Patents by Inventor Hirokazu Tsubota

Hirokazu Tsubota 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, IMAGE PROCESSING DEVICE, IMAGE FORMING SYSTEM, PAPER MEDIUM, IMAGE FORMING METHOD, IMAGE PROCESSING METHOD, AND COMPUTER READABLE MEDIUM STORING PROGRAM
    Publication number: 20090080027
    Abstract: An image forming apparatus includes a paper fiber reading unit that reads fiber properties of a paper sheet; an encryption unit that encrypts at least a part of an input image based on the fiber properties read by the paper fiber reading unit; and a printing unit that prints an encrypted image portion encrypted by the encryption unit and an image including information representing the fiber properties read by the paper fiber reading unit on the paper sheet whose fiber properties are read by the paper fiber reading unit.
    Type: Application
    Filed: April 3, 2008
    Publication date: March 26, 2009
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Atsushi Ugajin, Toshio Hisamura, Yoshitake Matsubara, Hirokazu Tsubota, Satoshi Kurashima, Osamu Yasui, Yasuhiro Arai, Masaki Fujise
  • Storage medium control apparatus, image forming apparatus using the same, and control method therefor
    Publication number: 20020041396
    Abstract: A hard disk is divided into a plurality of regions each having a plurality of sectors, and then writing/reading operations is performed on image data by units of the regions.
    Type: Application
    Filed: September 12, 2001
    Publication date: April 11, 2002
    Applicant: FUJI XEROX CO., LTD.
    Inventors: Atsushi Ugajin, Hirokazu Tsubota