Patents by Inventor Xiaotan He

Xiaotan He 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 maintaining data integrity
    Patent number: 7039649
    Abstract: Techniques are provided for controlling data access to maintain data integrity. A request is received to perform an action on a data element. The request is analyzed based on at least one data access rule associated with the data element. This analysis further utilizes a data structure model associated with the data element. The request is approved if the request satisfies the data access rule. The request is rejected if the request does not satisfy the data access rule.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: May 2, 2006
    Assignee: Sun Microsystems, Inc.
    Inventors: Jian Cai, Xiaotan He
  • Method and apparatus for maintaining data integrity
    Publication number: 20030217164
    Abstract: Techniques are provided for controlling data access to maintain data integrity. A request is received to perform an action on a data element. The request is analyzed based on at least one data access rule associated with the data element. This analysis further utilizes a data structure model associated with the data element. The request is approved if the request satisfies the data access rule. The request is rejected if the request does not satisfy the data access rule.
    Type: Application
    Filed: May 17, 2002
    Publication date: November 20, 2003
    Inventors: Jian Cai, Xiaotan He