Patents by Inventor Kazuyuki Shinho

Kazuyuki Shinho 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).

  • Method and apparatus for forming a multicolor picture by electrophotography
    Patent number: 4959695
    Abstract: In a method and apparatus of forming a muticolor picture by electrophotography, first color toner, second color toner and third color toner are allowed to stick onto a photosensitive material according to the conventional method. Then after the surface of the photosensitive material is discharged to decrease the surface potential thereof, a fourth color toner is allowed to stick onto the photosensitive material, whereby mixing of the fourth color with the first, second and third colors is prevented.
    Type: Grant
    Filed: April 9, 1987
    Date of Patent: September 25, 1990
    Assignee: Asahi Kogaku Kogyo Kabushiki Kaisha
    Inventors: Katsuhiko Nishimura, Kazuyuki Shinho, Masahiro Kita