Patents by Inventor Wi Hoon Youn

Wi Hoon Youn 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).

  • Patent number: 9449349
    Abstract: A method of updating a scroll bar in a screen of a user terminal according to an embodiment of the present invention may include displaying a chat window including at least a portion of a chat history among users in a first display area of a touch display, displaying a scroll bar in a second display area of the touch display, storing the new chat message in a temporary memory temporarily upon receipt of the new chatting message, adding the new chat message into the chat history in response to a touch event of the user on the touch display, and updating the scroll bar in response to the new chat message being added into the chat history.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: September 20, 2016
    Assignee: Kakao Corp.
    Inventors: Chang Hee Park, In Young Oh, Wi Hoon Youn, Bo Hwan Jeon, Sang Hyuk Lee
  • Publication number: 20130073990
    Abstract: A method of updating a scroll bar in a screen of a user terminal according to an embodiment of the present invention may include displaying a chat window including at least a portion of a chat history among users in a first display area of a touch display, displaying a scroll bar in a second display area of the touch display, storing the new chat message in a temporary memory temporarily upon receipt of the new chatting message, adding the new chat message into the chat history in response to a touch event of the user on the touch display, and updating the scroll bar in response to the new chat message being added into the chat history.
    Type: Application
    Filed: September 14, 2012
    Publication date: March 21, 2013
    Inventors: Chang Hee Park, In Young Oh, Wi Hoon Youn, Bo Hwan Jeon, Sang Hyuk Lee