Patents by Inventor Bo-Wook Cho

Bo-Wook Cho 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).

  • Terminal unit for handling session on the basis of session initiation protocol, method of transmitting and receiving thereof
    Patent number: 8135845
    Abstract: According to the present invention, a service is configured by a plurality of sessions and respective session negotiation requests defined by different media formats can be performed without influencing existing connected sessions, and hence it is easy to add, delete, and change the media, the contact of session negotiation can be specified, and the response to the session negotiation request can be processed easily with the service acceptance or rejection of the contact.
    Type: Grant
    Filed: April 10, 2008
    Date of Patent: March 13, 2012
    Assignee: KT Corporation
    Inventors: Hyung-Jin Lee, Bo-Wook Cho, Chan-Min Park
  • TERMINAL UNIT FOR HANDLING SESSION ON THE BASIS OF SESSION INITIATION PROTOCOL, METHOD OF TRANSMITTING AND RECEIVING THEREOF
    Publication number: 20100023625
    Abstract: According to the present invention, a service is configured by a plurality of sessions and respective session negotiation requests defined by different media formats can be performed without influencing existing connected sessions, and hence it is easy to add, delete, and change the media, the contact of session negotiation can be specified, and the response to the session negotiation request can be processed easily with the service acceptance or rejection of the contact.
    Type: Application
    Filed: April 10, 2008
    Publication date: January 28, 2010
    Applicant: KT CORPORATION
    Inventors: Hyung-Jin Lee, Bo-Wook Cho, Chan-Min Park