Patents by Inventor Hirokazu Shirasawa

Hirokazu Shirasawa 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).

  • PRESS-THROUGH PACKAGING MATERIAL AND PRESS-THROUGH PACKAGE USING SAME
    Publication number: 20220289449
    Abstract: A press-through packaging material is disclosed including, in sequence, a substrate, an opaque underlayer laminated on at least a part of the surface of the substrate, and a printing layer that contains a colored metal pigment, and that is formed on at least a part of the surface of the opaque underlayer. The colored metal pigment includes a metal pigment, an amorphous silicon oxide film layer formed on the surface of the metal pigment, and metal particles supported on a part of or on the entire surface of the amorphous silicon oxide film layer, the opaque underlayer having a mass per unit area of 0.5 g/m2 or more and 3.0 g/m2 or less, and the printing layer having a mass per unit area of 1.0 g/m2 or more and 3.5 g/m2 or less.
    Type: Application
    Filed: September 3, 2020
    Publication date: September 15, 2022
    Applicant: TOYO ALUMINIUM KABUSHIKI KAISHA
    Inventors: Mitunori Saito, Naoki Higashi, Katsura Kawashima, Keiichi Kanno, Ryo Furuta, Hirokazu Shirasawa, Genki Hirobe