Patents by Inventor Guohua Ma

Guohua Ma 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).

  • Internet-based software license key
    Publication number: 20050144139
    Abstract: A method for enabling software to operate with hardware includes receiving a license key that has information regarding hardware configuration, software configuration, license key transaction history and license key warranty period. A software configuration is determined from the license key. It is then determined if the software configuration is within the license key warranty period. If it is the software is enabled with a time stamp based on the hardware configuration and the license warranty period.
    Type: Application
    Filed: December 24, 2003
    Publication date: June 30, 2005
    Inventors: James Zhuge, Guohua Ma, Jon Seaberg