Patents by Inventor Shunya ITO

Shunya ITO 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: 11954546
    Abstract: Provided is a structure for individual authentication in which a pillar pattern region including a plurality of nanopillars formed of synthetic quartz glass is formed on at least a part of a surface portion of a synthetic quartz glass substrate. In the pillar pattern region, the nanopillars have an indentation elastic modulus of 35 to 100 GPa as measured by a nanoindentation method, and the nanopillars are plastically deformed.
    Type: Grant
    Filed: May 25, 2021
    Date of Patent: April 9, 2024
    Assignees: SHIN-ETSU CHEMICAL CO., LTD., TOHOKU UNIVERSITY
    Inventors: Masao Ando, Hiroyuki Yamazaki, Masaki Takeuchi, Masaru Nakagawa, Shunya Ito
  • Publication number: 20230027061
    Abstract: An imprint mold having a synthetic quartz glass substrate having a transfer fine pattern formed on a surface thereof; and a coating layer formed on at least a part of the fine pattern by at least one of materials different from the substrate.
    Type: Application
    Filed: July 5, 2022
    Publication date: January 26, 2023
    Applicants: Shin-Etsu Chemical Co., Ltd., TOHOKU UNIVERSITY
    Inventors: Hiroyuki YAMAZAKI, Masao ANDO, Masaki TAKEUCHI, Masaru NAKAGAWA, Shunya ITO
  • Publication number: 20210374495
    Abstract: Provided is a structure for individual authentication in which a pillar pattern region including a plurality of nanopillars formed of synthetic quartz glass is formed on at least a part of a surface portion of a synthetic quartz glass substrate. In the pillar pattern region, the nanopillars have an indentation elastic modulus of 35 to 100 GPa as measured by a nanoindentation method, and the nanopillars are plastically deformed.
    Type: Application
    Filed: May 25, 2021
    Publication date: December 2, 2021
    Applicants: Shin-Etsu Chemical Co., Ltd., TOHOKU UNIVERSITY
    Inventors: Masao ANDO, Hiroyuki YAMAZAKI, Masaki TAKEUCHI, Masaru NAKAGAWA, Shunya ITO