Patents by Inventor Kouichi Aritomo

Kouichi Aritomo 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).

  • Toner replenishing container
    Patent number: 6778786
    Abstract: A toner replenishing container for supplying toner to an image forming apparatus according to the invention includes: a container body for storing toner therein; a cap member attached to a mouth of the container body, the cap member having a toner outlet port and a shutter member for opening/closing the toner outlet port; and an indication member removably attachable to the cap member.
    Type: Grant
    Filed: July 26, 2001
    Date of Patent: August 17, 2004
    Assignee: Minolta Co., Ltd.
    Inventors: Kouichi Aritomo, Chujiro Yokoyama, Takeru Kinoshita
  • Toner replenishing container
    Publication number: 20020015596
    Abstract: A toner replenishing container for supplying toner to an image forming apparatus according to the invention includes: a container body for storing toner therein; a cap member attached to a mouth of the container body, the cap member having a toner outlet port and a shutter member for opening/closing the toner outlet port; and an indication member removably attachable to the cap member.
    Type: Application
    Filed: July 26, 2001
    Publication date: February 7, 2002
    Inventors: Kouichi Aritomo, Chujiro Yokoyama, Takeru Kinoshita
  • Developing apparatus
    Patent number: 5587551
    Abstract: A developing apparatus for developing an electrostatic latent image on an electrostatic latent image carrier includes a toner tank for storing toner, a developing roller, and an agitator for supplying the toner from the toner tank to the developing roller. The apparatus further includes a regulation member having one end portion fixedly supported and other end portion being slidingly held in contact with the outer surface to define a contacting area. The regulating member is bent at an angle .alpha. outwardly from the outer surface to define a bent portion such that the bent portion is located closely adjacent to the developing roller with respect to the contacting area. The curvature radius of the bent portion is no greater than 0.5 mm and the length of the bent portion's free end is between 0.5-5.0 mm.
    Type: Grant
    Filed: October 12, 1995
    Date of Patent: December 24, 1996
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Akihito Ikegawa, Kouichi Aritomo, Kazuki Tsukamoto, Michiya Yamashita
  • Developing apparatus
    Patent number: 5338895
    Abstract: A developing apparatus for developing an electrostatic latent image on an electrostatic latent image carrier includes a toner tank for storing toner, a developing roller, toner and a blade for supplying the toner from the toner tank to the developing roller. The apparatus further includes a regulation member having one end portion fixedly supported and the other end portion being slidingly held in contact with the outer surface to define a contacting area. The regulating member is bent at an angle .alpha. outwardly from the outer surface to define a bent portion such that the bent portion is located closely adjacent the developing roller with respect to the contacting area.
    Type: Grant
    Filed: February 11, 1993
    Date of Patent: August 16, 1994
    Assignee: Minolta Camera Kabushiki Kaisha
    Inventors: Akihito Ikegawa, Kouichi Aritomo, Kazuki Tsukamoto, Michiya Yamashita
  • Toner bottle
    Patent number: D451949
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: December 11, 2001
    Assignee: Minolta Co., Ltd.
    Inventors: Kouichi Aritomo, Chujirou Yokoyama, Takeru Kinoshita