Patents by Inventor Hiroshi Yamanari

Hiroshi Yamanari 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).

  • Reverse side printing device employing sheet feed cylinder in sheet-fed printer
    Patent number: 4976197
    Abstract: A double-sided printing machine in which two sides of fed sheets are printed by two adjacent impression cylinders, each with their own plate and blanket cylinders. Thereby, the first impression cylinder acts as a sheet feed cylinder for the second impression cylinder.
    Type: Grant
    Filed: April 4, 1990
    Date of Patent: December 11, 1990
    Assignee: Ryobi, Ltd.
    Inventors: Hiroshi Yamanari, Nobuhiko Fujisawa
  • Sheet-fed rotary printing press for both obverse and reverse side printing
    Patent number: 4967660
    Abstract: A sheet-fed rotary printing press for printing both the obverse and reverse side of a printing sheet. The printing press is provided with at least one obverse side printing unit including an impression cylinder and a discharge cylinder in contact therewith. The printing press is also provided with a reverse side printing unit in confrontation with the discharge cylinder. The discharge cylinder also functions as an impression cylinder for the reverse side printing.
    Type: Grant
    Filed: July 5, 1989
    Date of Patent: November 6, 1990
    Assignee: Ryobi Ltd.
    Inventors: Hiroshi Yamanari, Yusaku Kitamura, Nobuhiko Fujisawa