Patents by Inventor Akihiko Koshimizu

Akihiko Koshimizu 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).

  • Image forming apparatus and image correction method
    Patent number: 7469991
    Abstract: An image forming apparatus includes a counter that counts the accumulated number of predetermined printed recording sheets and an image correction controller that performs an image correction operation when the accumulated number of recording sheets reaches a predetermined number. The image forming apparatus is configured to advance an execution timing of the image correction operation, depending on its predetermined operating status.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: December 30, 2008
    Assignee: Panasonic Corporation
    Inventors: Nobuhiro Suzuki, Hirobumi Tabata, Akihiko Koshimizu
  • IMAGE FORMING APPARATUS AND IMAGE CORRECTION METHOD
    Publication number: 20060227202
    Abstract: An image forming apparatus includes a counter that counts the accumulated number of predetermined printed recording sheets and an image correction controller that performs an image correction operation when the accumulated number of recording sheets reaches a predetermined number. The image forming apparatus is configured to advance an execution timing of the image correction operation, depending on its predetermined operating status.
    Type: Application
    Filed: March 23, 2006
    Publication date: October 12, 2006
    Applicant: MASUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    Inventors: Nobuhiro SUZUKI, Hirobumi Tabata, Akihiko KOSHIMIZU