Patents by Inventor Sae Eun Lee

Sae Eun 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).

  • Winding apparatus and winding method for electrode connection film and electrode roll
    Patent number: 12689054
    Abstract: A bobbin installation unit includes a bobbin, a film supply unit configured to supply an electrode-connecting film to the bobbin, a transfer unit configured to transfer the electrode-connecting film installed in the film supply unit to the bobbin installation unit, an adhesive tape attaching unit installed above the bobbin installation unit and configured to attach an end portion of the electrode-connecting film drawn out to the transfer unit to the bobbin. It also includes a double-sided tape attaching unit configured to attach a double-sided tape to the electrode-connecting film wound on the bobbin, and a frame body on which the adhesive tape attaching unit and the double-sided tape attaching unit are movably installed.
    Type: Grant
    Filed: February 8, 2023
    Date of Patent: July 21, 2026
    Assignee: LG Energy Solution, Ltd.
    Inventors: In Chan Choi, Sang Eun Jun, Jin Ki Han, Seung Jae Won, Yong Jin Kim, Jae Kwang Jung, Sae Eun Lee, Jun Kyu Park
  • Winding Apparatus and Winding Method for Electrode Connection Film and Electrode Roll
    Publication number: 20240162472
    Abstract: A bobbin installation unit includes a bobbin, a film supply unit configured to supply an electrode-connecting film to the bobbin, a transfer unit configured to transfer the electrode-connecting film installed in the film supply unit to the bobbin installation unit, an adhesive tape attaching unit installed above the bobbin installation unit and configured to attach an end portion of the electrode-connecting film drawn out to the transfer unit to the bobbin. It also includes a double-sided tape attaching unit configured to attach a double-sided tape to the electrode-connecting film wound on the bobbin, and a frame body on which the adhesive tape attaching unit and the double-sided tape attaching unit are movably installed.
    Type: Application
    Filed: February 8, 2023
    Publication date: May 16, 2024
    Applicant: LG Energy Solution, Ltd.
    Inventors: In Chan Choi, Sang Eun Jun, Jin Ki Han, Seung Jae Won, Yong Jin Kim, Jae Kwang Jung, Sae Eun Lee, Jun Kyu Park