Patents by Inventor Tsurumatsu Takano

Tsurumatsu Takano 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).

  • Printing roller
    Patent number: 5445588
    Abstract: A printer rolling includes a surface layer roughened by forming a plurality of lattice-shaped grooves such that a large number of diamond-shaped configurations are defined by the grooves, each diamond-shaped configuration including two diagonally facing corners each having an angle of 20.degree. to 160.degree., or by forming a number of parallel grooves each forming an angle of 10.degree. to 80.degree. with the axis of the metal core, so as to form a continuous groove.
    Type: Grant
    Filed: December 27, 1993
    Date of Patent: August 29, 1995
    Assignee: Kinyosha Co., Ltd.
    Inventors: Nobuyuki Ishibashi, Tsurumatsu Takano, Yoshio Mori