Patents by Inventor Tomoko Ichikawa

Tomoko Ichikawa 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).

  • POLYACRYLONITRILE FIBER MANUFACTURING METHOD AND CARBON FIBER MANUFACTURING METHOD
    Publication number: 20130264733
    Abstract: A method of manufacturing a polyacrylonitrile fiber includes a spinning process in which a spinning dope including polyacrylonitrile is spun; a first drawing process; a drying process; and a second hot drawing process in this order.
    Type: Application
    Filed: November 28, 2011
    Publication date: October 10, 2013
    Applicant: TORAY Industries, Inc.
    Inventors: Tomoko Ichikawa, Takashi Ochi, Akira Kishiro, Yasutaka Kato, Takashi Shibata, Masafumi Ise