Patents by Inventor Chengang Wu

Chengang Wu 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 system for authentication via communication terminal using short message
    Patent number: 8055558
    Abstract: The present invention discloses a method and a system for authentication via a communication terminal using short messages, in order to solve the problems that the content of a short message is easy to be leaked out by a proxy SP and that the loss and delay of a short message may lead to repeating user payments.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: November 8, 2011
    Assignee: Alibaba Group Holding Limited
    Inventors: Leiming Yuan, Chengang Wu
  • METHOD AND SYSTEM FOR AUTHENTICATION VIA COMMUNICATION TERMINAL USING SHORT MESSAGE
    Publication number: 20100082462
    Abstract: The present invention discloses a method and a system for authentication via a communication terminal using short messages, in order to solve the problems that the content of a short message is easy to be leaked out by a proxy SP and that the loss and delay of a short message may lead to repeating user payments.
    Type: Application
    Filed: January 17, 2008
    Publication date: April 1, 2010
    Inventors: Leiming Yuan, Chengang Wu