Patents by Inventor Noboru Narita

Noboru Narita 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).

  • Screen photosensitive member and electrophotographic method
    Patent number: 4308331
    Abstract: The invention concerns a screen photosensitive member, and an electrophotographic method using such screen photosensitive member, and relates to improvement in the screen constructed with an electrically conductive member, a photoconductive layer provided on the electrically conductive member, and a surface insulative layer constituting the screen surface at the side opposite to at least a modulating corona source. More particularly, the screen according to the present invention is further provided, at the side of the modulating corona source, with a potential holding layer which holds thereon corona ions applied to it and maintains the surface of the screen at the side of the modulating corona source at a predetermined potential.
    Type: Grant
    Filed: July 9, 1979
    Date of Patent: December 29, 1981
    Assignee: Canon Kabushiki Kaisha
    Inventors: Noboru Narita, Keiichi Murai, Teruo Misumi
  • Rear projection screen
    Patent number: 4174883
    Abstract: A rear projection screen comprises a light scattering member composed of a melted mixture containing at least two high polymers having different refractive indexes.
    Type: Grant
    Filed: December 14, 1977
    Date of Patent: November 20, 1979
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyuki Imataki, Hitoshi Toma, Noboru Narita