Patents by Inventor Yutaka Shiino

Yutaka Shiino 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).

  • Patent number: 5233399
    Abstract: In a cleaning unit for an image forming apparatus, a housing; a brush, whose sectional profile is circular; the housing containing a photosensitive body which rotates; the brush included in the housing; an auger for discharging recovered toner separated from a surface of the photosensitive body by the brush; the auger disposed obliquely below the brush; and a flicker for scraping off the toner adhering to the brush while containing an outer surface portion of the brush.
    Type: Grant
    Filed: July 10, 1992
    Date of Patent: August 3, 1993
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Yutaka Shiino, Tsutomu Tetsuka
  • Patent number: 5066976
    Abstract: An image forming apparatus comprises an apparatus body having a guide rail and a print cartridge movable along the guide rail, in which the guide rail has an engaging portion, the print cartridge includes a holder member and a cover for covering the holder member, the cover having a notched portion and the holder member having an engagement portion which is adapted to be pushed so as to be engaged with the engaging portion of the guide rail, the holder member having an operating portion which is responsive to the engagement of the engagement portion with the engaging portion so as to be moved into and out of the cover through said notched portion of the cover. Since the print cartridge slides along the guide rail provided on the apparatus body, and therefore the print cartridge can be easily attached to and detached from the apparatus body.
    Type: Grant
    Filed: March 14, 1991
    Date of Patent: November 19, 1991
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Takashi Kanagawa, Yutaka Shiino, Tetsuya Furuyama