Patents by Inventor Won Hak Cho

Won Hak Cho 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).

  • Patent number: 12287191
    Abstract: Disclosed herein is a roundness measuring device and a roundness measuring method of a coating roll for battery manufacturing. The roundness measuring device of a coating roll that supports an electrode sheet when the electrode sheet is coated with an electrode slurry, the roundness measuring device comprising: a displacement sensor spaced apart from the coating roll and configured to measure roundness of the coating roll in a non-contact manner; and a support member on which the displacement sensor is installed and which extends in a length direction of the coating roll, wherein the displacement sensor is installed as a plurality of displacement sensors on the support member in the length direction of the coating roll.
    Type: Grant
    Filed: January 5, 2022
    Date of Patent: April 29, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Jae Young Sung, Joon Sun Park, Chae Gyu Lee, Duck Joong Yun, Jeong Yong Lee, Woo Jin An, Koo Youn Hwang, Won Hak Cho, Jin Ki Han
  • Publication number: 20230118174
    Abstract: Disclosed herein is a roundness measuring device and a roundness measuring method of a coating roll for battery manufacturing. The roundness measuring device of a coating roll that supports an electrode sheet when the electrode sheet is coated with an electrode slurry, the roundness measuring device comprising: a displacement sensor spaced apart from the coating roll and configured to measure roundness of the coating roll in a non-contact manner; and a support member on which the displacement sensor is installed and which extends in a length direction of the coating roll, wherein the displacement sensor is installed as a plurality of displacement sensors on the support member in the length direction of the coating roll.
    Type: Application
    Filed: January 5, 2022
    Publication date: April 20, 2023
    Applicant: LG Energy Solution, Ltd.
    Inventors: Jae Young Sung, Joon Sun Park, Chae Gyu Lee, Duck Joong Yun, Jeong Yong Lee, Woo Jin An, Koo Youn Hwang, Won Hak Cho, Jin Ki Han