Patents by Inventor Yoichiro NEGISHI

Yoichiro NEGISHI 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).

  • Laminated body containing fiber-reinforced resin, fiber-reinforced composite resin material and methods of producing these
    Patent number: 11192346
    Abstract: A laminated body, containing a fiber-reinforced resin, in which a fiber-reinforced thermoplastic resin layer (1) containing fiber bundle of reinforcing fibers and a first thermoplastic resin, and a resin layer (2) containing a second thermoplastic resin, are alternately laminated, to form the fiber-reinforced resin, and the ratio of the indentation elastic modulus EIT-B of the first thermoplastic resin portion of the laminated body with respect to the indentation elastic modulus EIT-C of the second thermoplastic resin is 1.5 or more and 5.0 or less; a fiber-reinforced composite resin material; and a method of producing these.
    Type: Grant
    Filed: October 25, 2019
    Date of Patent: December 7, 2021
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Motoko Yoshizaki, Makiko Nakano, Yukihiro Ikura, Jirou Hiroishi, Isao Tomomatsu, Yousuke Kokubo, Yoichiro Negishi
  • LAMINATED BODY CONTAINING FIBER-REINFORCED RESIN, FIBER-REINFORCED COMPOSITE RESIN MATERIAL AND METHODS OF PRODUCING THESE
    Publication number: 20200055294
    Abstract: A laminated body, containing a fiber-reinforced resin, in which a fiber-reinforced thermoplastic resin layer (1) containing fiber bundle of reinforcing fibers and a first thermoplastic resin, and a resin layer (2) containing a second thermoplastic resin, are alternately laminated, to form the fiber-reinforced resin, and the ratio of the indentation elastic modulus EIT-B of the first thermoplastic resin portion of the laminated body with respect to the indentation elastic modulus EIT-C of the second thermoplastic resin is 1.5 or more and 5.0 or less; a fiber-reinforced composite resin material; and a method of producing these.
    Type: Application
    Filed: October 25, 2019
    Publication date: February 20, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Motoko YOSHIZAKI, Makiko NAKANO, Yukihiro IKURA, Jirou HIROISHI, Isao TOMOMATSU, Yousuke KOKUBO, Yoichiro NEGISHI