Patents by Inventor Ikuo Matsutori

Ikuo Matsutori 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: 11807959
    Abstract: A polyamide-610 filament has high strength and excels in fluff quality. The polyamide-610 multifilament has a sulfuric acid relative viscosity of 3.3-3.7, a strength of 7.3-9.2 cN/dtex, and an elongation of 20-30%, wherein the number of fluffs is 0/10000 m to 4/10000 m and a total fineness is 420 dtex to 1500 dtex.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: November 7, 2023
    Assignee: Toray Industries, Inc.
    Inventors: Yoshihiro Kurouzu, Ikuo Matsutori, Takashi Uruma
  • Publication number: 20210002790
    Abstract: A polyamide-610 filament has high strength and excels in fluff quality. The polyamide-610 multifilament has a sulfuric acid relative viscosity of 3.3-3.7, a strength of 7.3-9.2 cN/dtex, and an elongation of 20-30%, wherein the number of fluffs is 0/10000 m to 4/10000 m and a total fineness is 420 dtex to 1500 dtex.
    Type: Application
    Filed: February 22, 2019
    Publication date: January 7, 2021
    Inventors: Yoshihiro Kurouzu, Ikuo Matsutori, Takashi Uruma