Patents by Inventor Kouichi Sakajiri

Kouichi Sakajiri 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 strand
    Publication number: 20050271874
    Abstract: A sizing agent for carbon fiber consisting of a reaction products containing an unsaturated urethane compound as the principal component obtained by reacting an unsaturated alcohol with an isocyanate compound is disclosed in claim 1.
    Type: Application
    Filed: October 24, 2003
    Publication date: December 8, 2005
    Applicant: Toho Tenax Co., Ltd.
    Inventors: Kouichi Sakajiri, Takao Saeki, Shinichi Muto, Isao Nishimura, Toshitsugu Matsuki