Patents by Inventor Kai-Han Yang

Kai-Han 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: 20110119746
    Abstract: An identity verification method includes the steps of: i) in response to a login request from a user end, generating and providing a query to the user end; and ii) in response to an answer from the user end, verifying identity of the user end. The query includes indices of a verification table corresponding to the user end that are arranged in a random order in a ring formation, and requires the user end to provide an answer containing code contents of the table corresponding to a user-end selected set of adjacent ones of the indices in the ring formation. Identity of the user end is verified by determining whether the code contents in the answer are found in the table and whether the indices corresponding to the code contents in the answer are adjacent to each other with reference to the ring formation in the query.
    Type: Application
    Filed: November 11, 2010
    Publication date: May 19, 2011
    Inventor: Kai-Han Yang