Patents by Inventor Nak Choon Lee

Nak Choon 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).

  • BUSBAR DIAGNOSIS DEVICE, BATTERY PACK, ENERGY STORAGE SYSTEM, AND BUSBAR DIAGNOSIS METHOD
    Publication number: 20230251315
    Abstract: A busbar diagnosis apparatus includes a plurality of voltage sensing pins, a battery monitoring circuit, a voltage sensing channel, a bypass unit and a control circuit to diagnose s busbar. A voltage of each of a plurality of battery cells of a first battery module and a plurality of battery cells of a second battery module is detected using a potential difference of every two adjacent voltage sensing pins, and the busbar is diagnosed based on a voltage history of each of the plurality of battery cells.
    Type: Application
    Filed: January 21, 2022
    Publication date: August 10, 2023
    Applicant: LG ENERGY SOLUTION, LTD.
    Inventors: Yong-Min JO, Nak-Choon LEE, Mu-Yeon LEE, Ju-Yeon JEONG
  • Integrated management and update method of DC-DC converter and battery management system (BMS) software installed in residential ESS
    Patent number: 10642597
    Abstract: The present disclosure relates to a method of managing and updating two different versions of software, and more particularly, to an integrated management and update method of software including integrating software of a DC-DC converter and a battery management system (BMS) installed in residential Energy Storage System (ESS) to generate and manage one integrated management package, and sequentially executing a software update procedure of the DC-DC converter and the BMS in the integrated management package.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: May 5, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Nak Choon Lee, Kyu Hyok Yim, Seong Keun Lee
  • INTEGRATED MANAGEMENT AND UPDATE METHOD OF DC-DC CONVERTER AND BATTERY MANAGEMENT SYSTEM (BMS) SOFTWARE INSTALLED IN RESIDENTIAL ESS
    Publication number: 20180157483
    Abstract: The present disclosure relates to a method of managing and updating two different versions of software, and more particularly, to an integrated management and update method of software including integrating software of a DC-DC converter and a battery management system (BMS) installed in residential Energy Storage System (ESS) to generate and manage one integrated management package, and sequentially executing a software update procedure of the DC-DC converter and the BMS in the integrated management package.
    Type: Application
    Filed: November 14, 2017
    Publication date: June 7, 2018
    Applicant: LG Chem, Ltd.
    Inventors: Nak Choon Lee, Kyu Hyok Yim, Seong Keun Lee