Patents by Inventor Takasaburo Isshiki

Takasaburo Isshiki 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).

  • 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