Patents by Inventor Naomi Miyoshi

Naomi Miyoshi 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).

  • Composition of epoxy resin, curing agent and reactive compound
    Patent number: 6515081
    Abstract: A thermosetting resin composition for carbon fiber reinforced composite materials of the present invention chiefly comprises (A)2 thermosetting resin such as epoxy resin and a curing agent, and (B)2 compound containing one functional group which can react with thermosetting resin (A) or its curing agent, and a moiety selected from the following formulae (1) to (4) Furthermore, the present invention also relates to a prepreg formed by impregnating reinforcing fiber with the aforesaid resin composition and to carbon fiber reinforced composite materials comprising reinforcing fiber and a cured aforesaid thermosetting resin composition.
    Type: Grant
    Filed: June 14, 1999
    Date of Patent: February 4, 2003
    Assignee: Toray Industries, Inc.
    Inventors: Hiroki Oosedo, Ryuji Sawaoka, Shunsaku Noda, Naomi Miyoshi
  • EPOXY RESIN COMPOSITION FOR FIBER-REINFORCED COMPOSITE MATERIAL, PREPREG, AND FIBER-REINFORCED COMPOSITE MATERIAL
    Publication number: 20020007022
    Abstract: In order to realize the objectives stated above, the thermosetting resin composition for carbon fiber reinforced composite materials of the present invention chiefly comprises the following components.
    Type: Application
    Filed: June 14, 1999
    Publication date: January 17, 2002
    Inventors: HIROKI OOSEDO, RYUJI SAWAOKA, SHUNSAKU NODA, NAOMI MIYOSHI