Patents by Inventor Masahiro MINO

Masahiro MINO 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).

  • Prepreg and carbon fiber reinforced composite material
    Patent number: 11319420
    Abstract: A prepreg containing the following constituent elements [A] to [C], wherein a resin composition containing the constituent elements [B] and [C] has a higher-order structure derived from a diffraction angle 2? between 1.0° and 6.0° observed with X-ray diffraction after curing: [A]: carbon fibers [B]: epoxy resin [C]: curing agent of [B].
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: May 3, 2022
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Atsuhito Arai, Koji Furukawa, Atsuki Sugimoto, Masahiro Mino, Mayumi Mihara
  • Prepreg and carbon fiber reinforced material
    Patent number: 11208541
    Abstract: A prepreg, which includes a carbon fiber reinforced material, has excellent Mode I interlaminar toughness, Mode II interlaminar toughness, and tensile strength. The prepreg includes the following constituents [A] to [C] and satisfies the following conditions (I) and (II): [A]: a carbon fiber; [B]: an epoxy resin; and [C]: a hardener for [B], and (I) a surface oxygen concentration O/C of [A] measured by X-ray photoelectron spectroscopy is 0.10 or more; and (II) a cured product obtained by curing [B] and [C] includes a resin region having molecular anisotropy exhibiting interference fringes in polarizing microscope observation in a crossed Nicol state.
    Type: Grant
    Filed: May 28, 2018
    Date of Patent: December 28, 2021
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Koji Furukawa, Atsuhito Arai, Atsuki Sugimoto, Masahiro Mino, Mayumi Mihara
  • PREPREG AND CARBON FIBER REINFORCED MATERIAL
    Publication number: 20210087362
    Abstract: A prepreg includes following constituents [A] to [C] and satisfies following conditions (I) and (II): [A]: a carbon fiber; [B]: an epoxy resin; and [C]: a hardener for [B], and (I) a surface oxygen concentration O/C of [A] measured by X-ray photoelectron spectroscopy is 0.10 or more; and (II) a cured product obtained by curing [B] and [C] includes a resin region having molecular anisotropy exhibiting interference fringes in polarizing microscope observation in a crossed Nicol state.
    Type: Application
    Filed: May 28, 2018
    Publication date: March 25, 2021
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Koji FURUKAWA, Atsuhito ARAI, Atsuki SUGIMOTO, Masahiro MINO, Mayumi MIHARA
  • PREPREG AND CARBON FIBER REINFORCED COMPOSITE MATERIAL
    Publication number: 20200056005
    Abstract: A prepreg containing the following constituent elements [A] to [C], wherein a resin composition containing the constituent elements [B] and [C] has a higher-order structure derived from a diffraction angle 20 between 1.0° and 6.0° observed with X-ray diffraction after curing: [A]: carbon fibers [B]: epoxy resin [C]: curing agent of [B].
    Type: Application
    Filed: March 16, 2018
    Publication date: February 20, 2020
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Atsuhito ARAI, Koji FURUKAWA, Atsuki SUGIMOTO, Masahiro MINO, Mayumi MIHARA