Patents by Inventor Shoko Namba

Shoko Namba 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).

  • Preformed yarn useful for forming composite articles and process for producing same
    Patent number: 5206085
    Abstract: A preformed yarn useful for forming composite articles is disclosed which includes a core of a multiplicity of fibers, fine powder provided in the interstices between the fibers, and a flexible sleeve formed of a thermoplastic resin and surrounding the core. The fine powder is formed of a material which neither melts nor reacts with the thermoplastic resin at a temperature up to 450.degree. C. and at a temperature up to the melting point of the thermoplastic resin. The incorporation of the fine powder between the fibers is effected by injecting fine powder-containing air from a jet nozzle and blowing the air against a bundle of the fibers.
    Type: Grant
    Filed: May 13, 1991
    Date of Patent: April 27, 1993
    Assignee: Across Co., Ltd.
    Inventors: Takao Nakagawa, Mihoko Yamashita, Masaharu Tachibana, Shoko Namba, Takuya Ueda