Patents by Inventor Tatsuya Shirasaki

Tatsuya Shirasaki 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).

  • Decorative sheet, emboss processing method and emboss processing mold
    Patent number: 11046041
    Abstract: In a decorative sheet, a concavo-convex pattern is provided on a surface of a base material. The concavo-convex pattern includes a first concave, a convex and a second concave. The first concave is a bottomed concave. The convex is adjacent to the first concave. The second concave opens at the bottom surface of the first concave. The second concave is a bottomed concave. The second concave is provided in a first region of the bottom surface of the first concave which is a region spaced apart from a boundary between the first concave and the convex not less than a maximum dimension which is a dimension in an opening direction orthogonal to a thickness direction of an opening end of the second concave which is a side of the bottom surface of the first concave in the thickness direction of the base material.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: June 29, 2021
    Inventor: Tatsuya Shirasaki
  • Decorative Sheet, Emboss Processing Method and Emboss Processing Mold
    Publication number: 20190118505
    Abstract: In a decorative sheet, a concavo-convex pattern is provided on a surface of a base material. The concavo-convex pattern includes a first concave, a convex and a second concave. The first concave is a bottomed concave. The convex is adjacent to the first concave. The second concave opens at the bottom surface of the first concave. The second concave is a bottomed concave. The second concave is provided in a first region of the bottom surface of the first concave which is a region spaced apart from a boundary between the first concave and the convex not less than a maximum dimension which is a dimension in an opening direction orthogonal to a thickness direction of an opening end of the second concave which is a side of the bottom surface of the first concave in the thickness direction of the base material.
    Type: Application
    Filed: October 18, 2018
    Publication date: April 25, 2019
    Applicant: SEIREN CO., LTD.
    Inventor: Tatsuya Shirasaki