Patents by Inventor Yong-Dai Lee

Yong-Dai 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).

  • Patent number: 9252623
    Abstract: A battery pack includes a secondary battery; and a protection device including: a measurement unit coupled to the secondary battery and configured to measure a temperature and a voltage of the secondary battery; a temperature estimation unit coupled to the measurement unit and configured to estimate a future temperature of the secondary battery; and a charging/discharging unit coupled to the secondary battery and configured to adjust a current or an input voltage applied to the secondary battery based on the future temperature and the voltage of the secondary battery.
    Type: Grant
    Filed: August 1, 2013
    Date of Patent: February 2, 2016
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Se-Sub Sim, Susumu Segawa, Masami Omagari, Yong-Dai Lee, Jin-Wan Kim
  • Publication number: 20140084873
    Abstract: A battery pack includes a secondary battery; and a protection device including: a measurement unit coupled to the secondary battery and configured to measure a temperature and a voltage of the secondary battery; a temperature estimation unit coupled to the measurement unit and configured to estimate a future temperature of the secondary battery; and a charging/discharging unit coupled to the secondary battery and configured to adjust a current or an input voltage applied to the secondary battery based on the future temperature and the voltage of the secondary battery.
    Type: Application
    Filed: August 1, 2013
    Publication date: March 27, 2014
    Applicant: Samsung SDI Co., Ltd.
    Inventors: Se-Sub Sim, Susumu Segawa, Masami Omagari, Yong-Dai Lee, Jin-Wan Kim