Patents by Inventor Chigusa Kuriyama

Chigusa Kuriyama 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: 10773497
    Abstract: The present invention provides a decorative sheet provided with three-dimensional moldability capable of sufficiently following the shape of a decorative resin molded article having a complicated surface shape. There is provided a decorative sheet composed of a layered body in which at least a substrate layer, a primer layer, and a thin metal film layer have been layered in sequence, and the primer layer contains a cured material having a resin in which the glass transition point is ?30° C. to 80° C.
    Type: Grant
    Filed: March 25, 2014
    Date of Patent: September 15, 2020
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Chigusa Kuriyama, Toshifumi Fujii
  • Patent number: 10481300
    Abstract: The present invention provides a mirror surface decorative sheet having excellent specularity, excellent surface properties, and excellent processability in which neither springback nor cracking occurs during the processing steps, and a mirror surface decorative plate using this mirror surface decorative sheet. The present invention relates to a mirror surface decorative sheet comprising at least a base sheet and a surface-protecting layer, and having a crack elongation as measured by a predetermined method of 10 to 20%, the base sheet being formed of a polypropylene resin, the base sheet having a thickness of 150 to 500 ?m, and the base sheet having a ten-point mean roughness (Rzjis) of a surface as measured according to JIS B 0601: 2001 of 5 ?m or less, the surface-protecting layer being a cured product of an ionizing radiation-curable resin composition, the surface-protecting layer having a thickness of 7 to 17 ?m.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: November 19, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Saori Miyazaki, Chigusa Kuriyama, Satoshi Furuta
  • Publication number: 20180128944
    Abstract: The present invention provides a mirror surface decorative sheet having excellent specularity, excellent surface properties, and excellent processability in which neither springback nor cracking occurs during the processing steps, and a mirror surface decorative plate using this mirror surface decorative sheet. The present invention relates to a mirror surface decorative sheet comprising at least a base sheet and a surface-protecting layer, and having a crack elongation as measured by a predetermined method of 10 to 20%, the base sheet being formed of a polypropylene resin, the base sheet having a thickness of 150 to 500 ?m, and the base sheet having a ten-point mean roughness (Rzjis) of a surface as measured according to JIS B 0601: 2001 of 5 ?m or less, the surface-protecting layer being a cured product of an ionizing radiation-curable resin composition, the surface-protecting layer having a thickness of 7 to 17 ?m.
    Type: Application
    Filed: March 19, 2015
    Publication date: May 10, 2018
    Inventors: Saori Miyazaki, Chigusa Kuriyama, Satoshi Furuta
  • Publication number: 20160052244
    Abstract: The present invention provides a decorative sheet provided with three-dimensional moldability capable of sufficiently following the shape of a decorative resin molded article having a complicated surface shape. There is provided a decorative sheet composed of a layered body in which at least a substrate layer, a primer layer, and a thin metal film layer have been layered in sequence, and the primer layer contains a cured material having a resin in which the glass transition point is ?30° C. to 80° C.
    Type: Application
    Filed: March 25, 2014
    Publication date: February 25, 2016
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Chigusa Kuriyama, Toshifumi Fujii