Patents by Inventor Ki Woong Choi

Ki Woong Choi 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).

  • Publication number: 20240154127
    Abstract: A positive electrode including a positive electrode active material layer disposed on at least one surface of a positive electrode current collector, the positive electrode active material layer including a lithium transition metal phosphate, a fluorine-based binder, and a conductive material. The lithium transition metal phosphate includes a carbon coating layer formed on a surface thereof, and a ratio (B/A) of a total weight (B) of the fluorine-based binder to a total weight (A) of carbon of the conductive material and the lithium transition metal phosphate in the positive electrode active material layer is 0.7 to 1.7.
    Type: Application
    Filed: October 31, 2023
    Publication date: May 9, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: Geum Jae Han, O Jong Kwon, Kwang Jin Kim, Ki Woong Kim, In Gu An, Jung Hun Choi, Da Young Lee, Jin Su Sung, Jeong Hwa Park
  • Patent number: 10377105
    Abstract: A glass protective film includes a base film formed by melting a weak adhesive polymer to be adhered to a glass plate by weak adhesion; a first surface of the base film prepared into a weak adhesive surface, which is a mirror surface; and a second surface thereof prepared into a non-adhesive surface which is a rough bead surface. Beads for preparing the rough bead surface are hexagonal, rectangular or triangular beads or ball beads prepared by cutting a film; and the ceiling reach rate of the beads of the rough bead surface is 30% or more.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: August 13, 2019
    Assignee: Han Jin Printing & Chemical Co., Ltd.
    Inventors: Young Taek Kim, Nam Tae Kim, Seok Bong Lyu, Ki Woong Choi
  • Publication number: 20150224740
    Abstract: A glass protective film includes a base film formed by melting a weak adhesive polymer to be adhered to a glass plate by weak adhesion; a first surface of the base film prepared into a weak adhesive surface, which is a mirror surface; and a second surface thereof prepared into a non-adhesive surface which is a rough bead surface. Beads for preparing the rough bead surface are hexagonal, rectangular or triangular beads or ball beads prepared by cutting a film; and the ceiling reach rate of the beads of the rough bead surface is 30% or more.
    Type: Application
    Filed: April 16, 2013
    Publication date: August 13, 2015
    Applicant: HAN JIN PRINTING & CHEMICAL CO., LTD.
    Inventors: Young Taek Kim, Nam Tae Kim, Seok Bong Lyu, Ki Woong Choi