Patents by Inventor Atsuya Sakata

Atsuya Sakata 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).

  • Pack for spinning and method for producing fiber
    Patent number: 11525191
    Abstract: A pack for spinning is provided with a kneading part disposed on a spinneret. The kneading part includes: an introduction plate including a plurality of first introduction holes for introducing a melted polymer; and a plurality of kneading units including a supply plate including a plurality of independent supply grooves into which the polymer introduced from the introduction holes flows and one or more supply holes disposed in each of the supply grooves, and a converging plate including a plurality of converging grooves in which a plurality of grooves into which the polymer supplied from the supply holes flows are intersected and a plurality of second introduction holes disposed in each of the converging grooves.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: December 13, 2022
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Yasunori Kanemori, Joji Funakoshi, Atsuya Sakata, Tomohiko Matsuura
  • PACK FOR SPINNING AND METHOD FOR PRODUCING FIBER
    Publication number: 20200208300
    Abstract: A pack for spinning is provided with a kneading part disposed on a spinneret. The kneading part includes: an introduction plate including a plurality of first introduction holes for introducing a melted polymer; and a plurality of kneading units including a supply plate including a plurality of independent supply grooves into which the polymer introduced from the introduction holes flows and one or more supply holes disposed in each of the supply grooves, and a converging plate including a plurality of converging grooves in which a plurality of grooves into which the polymer supplied from the supply holes flows are intersected and a plurality of second introduction holes disposed in each of the converging grooves.
    Type: Application
    Filed: June 13, 2018
    Publication date: July 2, 2020
    Applicant: Toray Industries, Inc.
    Inventors: Yasunori Kanemori, Joji Funakoshi, Atsuya Sakata, Tomohiko Matsuura