Patents by Inventor Ra Yang

Ra Yang 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).

  • Publication number: 20070016477
    Abstract: The present invention relates to an online advertising method and an online advertising system, and more particularly, relates to an online advertising method and an online advertising system using a knowledge providing service system which enables knowledge to be provided through questions and answers between users.
    Type: Application
    Filed: June 30, 2006
    Publication date: January 18, 2007
    Inventors: Ra Yang, Mi Choi, Woo Lee