Patents by Inventor Ziquan Li

Ziquan Li 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: 20060253443
    Abstract: The subject invention relates to systems and methods that provide region-based security to database objects having hierarchical relationships. In one aspect, a system is provided that facilitates database security and management. The system includes a database component that stores a plurality of objects having a hierarchical relationship between the objects. A region component defines security zones for a subset of the objects and maps security data to the subset, wherein the security zones are independent, decoupled, or disassociated from the hierarchical relationships between the objects.
    Type: Application
    Filed: May 4, 2005
    Publication date: November 9, 2006
    Applicant: Microsoft Corporation
    Inventors: Ziquan Li, Tanmoy Dutta