Patents by Inventor Guo Chang Jie

Guo Chang Jie 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).

  • Method and apparatus for filtering short message system spam
    Patent number: 7729710
    Abstract: A method for filtering spam directed at mobile phones in a short message system (SMS). A short message includes message content, and both a mobile phone number and a first authentication code of a destination mobile phone. A second authentication code of the destination mobile phone is stored in a memory. The short message is received and the first authentication code and the second authentication code are extracted from the short message and the memory, respectively. If it is ascertained that the extracted first authentication code does not match the extracted second authentication code, then the short message is determined to be SMS spam and is prevented from being subsequently received by the destination mobile phone. Otherwise the short message is determined to not be SMS spam and is not prevented from being subsequently received by the destination mobile phone. An authentication apparatus within the SMS performs the method.
    Type: Grant
    Filed: March 16, 2007
    Date of Patent: June 1, 2010
    Assignee: International Business Machines Corporation
    Inventors: Guo Chang Jie, Song Song, Pei Sun
  • METHOD AND APPARATUS FOR FILTERING SHORT MESSAGE SYSTEM SPAM
    Publication number: 20070254683
    Abstract: A method for filtering spam directed at mobile phones in a short message system (SMS). A short message includes message content, and both a mobile phone number and a first authentication code of a destination mobile phone. A second authentication code of the destination mobile phone is stored in a memory. The short message is received and the first authentication code and the second authentication code are extracted from the short message and the memory, respectively. If it is ascertained that the extracted first authentication code does not match the extracted second authentication code, then the short message is determined to be SMS spam and is prevented from being subsequently received by the destination mobile phone. Otherwise the short message is determined to not be SMS spam and is not prevented from being subsequently received by the destination mobile phone. An authentication apparatus within the SMS performs the method.
    Type: Application
    Filed: March 16, 2007
    Publication date: November 1, 2007
    Inventors: Guo Chang Jie, Song Song, Pei Sun