Patents by Inventor Hisahiro Saitou

Hisahiro Saitou 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 of forming a multicolor toner image on a photoreceptor and transferring the formed image to a recording sheet
    Patent number: 5459563
    Abstract: An image forming machine such as a copier or a printer for forming a multi-color toner image on a photoreceptor.
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: October 17, 1995
    Assignee: Konica Corporation
    Inventors: Hiroshi Fuma, Hisahiro Saitou, Mikihiko Takada
  • Image forming apparatus having controlled transfer unit
    Patent number: 5300984
    Abstract: A transfer device for use in a copying machine includes a rotatable belt to convey a sheet to a transfer station and a conductive brush to provide the sheet with an electric charge so that the sheet is attracted onto the belt. An electric current passing through the brush is detected and a transfer condition for the sheet is controlled on the basis of the detected electric current.
    Type: Grant
    Filed: December 29, 1992
    Date of Patent: April 5, 1994
    Assignee: Konica Corporation
    Inventors: Hiroshi Fuma, Hisahiro Saitou, Mikihiko Takada