Patents by Inventor Joji Amitani

Joji Amitani 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).

  • Process unit and a multi-color image forming apparatus using the same
    Patent number: 5014094
    Abstract: A color image forming apparatus that can detachably receive a plurality of process units into associated ones of a plurality of color image forming stations. Each of such detachable process units effects imaging in one of a plurality of different colors. The units are substantially identical in structure, configuration, and dimension, but differ with respect to indexing elements which allow each unit to be set only at its proper color image forming station in the image forming apparatus.
    Type: Grant
    Filed: April 30, 1990
    Date of Patent: May 7, 1991
    Assignee: Canon Kabushiki Kaisha
    Inventors: Joji Amitani, Osamu Hoshino
  • Actuating device
    Patent number: 4707642
    Abstract: An actuating device comprises a three-dimensionally movable member, a support member for supporting the movable member and an induction unit for imparting an induction force to at least one of the movable member and the support member to three-dimensionally move the movable member relative to the support member.
    Type: Grant
    Filed: October 14, 1985
    Date of Patent: November 17, 1987
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kanehiro Sorimachi, Joji Amitani
  • Cleaning device
    Patent number: 4314756
    Abstract: This invention provides a cleaning device for an image bearing member which is able to effect a good cleaning without scattering removed developer. The device includes an elastic cleaning blade contacting the image bearing member, hood means covering the vicinity of the portion where the blade contacts the surface of the image bearing member, suction means and guiding means for guiding an air flow to strike against said blade contacting portion.
    Type: Grant
    Filed: August 30, 1979
    Date of Patent: February 9, 1982
    Assignee: Canon Kabushiki Kaisha
    Inventors: Joji Amitani, Takashi Ito, Kazuhiro Hirayama