Patents by Inventor Nobuhiro Fukuura

Nobuhiro Fukuura 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).

  • Publication number: 20230341633
    Abstract: An optical fiber connector member includes an optical fiber and a housing into which the optical fiber is inserted and that fixes the optical fiber. The housing includes a wedge portion that pressurizes the optical fiber only in a first direction included in diametric directions of the optical fiber.
    Type: Application
    Filed: August 2, 2021
    Publication date: October 26, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Koichi TSUDA, Nobuhiro FUKUURA, Yusuke SHIMIZU
  • Publication number: 20230228948
    Abstract: A connector member fixes an optical fiber. The connector member includes an optical fiber; a clamping member that clamps the optical fiber; and a friction imparting member that is interposed between the optical fiber and the clamping member.
    Type: Application
    Filed: June 10, 2021
    Publication date: July 20, 2023
    Applicant: NITTO DENKO CORPORATION
    Inventors: Koichi TSUDA, Yusuke SHIMIZU, Nobuhiro FUKUURA
  • Publication number: 20220236478
    Abstract: Provided is a plastic optical fiber, which is suppressed from causing cracks even when used for a long period of time in a state of being subjected to an external force. A plastic optical fiber (10) of the present invention includes: a core portion (12); a cladding portion (14) arranged on an outer periphery of the core portion (12); and an over-cladding portion (16) arranged on an outer periphery of the cladding portion (14), wherein the over-cladding portion (16) has a birefringence ?n of 0.002 or more.
    Type: Application
    Filed: April 27, 2020
    Publication date: July 28, 2022
    Applicant: NITTO DENKO CORPORATION
    Inventors: Kazumasa Okada, Kentarou Takeda, Nobuhiro Fukuura