Patents by Inventor Mashiro Yamagishi

Mashiro Yamagishi 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).

  • Cloth for protection against flames
    Patent number: 4868041
    Abstract: Cloth for protection against flames which comprises woven or knitted composite yarns wherein wholly aromatic polyamide fibers of a general formula;--NHAr.sub.1 NHCOAr.sub.2 CO-- and/or --NHAr.sub.3 CO--wherein Ar.sub.1, Ar.sub.2 and Ar.sub.3 are independently bivalent aromatic groups, respectively, are disposed as cores and flameproofed cellulosic fibers and/or wool fibers are disposed around said cores.
    Type: Grant
    Filed: February 9, 1988
    Date of Patent: September 19, 1989
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Mashiro Yamagishi, Takumi Minagawa, Hiroshi Yoshida