Patents by Inventor Kang Sung Gu

Kang Sung Gu 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: 7053538
    Abstract: An electron-emitting device contains an emitter resistor layer patterned into multiple laterally separated sections situated between the electron-emissive elements, on one hand, and emitter electrodes, on the other hand. Sections of the seed layer are spaced apart along each emitter electrode to electrically decouple electron emission elements disposed on the resistor layer.
    Type: Grant
    Filed: February 20, 2002
    Date of Patent: May 30, 2006
    Assignee: cDream Corporation
    Inventors: Chang Chul Ha, Kang Sung Gu