Patents by Inventor Tong-Liang Zhang

Tong-Liang Zhang 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).

  • System and method for unified data access of financial data
    Patent number: 6606637
    Abstract: A system for accessing financial data that is suitable for data of different formats from disparate sources. Real-time financial information or data is stored and arranged in a data model with table and column schema in a standard suitable for use with an OLE DB provider programmed to access financial information. Accordingly, different types of financial information from disparate sources may be integrated and readily accessed. Specifically, the present invention is directed to a real-time OLE DB provider data model that is divided into different tables categorized into records, pages, time series and context information.
    Type: Grant
    Filed: August 1, 2000
    Date of Patent: August 12, 2003
    Assignee: Reuters America, Inc.
    Inventors: Martin Hill, John Merrick, Tong-Liang Zhang, Vladimir Vints