Patents by Inventor Chiho HARADA

Chiho HARADA 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: 11891756
    Abstract: A base paper (6), a picture pattern layer (7) provided on a surface (6a) side of the base paper (6), and foaming agents (8) arranged on a surface (7a) of the picture pattern layer (7) or in the picture pattern layer (7) are provided. In the foaming agents (8), the average particle diameter after foaming is set to 15 ?m or more and 250 ?m or less and the foaming start temperature is set to 100° C. or more and 220° C. or less.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: February 6, 2024
    Assignee: TOPPAN PRINTING CO., LTD.
    Inventors: Hajime Harima, Takahiro Iseya, Chiho Harada
  • Patent number: 11820164
    Abstract: There is provided a resin-impregnated decorative paper (2) formed by impregnating a decorative paper (4) with an impregnating resin (5). The decorative paper (4) includes: a base paper (6); a picture pattern layer (7) provided on a surface (6a) side of the base paper (6); a filling layer (8) provided on a surface (7a) of the picture pattern layer (7); and a foamed resin layer (9) provided on a surface (8a) of the filling layer (8). The filling layer (8) contains at least one of an epoxy-based resin, an acrylic-based resin, a urethane-based resin, and a casein-based resin.
    Type: Grant
    Filed: April 5, 2021
    Date of Patent: November 21, 2023
    Assignee: TOPPAN INC.
    Inventors: Ryohei Mizukami, Chiho Harada
  • Publication number: 20230143186
    Abstract: There is provided a resin-impregnated decorative paper (2) formed by impregnating a decorative paper (4) with an impregnating resin (5). The decorative paper (4) includes: a base paper (6); a picture pattern layer (7) provided on a surface (6a) side of the base paper (6); a filling layer (8) provided on a surface (7a) of the picture pattern layer (7); and a foamed resin layer (9) provided on a surface (8a) of the filling layer (8). The filling layer (8) contains at least one of an epoxy-based resin, an acrylic-based resin, a urethane-based resin, and a casein-based resin.
    Type: Application
    Filed: April 5, 2021
    Publication date: May 11, 2023
    Inventors: Ryohei MIZUKAMI, Chiho HARADA
  • Publication number: 20220363044
    Abstract: There is provided a resin impregnated decorative paper sheet (2) in which a decorative paper sheet (4) is impregnated with an impregnation resin (5). The decorative paper sheet (4) includes: a base paper sheet (6); a pattern layer (7) provided on a surface (6a) side of the base paper sheet (6); a foamed resin layer (8) formed by a foaming agent arranged on a surface (7a) of the pattern layer (7) or in the pattern layer (7); and a thermosetting resin layer (9) provided on a surface (8a) of the foamed resin layer (8). The thermosetting resin layer (9) contains at least one of an epoxy resin, a casein resin, an acrylic resin, and a urethane resin.
    Type: Application
    Filed: October 22, 2020
    Publication date: November 17, 2022
    Inventors: Chiho HARADA, Takahiro ISEYA
  • Publication number: 20220339924
    Abstract: There is provided a transfer sheet capable of preventing film cracking in thermocompression transfer. To that end, a base material layer (2), a transfer layer (3) provided on one surface (2a) side of the base material layer (2), and an adhesion layer (4) provided on an opposite surface (3a) side to the base material layer (2) of the transfer layer (3) are included, for example. A resin constituting the transfer layer (3) is an uncured ionizing radiation curable resin. A resin constituting the adhesion layer (4) is a thermosetting resin not containing a component causing the resin to exhibit liquid repellency.
    Type: Application
    Filed: March 13, 2020
    Publication date: October 27, 2022
    Inventors: Takahiro ISEYA, Chiho HARADA
  • Publication number: 20210198845
    Abstract: A base paper (6), a picture pattern layer (7) provided on a surface (6a) side of the base paper (6), and foaming agents (8) arranged on a surface (7a) of the picture pattern layer (7) or in the picture pattern layer (7) are provided. In the foaming agents (8), the average particle diameter after foaming is set to 15 ?m or more and 250 ?m or less and the foaming start temperature is set to 100° C. or more and 220° C. or less.
    Type: Application
    Filed: May 14, 2019
    Publication date: July 1, 2021
    Inventors: Hajime HARIMA, Takahiro ISEYA, Chiho HARADA