Patents by Inventor Yoichi Hirota

Yoichi Hirota 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).

  • Patent number: 5656359
    Abstract: An object of the present invention is to provide a decorative sheet having an appearance, feeling and touch which are remarkably resemble to those of the grain of natural wood, and being excellent also in material characteristics such as abrasion resistance and heat resistance. The decorative sheet of the invention is characterized in that it comprises a substrate sheet, and a grain-pattern-printed layer having a grain pattern, formed on the substrate sheet, and that a built-up printed portion is provided on at least a part of a vessel pattern portion in the grain pattern of the grain-pattern-printed layer in such a manner that the built-up printed portion substantially corresponds with the vessel pattern portion.
    Type: Grant
    Filed: August 8, 1995
    Date of Patent: August 12, 1997
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Yoichi Hirota, Ichiro Kawahata, Takashi Matano