Patents by Inventor Sigenori Koido

Sigenori Koido 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).

  • Developer material container, image forming unit, and image forming apparatus
    Patent number: 7747199
    Abstract: A developer material container includes a holding body, a shutter member movably, an operation member, and coupling member. The holding body holds developer therein and includes a developer outlet. The shutter member movably is assembled to the holding body. The shutter member is movable either to an opening position where the shutter member opens the developer outlet or to a closing position where the shutter member closes the developer outlet. The operation member is operated to move the shutter to either the opening position or to the closing position. Depending on the orientation of the discharging opening, an enabling-and-disabling member allows or does not allow the operation member to move the shutter relative to the holding body.
    Type: Grant
    Filed: August 27, 2007
    Date of Patent: June 29, 2010
    Assignee: Oki Data Corporation
    Inventor: Sigenori Koido
  • Developer material container, image forming unit, and image forming apparatus
    Publication number: 20080056759
    Abstract: A developer material container includes a holding body, a shutter member movably, an operation member, and coupling member. The holding body holds developer therein and includes a developer outlet. The shutter member movably is assembled to the holding body. The shutter member is movable either to an opening position where the shutter member opens the developer outlet or to a closing position where the shutter member closes the developer outlet. The operation member is operated to move the shutter to either the opening position or to the closing position. Depending on the orientation of the discharging opening, an enabling-and-disabling member allows or does not allow the operation member to move the shutter relative to the holding body.
    Type: Application
    Filed: August 27, 2007
    Publication date: March 6, 2008
    Applicant: OKI DATA CORPORATION
    Inventor: Sigenori Koido