014
    Publication date: May 15, 2014
    Inventors: Nam Ik IM, Kwang Yong LEE, Jeong Heon KIM, Ho Sub LEE, Sung Hun RYU
  • MOLDING MATERIAL FOR FUEL CELL SEPARATOR
    Publication number: 20100129695
    Abstract: The present invention relates to a molding material for a fuel cell separator including a graphite complex having a mixture of expandable graphite and non-expandable graphite; at least one of the conductive fillers selected from the group consisting of carbon black, carbon fiber and carbon nanotube; and at least one resin selected from a thermoplastic resin and thermosetting resin. With the present invention, both the mechanical strength and electrical conductivity of the fuel cell separator can be simultaneously improved.
    Type: Application
    Filed: June 29, 2009
    Publication date: May 27, 2010
    Applicant: Hankook Tire Co., Ltd., a Korean Corporation
    Inventors: Nam Ik Im, Kwang Yong Lee, Jeong Heon Kim, Ho Sub Lee, Sung Hun Ryu