Patents by Inventor Sam Hee Yu

Sam Hee Yu 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).

  • Heat treatment apparatus and method of membrane electrode assemblies
    Patent number: 11855323
    Abstract: A heat treatment apparatus of membrane electrode assemblies includes a base, a first member extending from the base in a first direction, and a plurality of second members formed on the base in a radially outward direction of the first member and having inner surfaces facing the first member, where the first member or the second members includes a heat wire member, and membrane electrode assemblies are disposed between the first member and the second members.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: December 26, 2023
    Assignees: Hyundai Motor Company, Kia Corporation
    Inventors: Min Jin Kim, Sam Hee Yu, Young June Park, Woo Jin Lee, Ki Sub Lee
  • HEAT TREATMENT APPARATUS AND METHOD OF MEMBRANE ELECTRODE ASSEMBLIES
    Publication number: 20230119289
    Abstract: A heat treatment apparatus of membrane electrode assemblies includes a base, a first member extending from the base in a first direction, and a plurality of second members formed on the base in a radially outward direction of the first member and having inner surfaces facing the first member, where the first member or the second members includes a heat wire member, and membrane electrode assemblies are disposed between the first member and the second members.
    Type: Application
    Filed: December 21, 2022
    Publication date: April 20, 2023
    Inventors: Min Jin Kim, Sam Hee Yu, Young June Park, Woo Jin Lee, Ki Sub Lee
  • Heat treatment apparatus and method of membrane electrode assemblies
    Patent number: 11569520
    Abstract: A heat treatment apparatus of membrane electrode assemblies includes a base, a first member extending from the base in a first direction, and a plurality of second members formed on the base in a radially outward direction of the first member and having inner surfaces facing the first member, where the first member or the second members includes a heat wire member, and membrane electrode assemblies are disposed between the first member and the second members.
    Type: Grant
    Filed: November 12, 2019
    Date of Patent: January 31, 2023
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventors: Min Jin Kim, Sam Hee Yu, Young June Park, Woo Jin Lee, Ki Sub Lee
  • HEAT TREATMENT APPARATUS AND METHOD OF MEMBRANE ELECTRODE ASSEMBLIES
    Publication number: 20200203743
    Abstract: A heat treatment apparatus of membrane electrode assemblies includes a base, a first member extending from the base in a first direction, and a plurality of second members formed on the base in a radially outward direction of the first member and having inner surfaces facing the first member, where the first member or the second members includes a heat wire member, and membrane electrode assemblies are disposed between the first member and the second members.
    Type: Application
    Filed: November 12, 2019
    Publication date: June 25, 2020
    Inventors: Min Jin Kim, Sam Hee Yu, Young June Park, Woo Jin Lee, Ki Sub Lee