Patents by Inventor Shunsuke HARASHIMA

Shunsuke HARASHIMA 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).

  • Energy absorption member
    Patent number: 11739807
    Abstract: An energy absorption member (21) includes a hollow cylindrical fiber-reinforced composite material including reinforcement fibers (22), in which tensile strength S (GPa), tensile modulus of elasticity M (GPa), and elongation rate E (%) satisfy the following expression (1), and a curable resin composition with which the reinforcement fibers (22) are impregnated. The volume content of the reinforcement fibers (22) in the fiber-reinforced composite material is 30 to 80%. 11.0?S2×M1/8/E1/2?22.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: August 29, 2023
    Assignee: Nitto Boseki Co., Ltd.
    Inventors: Shunsuke Harashima, Kazunori Sano, Norio Hirayama, Kazuhiro Sakata
  • ENERGY ABSORPTION MEMBER
    Publication number: 20200018373
    Abstract: An energy absorption member (21) includes a hollow cylindrical fiber-reinforced composite material including reinforcement fibers (22), in which tensile strength S (GPa), tensile modulus of elasticity M (GPa), and elongation rate E (%) satisfy the following expression (1), and a curable resin composition with which the reinforcement fibers (22) are impregnated. The volume content of the reinforcement fibers (22) in the fiber-reinforced composite material is 30 to 80%. 11.0?S2×M1/8/E1/2?22.
    Type: Application
    Filed: October 17, 2018
    Publication date: January 16, 2020
    Inventors: Shunsuke HARASHIMA, Kazunori SANO, Norio HIRAYAMA, Kazuhiro SAKATA