Patents by Inventor In Jun Choi

In Jun Choi 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).

  • CAPACITANCE MEASURING CIRCUIT FOR TOUCH SENSOR
    Publication number: 20110187389
    Abstract: Disclosed herein is a capacitance measuring circuit for a touch sensor.
    Type: Application
    Filed: September 10, 2008
    Publication date: August 4, 2011
    Applicant: POINTCHIPS CO., LTD.
    Inventors: Sang Hyun Han, Do Yeun Na, In Jun Choi