Patents by Inventor Takeshi Yanagawase

Takeshi Yanagawase 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).

  • Stitchbonded fabric
    Patent number: 8685521
    Abstract: The invention provides a stitchbonded nonwoven fabric comprising a nonwoven web, stitches of a first yarn, and stitches of a second yarn wherein the first yarn comprises polyester bicomponent fibers exhibiting latent crimp and comprising poly(ethylene terephthalate) and poly(trimethylene terephthalate). The invention further provides a process for making such stitch-bonded nonwoven fabric.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: April 1, 2014
    Assignee: Invista North America S.àr.l.
    Inventors: Takeshi Yanagawase, Takasaburo Isshiki
  • Stitchbonded fabric
    Publication number: 20070015427
    Abstract: The invention provides a stitchbonded nonwoven fabric comprising a nonwoven web, stitches of a first yarn, and stitches of a second yarn wherein the first yarn comprises polyester bicomponent fibers exhibiting latent crimp and comprising poly(ethylene terephthalate) and poly(trimethylene terephthalate). The invention further provides a process for making such stitch-bonded nonwoven fabric.
    Type: Application
    Filed: February 20, 2004
    Publication date: January 18, 2007
    Applicant: Invista North America S.A.R.L. Three Little Falls Centre
    Inventors: Takeshi Yanagawase, Takasaburo Ishiki
  • Stable double covered elastic yarn, process for making same, and fabric comprising same
    Patent number: 6240716
    Abstract: A double-covered yarn based on a spandex core having a heat set of at least 50% and two sheath yarns wound in the same direction, a process for the preparation of such yarn and fabrics produced therefrom, are provided.
    Type: Grant
    Filed: September 1, 1999
    Date of Patent: June 5, 2001
    Assignee: DuPont Toray Company, Ltd.
    Inventors: Takeshi Yanagawase, Shoichi Hayashi