Patents by Inventor Yuan-Huan Tsai

Yuan-Huan Tsai 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).

  • Portable electronic book
    Patent number: D449606
    Type: Grant
    Filed: November 9, 2000
    Date of Patent: October 23, 2001
    Assignee: Future Display Systems, Inc.
    Inventors: Chuan-Jung Lee, Yuan-Huan Tsai, Chih-Chuan Sun, Ming-Hsien Wang
  • Desktop electronic book
    Patent number: D454870
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: March 26, 2002
    Assignee: Future Display Systems, Inc.
    Inventors: Chuan-Jung Lee, Yuan-Huan Tsai, Chih-Chuan Sun, Ming-Hsien Wang