Patents by Inventor Jirou Sadanobu

Jirou Sadanobu 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 fiber bundle, method for producing the same, and molded article made thereof
    Patent number: 9222202
    Abstract: A carbon fiber bundle includes carbon fibers and a copolymerized polyolefin attached to the surface of the carbon fibers. The copolymerized polyolefin contains an aromatic vinyl compound and an acid and/or acid anhydride as copolymerization components. The amount of the copolymerized polyolefin attached is 0.01 to 10 parts by mass per 100 parts by mass of the carbon fiber bundle. The carbon fiber bundle may be used or contained in a random mat, a composite material, and various molded articles.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: December 29, 2015
    Assignee: Teijin Limited
    Inventors: Kaori Nagakura, Takeshi Naito, Masaru Sato, Toru Kaneko, Katsuyuki Hagihara, Takashi Ito, Jirou Sadanobu
  • COMPOSITE MATERIAL
    Publication number: 20150251387
    Abstract: The present invention is a composite material including an organic filament having a melting point of 200° C. or higher and a thermoplastic resin, characterized in that the organic filament is in the form of a twisted yarn cord or a woven or knitted fabric composed of twisted yarn cord. The composite material of the present invention is excellent in impact strength and can be used as a core material also in a sandwich material.
    Type: Application
    Filed: May 27, 2014
    Publication date: September 10, 2015
    Applicant: TEIJIN LIMITED
    Inventors: Motoomi ARAKAWA, Jirou SADANOBU
  • COMPOSITE MATERIAL
    Publication number: 20120231252
    Abstract: The present invention is a composite material comprising an organic filament having a melting point of 200° C. or higher and a thermoplastic resin, characterized in that the organic filament is in the form of a twisted yarn cord or a woven or knitted fabric composed of twisted yarn cord. The composite material of the present invention is excellent in impact strength and can be used as a core material also in a sandwich material.
    Type: Application
    Filed: November 24, 2010
    Publication date: September 13, 2012
    Applicant: TEIJIN LIMITED
    Inventors: Motoomi Arakawa, Jirou Sadanobu