Patents by Inventor Youichi YAMAKAWA

Youichi YAMAKAWA 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).

  • Medium transporting device and image forming device
    Patent number: 8764008
    Abstract: A medium transporting device includes: a transporting path; a contacted member that is provided on the transporting path to be movable in a medium width direction orthogonal to a medium transporting direction; a line-up member on the transporting path that lines up a position of the medium by sending the medium transported on the transporting path to the contacted member to bring the end of the medium in the medium width direction into contact with the contacted member; a displacement amount calculation unit that sets on a downstream side of the line-up member in the medium transporting direction, and calculates a misregistration amount of the medium in the medium width direction; and a contacted position control unit that controls a position of the contacted member by moving the contacted member in a direction of reducing the misregistration amount.
    Type: Grant
    Filed: March 22, 2010
    Date of Patent: July 1, 2014
    Assignee: Fuji Xerox Co., Ltd.
    Inventors: Naohito Otsuki, Michio Tada, Takashi Abe, Yousuke Hasegawa, Shouichi Maeda, Youichi Yamakawa
  • MEDIUM TRANSPORTING DEVICE AND IMAGE FORMING DEVICE
    Publication number: 20100296854
    Abstract: A medium transporting device includes: a transporting path; a contacted member that is provided on the transporting path to be movable in a medium width direction orthogonal to a medium transporting direction; a line-up member on the transporting path that lines up a position of the medium by sending the medium transported on the transporting path to the contacted member to bring the end of the medium in the medium width direction into contact with the contacted member; a displacement amount calculation unit that sets on a downstream side of the line-up member in the medium transporting direction, and calculates a misregistration amount of the medium in the medium width direction; and a contacted position control unit that controls a position of the contacted member by moving the contacted member in a direction of reducing the misregistration amount.
    Type: Application
    Filed: March 22, 2010
    Publication date: November 25, 2010
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Naohito OTSUKI, Michio TADA, Takashi ABE, Yousuke HASEGAWA, Shouichi MAEDA, Youichi YAMAKAWA