Patents by Inventor Yuan-Pei Chien

Yuan-Pei Chien 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).

  • Patent number: D446552
    Type: Grant
    Filed: October 20, 1999
    Date of Patent: August 14, 2001
    Inventors: Cheng-Chien Lin, Yuan-Pei Chien