Patents by Inventor Itoh Akira

Itoh Akira 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).

  • Electrophotographic photosensitive material
    Patent number: 4030921
    Abstract: There is described an electrophotographic photosensitive material including a conductive backing and a photosensitive layer, the photosensitive layer being formed of a photoconductive material, a resin binder, and a fluorine-contained resin. The fluorine-contained resin is a polymer or copolymer having a fluorine-contained monomer as its structural units and is preferably soluble in solvent.
    Type: Grant
    Filed: November 10, 1975
    Date of Patent: June 21, 1977
    Assignee: Konishiroku Photo Industry Co., Ltd.
    Inventors: Kato Akira, Itoh Akira, Uchida Tohru, Ishihara Masao