Patents by Inventor Yosuke Hitomi

Yosuke Hitomi 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 ink for slightly adherent plastic base, printed matter of said base, and method of printing the base
    Patent number: 5391685
    Abstract: A printing ink for printing slightly adhesive plastic bases, especially polyoxymethylenes and polypropylenes, comprises an ultraviolet-curing ink and an isocyanate compound added thereto. The isocyanate compound is added in an amount of 0.5 to 35 parts by weight per 100 parts by weight of the ultraviolet-curing ink. The invention relates also to printed matter on which given characters, figures, or/and patterns have been printed using such an ultraviolet-curing ink. The invention relates further to a printing method for giving such printed matter. The printing is preceded by a pretreatment selected from among corona discharge, shortwave ultraviolet radiation, and electron radiation.
    Type: Grant
    Filed: July 2, 1992
    Date of Patent: February 21, 1995
    Assignee: TDK Corporation
    Inventors: Yosuke Hitomi, Mari Murooka, Fuminori Tokuda