Patents by Inventor Norismasa Shigeta

Norismasa Shigeta 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 RELIEF PLATE
    Publication number: 20110252990
    Abstract: A printing relief plate, within a screen tint region, includes main halftone dot convexities, halftone dot convexities, and other halftone dot convexities, in which the heights of printing surfaces of the halftone dot convexities to which ink is applied differ from each other in a plurality of halftone dot convexity height levels.
    Type: Application
    Filed: April 19, 2011
    Publication date: October 20, 2011
    Inventors: Osamu SHIMAZAKI, Norismasa Shigeta