Patents by Inventor Ki Seong Roh

Ki Seong Roh 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).

  • Light emitting diode (LED) lamp device
    Patent number: D889717
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: July 7, 2020
    Assignee: GIGATERA INC.
    Inventors: Duk-Yong Kim, Hyun Ki Kim, Tai Woo Lee, Ki Seong Roh, Sang Cheol Lee
  • Light emitting diode (LED) lamp device
    Patent number: D889718
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: July 7, 2020
    Assignee: GIGATERA INC.
    Inventors: Duk-Yong Kim, Hyun Ki Kim, Ki Seong Roh, Sang Cheol Lee
  • Light emitting diode (LED) lamp device
    Patent number: D889719
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: July 7, 2020
    Assignee: GIGATERA INC.
    Inventors: Duk-Yong Kim, Hyun Ki Kim, Ki Seong Roh, Sang Cheol Lee