Patents by Inventor Toshiya Natsuhasra

Toshiya Natsuhasra 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).

  • Triboelectrically charging member
    Patent number: 4847653
    Abstract: The disclosure relates to a triboelectrically charging member including a surface formed with an amorphous carbon film containing at least carbon, hydrogen and fluorine atoms. The amorphous carbon film is formed by plasma polymerization with a glow discharge method.The triboelectrically charging member of the present invention has high hardness, is excellent in friction resistance and can retain a good copy image quality over time.
    Type: Grant
    Filed: March 4, 1988
    Date of Patent: July 11, 1989
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Isao Doi, Hideo Hotomi, Toshiya Natsuhasra