Patents by Inventor Jae-Sup Kwak

Jae-Sup Kwak 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).

  • Apparatus and method for multi-access conference call in exchange system
    Patent number: 6522739
    Abstract: A multi-access conference call apparatus and method in an exchange system.
    Type: Grant
    Filed: December 29, 1999
    Date of Patent: February 18, 2003
    Assignee: Samsung Thales Co., Ltd.
    Inventors: Jin-Hyun Kwon, Byung-Wook Park, Tae-Wan Kim, Jae-Sup Kwak, Joon Eom