Patents by Inventor Naomi Wadahara

Naomi Wadahara 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).

  • Epoxy Resin Composition for Fiber-Reinforced Composite Material, Prepreg, and Fiber-Reinforced Composite Material
    Publication number: 20080160860
    Abstract: The invention provides epoxy resin composition containing, as epoxy resin, the following epoxy resin (a) and epoxy resin (b), solid rubber at a ratio of 1 to 20 parts by weight to 100 parts by weight of the entire epoxy resins, and an aromatic amine as a curing agent and having a glass transition temperature of 160 to 220° C. in form of a cured material after heat curing at 180° C. for 2 hours: (a) an epoxy resin having oxazolidone rings and (b) a glycidylamine type epoxy resin.
    Type: Application
    Filed: March 2, 2005
    Publication date: July 3, 2008
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Motohiro Kuroki, Nobuyuki Tomioka, Naomi Wadahara, Kenichi Yoshioka, Hiroaki Sakata, Eisuke Wadahara, Hiroki Oosedo