Patents by Inventor Yasuhiro Hirato

Yasuhiro Hirato 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).

  • Fiber-reinforced plastic bar and production method thereof
    Patent number: 5749211
    Abstract: A fiber-reinforced plastic bar comprises a core and a surface member, the core comprises a high strength continuous fiber and a matrix resin, and the surface member comprises a polypropylene fiber. This fiber-reinforced plastic bar does not undergo degradation even when mortar, concrete, etc, are cured in an autoclave.
    Type: Grant
    Filed: July 1, 1996
    Date of Patent: May 12, 1998
    Assignees: Nippon Steel Corporation, Nippon Steel Chemical Co., Ltd.
    Inventors: Hiromi Kimura, Kanji Yamada, Yasuhiro Hirato