Patents by Inventor Changmin Ma

Changmin Ma 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).

  • Mobile terminal with multiple batteries
    Patent number: 8433373
    Abstract: Embodiments of the present invention are related to a mobile terminal, the mobile terminal including: first and second batteries for supplying driving power to parts of the mobile terminal; a display for displaying an operational state of the mobile terminal to a user; and a controller for notifying the user of charged levels of the first and second batteries.
    Type: Grant
    Filed: July 8, 2010
    Date of Patent: April 30, 2013
    Assignee: LG Electronics Inc.
    Inventors: Yoomee Song, Seunghoon Lee, Yunghee Kim, Hyounkeun Kim, Changmin Ma, Jaedo Kwak, Byungkee Chae, Youngbak Kim
  • MOBILE TERMINAL WITH MULTIPLE BATTERIES
    Publication number: 20110009172
    Abstract: Embodiments of the present invention are related to a mobile terminal, the mobile terminal including: first and second batteries for supplying driving power to parts of the mobile terminal; a display for displaying an operational state of the mobile terminal to a user; and a controller for notifying the user of charged levels of the first and second batteries.
    Type: Application
    Filed: July 8, 2010
    Publication date: January 13, 2011
    Inventors: Yoomee Song, Seunghoon Lee, Yunghee Kim, Hyounkeun Kim, Changmin Ma, Jaedo Kwak, Byungkee Chae, Kim Youngbak