Patents by Inventor Ching W. Tang

Ching W. Tang 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).

  • Multilayer organic photovoltaic elements
    Patent number: 4164431
    Abstract: A novel multilayer, organic composition, a photovoltaic element fabricated therefrom having enhanced conversion efficiencies, and their use to generate power, are disclosed. Compounds with generally planar polycyclic nuclei such as organic photoconductive dyes comprise the several layers of the composition.
    Type: Grant
    Filed: May 18, 1978
    Date of Patent: August 14, 1979
    Assignee: Eastman Kodak Company
    Inventor: Ching W. Tang
  • Organic photovoltaic elements
    Patent number: 4125414
    Abstract: A photovoltaic element featuring a photoconductive composition comprising an electrically insulating binder, an organic dye, and an organic photoconductor is disclosed. The photovoltaic element has superior conversion efficiencies compared to other organic photovoltaic elements.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: November 14, 1978
    Assignee: Eastman Kodak Company
    Inventors: Ching W. Tang, Alfred P. Marchetti, Ralph H. Young