Patents by Inventor Taku Onodera

Taku Onodera 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).

  • Optical fiber winding bobbin, optical fiber winding method, and bobbin-wound optical fiber
    Patent number: 10662022
    Abstract: An optical fiber winding bobbin includes: a main winding body portion having an outer circumferential surface around which an optical fiber is wound; and a main winding flange that is disposed on one end portion of the main winding body portion in an axial direction and that protrudes radially outward. The main winding flange includes: an inner circumferential edge portion connected to the main winding body portion; a central portion; and an outer circumferential portion having a thin portion and positioned outward from the central portion in a radial direction. An axial thickness of the thin portion is smaller than an axial thickness of the inner circumferential edge.
    Type: Grant
    Filed: December 6, 2016
    Date of Patent: May 26, 2020
    Assignee: Fujikura Ltd.
    Inventors: Tsuyoshi Akamatsu, Taku Onodera, Satoshi Matsunaga
  • OPTICAL FIBER WINDING BOBBIN, OPTICAL FIBER WINDING METHOD, AND BOBBIN-WOUND OPTICAL FIBER
    Publication number: 20190016556
    Abstract: An optical fiber winding bobbin includes: a main winding body portion having an outer circumferential surface around which an optical fiber is wound; and a main winding flange that is disposed on one end portion of the main winding body portion in an axial direction and that protrudes radially outward. The main winding flange includes: an inner circumferential edge portion connected to the main winding body portion; a central portion; and an outer circumferential portion having a thin portion and positioned outward from the central portion in a radial direction. An axial thickness of the thin portion is smaller than an axial thickness of the inner circumferential edge.
    Type: Application
    Filed: December 6, 2016
    Publication date: January 17, 2019
    Applicant: FUJIKURA LTD.
    Inventors: Tsuyoshi Akamatsu, Taku Onodera, Satoshi Matsunaga