Patents by Inventor Yun Seo Koo

Yun Seo Koo 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).

  • Bias circuitry
    Patent number: 9785180
    Abstract: Circuitry having a reference current generator and a reference current governor is disclosed. The reference current governor includes field effect transistors (FETs) that are sized such that a governor current governs a reference current flowing through the first FET to maintain the reference current within a desired reference current range.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: October 10, 2017
    Assignee: Qorvo US, Inc.
    Inventors: Peng Cheng, Yun Seo Koo, Cody Hale
  • BIAS CIRCUITRY
    Publication number: 20170262008
    Abstract: Circuitry having a reference current generator and a reference current governor is disclosed. The reference current governor includes field effect transistors (FETs) that are sized such that a governor current governs a reference current flowing through the first FET to maintain the reference current within a desired reference current range.
    Type: Application
    Filed: September 30, 2016
    Publication date: September 14, 2017
    Inventors: Peng Cheng, Yun Seo Koo, Cody Hale