Patents by Inventor Ching-ju Wen

Ching-ju Wen 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).

  • Composite luminescent material
    Patent number: 5858538
    Abstract: A composite material having at least one fullerene layer and at least one layer of an auxiliary substance provided on the fullerene layer and selected from metals metalloids, metal compounds, metalloid compounds and mixtures thereof. The auxiliary substance layer is formed by sputtering. The composite material emits strong luminescence when irradiated with an argon laser.
    Type: Grant
    Filed: December 24, 1996
    Date of Patent: January 12, 1999
    Assignee: Director-General of Agency of Industrial Science & Technology
    Inventors: Ching-ju Wen, Nobutsugu Minami