Patents by Inventor Kazuhiko Fukasawa

Kazuhiko Fukasawa 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).

  • Publication number: 20110175249
    Abstract: There is provided a core-sheath bicomponent polyester monofilament, wherein a core component is composed of polyethylene terephthalate (PET) and a sheath component composed of PET having an intrinsic viscosity (IV) at least 0.2 lower than that of the core component, the polyester monofilament having a fineness of 3 to 8 dtex, a strength of 7.5 cN/dtex or more, a toughness (strengthĂ—elongation0.5) of 29 or more, and a longitudinal yarn fineness variation of 1.5% or less.
    Type: Application
    Filed: September 10, 2009
    Publication date: July 21, 2011
    Inventors: Hirofumi Yamamoto, Shinnosuke Tomita, Hiroyuki Kurokawa, Kiyoshi Akazawa, Kazuhiko Fukasawa