Patents by Inventor Motoyuki Fukuda

Motoyuki Fukuda 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: 5771419
    Abstract: An image forming machine including a host computer, a printer, a copying machine, and a document supply device for conveying a document printed by the printer to a document stand of an automatic document feeder of the copying machine is disclosed, the image forming machine including a first document conveying device for directly conveying the document printed by the printer to the automatic document feeder, and second document conveying device which has an intermediate tray for temporarily storing the document printed by the printer for conveying this document to the automatic document feeder after temporarily storing it in the intermediate tray.
    Type: Grant
    Filed: March 5, 1997
    Date of Patent: June 23, 1998
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Keiji Kubo, Kenji Yamamura, Motoyuki Fukuda, Katsumi Fujimoto
  • Patent number: 5659859
    Abstract: A developer agitating/conveying device having at least one partition wall disposed within a housing with a developer transfer port at the central portion thereof; a first agitating/conveying member disposed along the partition wall on one side of the partition wall for conveying the developer from the opposite end portions toward the central portion thereof, the first agitating/conveying member having a first helical blade and a second helical blade; and a second agitating/conveying member disposed along the partition wall on the other side of the partition wall for conveying the developer from the central portion toward the opposite end portions thereof, the second agitating/conveying member having a first helical blade and a second helical blade.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: August 19, 1997
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Shinji Kikuta, Toshio Nishino, Tsutomu Nagata, Motoyuki Fukuda, Mitsuhiro Kashihara, Akihiko Ichiba
  • Patent number: 5510882
    Abstract: A latent electrostatic image developing device using a developer including a toner and carrier particles has a development housing, in which an upstream agitating/conveying device, a midstream agitating/conveying device, and a downstream agitating/conveying device are disposed. The upstream agitating/conveying device conveys the developer from the central portion in the widthwise direction toward the opposite end portions in the widthwise direction while agitating it, the midstream agitating/conveying device conveys the developer from the opposite end portions in the widthwise direction toward the central portion in the widthwise direction while agitating it, and the downstream agitating/conveying device conveys the developer from the central portion in the widthwise direction toward the opposite end portions in the widthwise direction while agitating it.
    Type: Grant
    Filed: December 9, 1994
    Date of Patent: April 23, 1996
    Assignee: Mita Industrial Co., Ltd.
    Inventors: Shinji Kikuta, Motoyuki Fukuda, Tsutomu Nagata, Toshio Nishino, Akihiko Ichiba