Patents by Inventor Jao O Kwak

Jao O Kwak 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).

  • Publication number: 20130039072
    Abstract: A lighting device may be provided that includes: a housing having a top opening and a bottom opening; an optical plate disposed in the top opening; heat sink disposed in the bottom opening; a driving unit which is received in the housing, disposed between the optical plate and the heat sink and receives external electric power; and light source which is received in the housing, disposed between the optical plate and the driving unit, spatially separated from the driving unit and is electrically connected to the driving unit.
    Type: Application
    Filed: August 9, 2012
    Publication date: February 14, 2013
    Inventors: Jae Jin Kim, Young Joo Ahn, Jao O Kwak, Ki Woong Kim