Patents by Inventor ZHI-XIANG XU

ZHI-XIANG XU 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 SIGNING AN ELECTRONIC DOCUMENT
    Publication number: 20100161693
    Abstract: A system and method for signing an electronic document obtains a signing tag and document content from a data base to generate an extensible markup language (XML) file of the electronic document. The system and method further converts the XML file to an extensible stylesheet language formatting objects (XSL-FO) file, and converts the XSL-FO file to a portable document format (PDF) file. Furthermore, the method obtains a signing position of the PDF file according to the signing tag and inserts an electronic signature into the PDF file according to the signing position.
    Type: Application
    Filed: July 28, 2009
    Publication date: June 24, 2010
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: CHUNG-I LEE, XIN-YU HUANG, LV-HONG WU, ZHI-XIANG XU