Patents by Inventor Hye-Won Yim

Hye-Won Yim 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 providing mobile instant messaging service
    Patent number: 8145257
    Abstract: The present invention relates to apparatus and method for providing a mobile instant messaging service. The apparatus includes a buddy status managing unit for recording and managing a status information of at least one mobile messenger subscriber; a buddy list managing unit cooperating with the buddy status managing unit for managing a buddy list of the mobile messenger subscriber based on a telephone number, and providing the buddy list to the mobile messenger subscriber; and a chatting service unit for providing a chatting service between the mobile messenger subscriber and a buddy selected by the mobile messenger subscriber in the buddy list provided to the mobile messenger subscriber by the buddy list managing unit.
    Type: Grant
    Filed: June 29, 2007
    Date of Patent: March 27, 2012
    Assignee: KTFreetel Co., Ltd.
    Inventors: Hye-Won Yim, Hyung-Sun Kim, Thai-Shik Yang
  • APPARATUS AND METHOD FOR PROVIDING MOBILE INSTANT MESSAGING SERVICE
    Publication number: 20090186638
    Abstract: The present invention relates to apparatus and method for providing a mobile instant messaging service. The apparatus includes a buddy status managing unit for recording and managing a status information of at least one mobile messenger subscriber; a buddy list managing unit cooperating with the buddy status managing unit for managing a buddy list of the mobile messenger subscriber based on a telephone number, and providing the buddy list to the mobile messenger subscriber; and a chatting service unit for providing a chatting service between the mobile messenger subscriber and a buddy selected by the mobile messenger subscriber in the buddy list provided to the mobile messenger subscriber by the buddy list managing unit.
    Type: Application
    Filed: June 29, 2007
    Publication date: July 23, 2009
    Inventors: Hye-Won Yim, Hyung-Sun Kim, Thai-Shik Yang