Patents by Inventor Hirotaka KUJIRAI

Hirotaka KUJIRAI 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).

  • Carbon material, and method relating to same
    Patent number: 11214485
    Abstract: A carbon material that is compact and exhibits an excellent hydrogen storage capacity. A carbon material has a specific surface area of 200 m2/g or less and exhibits a hydrogen storage capacity of 1.5×10?5 g/m2 or more at a hydrogen pressure of 10 MPa.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: January 4, 2022
    Assignees: NISSHINBO HOLDINGS INC., NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY
    Inventors: Yasuo Imashiro, Rieko Kobayashi, Noriko Osuga, Jun-ichi Ozaki, Hirotaka Kujirai, Setsura Kobayashi
  • CARBON MATERIAL AND METHOD RELATING TO SAME
    Publication number: 20180282156
    Abstract: A carbon material that is compact and exhibits an excellent hydrogen storage capacity. A carbon material has a specific surface area of 200 m2/g or less and exhibits a hydrogen storage capacity of 1.5×10?5 g/m2 or more at a hydrogen pressure of 10 MPa.
    Type: Application
    Filed: November 30, 2015
    Publication date: October 4, 2018
    Applicants: NISSHINBO HOLDINGS INC., NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY
    Inventors: Yasuo IMASHIRO, Rieko KOBAYASHI, Noriko OSUGA, Jun-ichi OZAKI, Hirotaka KUJIRAI, Setsura KOBAYASHI