Patents by Inventor Hyun Sun Yu

Hyun Sun Yu 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: 7599994
    Abstract: A system and method for emailing and chatting comprising a pair of web browsers of the sender and the receiver, Internet contacting units for connecting to the web browsers, an email server for sending-receiving email between the sender and the receiver, and a chatting-mailing server for emailing and chatting between the sender and the receiver is disclosed.
    Type: Grant
    Filed: August 24, 2005
    Date of Patent: October 6, 2009
    Inventors: Chul Hwa Paik, Hyun Sun Yu
  • Publication number: 20020065887
    Abstract: The inventive simultaneously executing post office protocol e-mailing and chatting system comprises a pair of web browsers of the sender and the receiver, the Internet contacting units for connecting to the web browsers, an e-mail server for sending-receiving of e-mail between the sender and the receiver, and a chatting-mailing server for simultaneously post office protocol executing e-mailing and chatting between the sender and the receiver.
    Type: Application
    Filed: May 16, 2001
    Publication date: May 30, 2002
    Inventors: Chul Hwa Paik, Hyun Sun Yu