Patents by Inventor Ildu Kim

Ildu Kim 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).

  • Power amplifying apparatus using asymmetric power drive
    Patent number: 7342444
    Abstract: A power amplifying apparatus includes a Doherty amplifier having a carrier amplifier and a peaking amplifier connected in parallel, each having an input/output matching circuit and an asymmetric power driver for driving the carrier amplifier and the peaking amplifier using an asymmetric power driver.
    Type: Grant
    Filed: December 27, 2005
    Date of Patent: March 11, 2008
    Assignee: Postech Foundation
    Inventors: Bumman Kim, Jeonghyeon Cha, Jangheon Kim, Ildu Kim
  • Power amplifying apparatus using asymmetric power drive
    Publication number: 20060145757
    Abstract: A power amplifying apparatus includes a Doherty amplifier having a carrier amplifier and a peaking amplifier connected in parallel, each having an input/output matching circuit and an asymmetric power driver for driving the carrier amplifier and the peaking amplifier using an asymmetric power driver.
    Type: Application
    Filed: December 27, 2005
    Publication date: July 6, 2006
    Applicant: POSTECH FOUNDATION
    Inventors: Bumman Kim, Jeonghyeon Cha, Jangheon Kim, Ildu Kim