Patents by Inventor Zixin Su

Zixin Su 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).

  • Calendar calculator
    Patent number: D490100
    Type: Grant
    Filed: April 2, 2003
    Date of Patent: May 18, 2004
    Assignee: Shenzhen Highstar Electrical Co., Ltd.
    Inventors: Zixin Su, Jie Yang