Patents by Inventor In-Yeup Song

In-Yeup Song 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: 9666939
    Abstract: Disclosed is an antenna bandwidth expander capable of improving transmission/reception performance of a wireless communication device by expanding a bandwidth of an antenna in which broadband frequency characteristics including various communication bands are necessary like an LTE smartphone. The antenna bandwidth expander may improve the transmission and reception performance of a terminal by easily and conveniently expanding a bandwidth of an antenna in first and second resonant frequency bands.
    Type: Grant
    Filed: January 4, 2016
    Date of Patent: May 30, 2017
    Assignees: Joinset Co., Ltd.
    Inventors: Jong-Cheol Yoon, Sun-Ki Kim, In-Yeup Song
  • Publication number: 20160240918
    Abstract: Disclosed is an antenna bandwidth expander capable of improving transmission/reception performance of a wireless communication device by expanding a bandwidth of an antenna in which broadband frequency characteristics including various communication bands are necessary like an LTE smartphone. The antenna bandwidth expander may improve the transmission and reception performance of a terminal by easily and conveniently expanding a bandwidth of an antenna in first and second resonant frequency bands.
    Type: Application
    Filed: January 4, 2016
    Publication date: August 18, 2016
    Inventors: Jong-Cheol Yoon, Sun-Ki Kim, In-Yeup Song