Patents by Inventor O Gon Chun

O Gon Chun 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).

  • Dielectric filter having resonators arranged in series
    Patent number: 6326867
    Abstract: The present invention provides a dielectric filter having a dielectric block, and a plurality of resonators formed within the dielectric block, each of the resonators having a first and second through holes formed vertically through the dielectric block and arranged in series along longitudinal axis of the dielectric block and a coupling portion electrically connecting an end of the first through hole to an end of the second through hole.
    Type: Grant
    Filed: December 30, 1999
    Date of Patent: December 4, 2001
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Chang Hwa Lee, Bon Hee Koo, O Gon Chun, Dong Seok Jeon, Sang Seok Lee