Patents by Inventor Hiroyasu Seita

Hiroyasu Seita 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).

  • Cleaning blade for use in electrophotography, process cartridge and image forming apparatus
    Patent number: 5646718
    Abstract: A cleaning device for an electrophotographic apparatus including an image carrier has a cleaning blade with an edge slidably contracting with an image carrier to remove foreign matter remaining on a surface of the image carrier. A lubricant including indefinite-form lubricant particles is applied to zones on the edges of the cleaning blade near both longitudinal ends of the cleaning blade and a lubricant including spherical lubricant particles is applied to a zone on the edge of the cleaning blade between the zones to which the lubricant including indefinite-form lubricant particles has been applied. A process cartridge includes the cleaning device, and an image forming apparatus incorporates the process cartridge.
    Type: Grant
    Filed: July 2, 1996
    Date of Patent: July 8, 1997
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koichi Suwa, Junichi Kato, Tadashi Onimura, Satoru Inami, Jun Suzuki, Atsutoshi Ando, Hiroyasu Seita