Patents by Inventor Dahora LEE

Dahora LEE 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).

  • Porous separator including plurality of porous patterns, method for preparing the same, and fuel cell using the same
    Patent number: 10868314
    Abstract: A method of preparing a porous separator for a fuel cell, including preparing a plurality of porous pattern structures, each porous pattern structure includes a plurality of regularly repeated unit holes and a center axis passing through a center of one unit hole and through a center of another unit hole adjacent to the one unit hole, and stacking the plurality of porous pattern structures, wherein a center axis of one porous pattern structure and a center axis of another porous pattern structure adjacent to the one porous pattern structure are spaced apart from each other or intersect to form an angle of larger than 0° but lower than 90°.
    Type: Grant
    Filed: May 8, 2017
    Date of Patent: December 15, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Dahora Lee, Jae Choon Yang
  • PREPARATION METHOD OF POROUS SEPARATOR FOR FUEL CELL AND POROUS SEPARATOR FOR FUEL CELL
    Publication number: 20190148742
    Abstract: A method of preparing a porous separator for a fuel cell, including preparing a plurality of porous pattern structures, each porous pattern structure includes a plurality of regularly repeated unit holes and a center axis passing through a center of one unit hole and through a center of another unit hole adjacent to the one unit hole, and stacking the plurality of porous pattern structures, wherein a center axis of one porous pattern structure and a center axis of another porous pattern structure adjacent to the one porous pattern structure are spaced apart from each other or intersect to form an angle of larger than 0° but lower than 90°.
    Type: Application
    Filed: May 8, 2017
    Publication date: May 16, 2019
    Applicant: LG CHEM, LTD.
    Inventors: Dahora LEE, Jae Choon YANG