Patents by Inventor Tzu-Kuei Chang

Tzu-Kuei Chang 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).

  • Electroluminescent Frisbee
    Publication number: 20040141311
    Abstract: An EL Frisbee is composed of a main body and an electroluminescent device. The electroluminescent device includes at least one electroluminescent plate secured on the main body.
    Type: Application
    Filed: June 20, 2003
    Publication date: July 22, 2004
    Applicant: Chen, Chung-Jung
    Inventors: Chung-Jung Chen, Tzu-Kuei Chang, Yang-Chou Lai, Chi-Chen Wu