Patents by Inventor Junichi Ooura

Junichi Ooura 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).

  • Cartridge discriminating system
    Patent number: 5184181
    Abstract: The present invention relates to a system for making discriminations between cartridges for housing toners to be equipped on image forming apparatus such as electrostatic copiers, laser beam printers, facsimiles, etc. in which while a cartridge indicating means is provided on a part of a toner housing cartridge, an indication detecting means for detecting the aforementioned cartridge indicating means is provided on the image forming apparatus proper side, so that the suitability of the type or position of the cartridge inserted is detected by detecting the cartridge indicating means by the aforementioned detecting means, when the cartridge has been inserted into the cartridge inserting part of the image forming apparatus proper.
    Type: Grant
    Filed: August 2, 1990
    Date of Patent: February 2, 1993
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Shigeo Kurando, Yoshinori Makiura, Yutaka Shigemura, Junichi Ooura, Eiji Mifune, Tatsuo Imafuku, Hiroshi Komata, Mikio Ido
  • Cartridge discriminating system
    Patent number: 4963939
    Abstract: The present invention relates to a system for making discriminations between cartridges for housing toners to be equipped on image forming apparatus such as electrostatic copiers, laser beam printers, facsimiles, etc. in which while a cartridge indicating means is provided on a part of a toner housing cartridge, an indication detecting means for detecting the aforementioned cartridge indicating means is provided on the image forming apparatus proper side, so that the suitability of the type or position of the cartridge inserted is detected by detecting the cartridge indicating means by the aforementioned detecting means, when the cartridge has been inserted into the cartridge inserting part of the image forming apparatus proper.
    Type: Grant
    Filed: September 21, 1987
    Date of Patent: October 16, 1990
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Shigeo Kurando, Yoshinori Makiura, Yutaka Shigemura, Junichi Ooura, Eiji Mifune, Tatsuo Imafuku, Hiroshi Komata, Mikio Ido