Patents by Inventor Kaori Nagakura

Kaori Nagakura 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).

  • 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