Patents by Inventor Hwa-joon Roh

Hwa-joon Roh 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).

  • Portable phone
    Patent number: D568857
    Type: Grant
    Filed: August 30, 2006
    Date of Patent: May 13, 2008
    Assignee: Pantech & Curitel Communications, Inc.
    Inventor: Hwa-joon Roh