Patents by Inventor Yuichi Shoji

Yuichi Shoji 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).

  • Belt unit and image forming apparatus
    Patent number: 8146734
    Abstract: A belt unit includes a first roller; a second roller; a belt extended with at least the first roller and the second roller; a first supporting member for supporting the first roller; a second supporting member disposed to be freely rotatable relative to the first supporting member for supporting the second roller; a switching member for switching the first supporting member and the second supporting member between a first state for applying tension to the belt and a second state for loosening the belt; and a regulating member for regulating the second supporting member to rotate.
    Type: Grant
    Filed: September 12, 2008
    Date of Patent: April 3, 2012
    Assignee: Oki Data Corporation
    Inventor: Yuichi Shoji
  • Belt unit installed apparatus, image forming apparatus having the same, and method of installing/removing belt unit
    Patent number: 7751750
    Abstract: A belt unit installed apparatus includes an apparatus frame; a belt unit attached to the apparatus frame, said belt unit having a first roller, a second roller, a belt placed between the first roller and the second roller, and a belt frame for supporting the first roller and the second roller; an engaging member disposed on the belt frame for engaging the apparatus frame; a receiving portion formed in the apparatus frame for engaging the engaging member; and an urging member disposed on the apparatus frame for urging the engaging member. The engaging member maintains an engagement state relative to the receiving portion when the engaging member engages the receiving portion.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: July 6, 2010
    Assignee: Oki Data Corporation
    Inventor: Yuichi Shoji
  • Belt unit and image forming apparatus
    Publication number: 20090078543
    Abstract: A belt unit includes a first roller; a second roller; a belt extended with at least the first roller and the second roller; a first supporting member for supporting the first roller; a second supporting member disposed to be freely rotatable relative to the first supporting member for supporting the second roller; a switching member for switching the first supporting member and the second supporting member between a first state for applying tension to the belt and a second state for loosening the belt; and a regulating member for regulating the second supporting member to rotate.
    Type: Application
    Filed: September 12, 2008
    Publication date: March 26, 2009
    Inventor: Yuichi Shoji
  • Belt unit installed apparatus, image forming apparatus having the same, and method of installing/removing belt unit
    Publication number: 20070231003
    Abstract: A belt unit installed apparatus includes an apparatus frame; a belt unit attached to the apparatus frame, said belt unit having a first roller, a second roller, a belt placed between the first roller and the second roller, and a belt frame for supporting the first roller and the second roller; an engaging member disposed on the belt frame for engaging the apparatus frame; a receiving portion formed in the apparatus frame for engaging the engaging member; and an urging member disposed on the apparatus frame for urging the engaging member. The engaging member maintains an engagement state relative to the receiving portion when the engaging member engages the receiving portion.
    Type: Application
    Filed: March 29, 2007
    Publication date: October 4, 2007
    Inventor: Yuichi Shoji