Patents by Inventor Isshin Katsube

Isshin Katsube 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).

  • FIBER-FILLED MATERIAL AND FIBER PRODUCT OBTAINED BY USING SAME
    Publication number: 20190233983
    Abstract: A fiber-filled material composed of batting and ticking made of synthetic fibers, wherein the batting made of synthetic fibers includes a bulky yarn in which (1) a fineness ratio of a sheath yarn to a core yarn (sheath/core) is 0.5-2.0, (2) entanglement points of the core yarn with the sheath yarn in a fiber axis direction are present at 1-30/mm, and (3) a radius of curvature of the sheath yarn forming loops is 2.0-30.0 mm.
    Type: Application
    Filed: September 12, 2017
    Publication date: August 1, 2019
    Inventors: Isshin Katsube, Masato Masuda