Patents by Inventor Man Chul Han

Man Chul Han 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).

  • DIGITAL CARD SYSTEM BASED ON PLACE RECOGNITION FOR SUPPORTING COMMUNICATION
    Publication number: 20100219975
    Abstract: A digital card system based on place recognition for supporting communication, which enables people who cannot communicate by the way of speech or writing to communicate by using a digital cards, is provided. Therefore, a user can rapidly and simply search digital cards for communication in response to various situations.
    Type: Application
    Filed: August 5, 2009
    Publication date: September 2, 2010
    Inventors: Gun Hee Kim, Man Chul Han, Se Hyung Park, Hyun Chul Park, Lae Hyun Kim, Sung Do Ha