Patents by Inventor Oji KOIZUMI

Oji KOIZUMI 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).

  • Radiation-shielding material
    Patent number: 11587691
    Abstract: A radiation shielding material that is lighter and has lower installation restrictions than conventional methods, and that exhibits excellent shielding efficiency against radiation in the high energy region. The radiation shielding material comprises a complex containing a fibrous nanocarbon material, a primary radiation shielding particle, and a binder, wherein the fibrous nanocarbon material and the primary radiation shielding particle are dispersed in the binder.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: February 21, 2023
    Assignees: SUN-NANOTECHNOLOGY CO., LTD., JAPAN ATOMIC ENERGY AGENCY
    Inventors: Oji Koizumi, Shogo Nasu, Junichiro Kamiya
  • RADIATION-SHIELDING MATERIAL
    Publication number: 20190333653
    Abstract: A radiation shielding material that is lighter and has lower installation restrictions than conventional methods, and that exhibits excellent shielding efficiency against radiation in the high energy region. The radiation shielding material comprises a complex containing a fibrous nanocarbon material, a primary radiation shielding particle, and a binder, wherein the fibrous nanocarbon material and the primary radiation shielding particle are dispersed in the binder.
    Type: Application
    Filed: August 9, 2018
    Publication date: October 31, 2019
    Applicants: SUN-TECH LIMITED, JAPAN ATOMIC ENERGY AGENCY
    Inventors: Oji KOIZUMI, Shogo NASU, Junichiro KAMIYA