Patents by Inventor Koji Oshikiri

Koji Oshikiri 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).

  • Imaging system and image processing apparatus
    Publication number: 20050248584
    Abstract: An imaging system that implements a PCI Express high-speed serial interface system is disclosed in which a plurality of point-to-point simplex communication channels are established to realize a data communication network having a tree structure. The imaging system includes a PCI Express high-speed serial interface, and plural independent image processing units as end point devices of the tree structure that are connected by the PCI Express high-speed serial interface.
    Type: Application
    Filed: May 4, 2005
    Publication date: November 10, 2005
    Inventors: Koji Takeo, Yasuyuki Shindoh, Noriyuki Terao, Koji Oshikiri, Atsuhiro Oizumi, Satoru Numakura, Junichi Ikeda, Tohru Sasaki, Yutaka Maita
  • Data transfer device for an image forming apparatus
    Patent number: 5587813
    Abstract: A data transfer device for transferring data in a color digital copier, color printer or similar image forming apparatus of the type using a plurality of different kinds of data. A sending unit assigns other data to a predetermined number of bits of multilevel data to thereby send a plurality of kinds of data over common data lines. A receiving unit receives and separates the plurality of kinds of data. The device reduces the number of signal lines required for data transfer when a plurality of different kinds of data are not transferred at the same time.
    Type: Grant
    Filed: July 29, 1993
    Date of Patent: December 24, 1996
    Assignee: Ricoh Company, Ltd.
    Inventors: Shuichi Yamazaki, Takashi Mama, Nobuyuki Sato, Takeshi Yamakawa, Shinji Kobayashi, Yoshio Kaneko, Koji Oshikiri