Patents by Inventor Shigeru Kishino

Shigeru Kishino 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).

  • Dye sensitized titanium dioxide electrophotographic photosensitive materials
    Patent number: 4386146
    Abstract: In an electrophotographic photosensitive material comprising an electroconductive substrate having positioned thereon a photosensitive layer comprising as main components titanium dioxide and a binding material, the photosensitivity and whiteness can be improved by allowing a specific cyanine dye compound to exist in said photosensitive layer.
    Type: Grant
    Filed: October 20, 1981
    Date of Patent: May 31, 1983
    Assignee: Ishihara Sangyo Kaisha, Ltd.
    Inventors: Shigeru Kishino, Shigeo Yasui, Kei Takahata, Masakuni Ohkawa