Patents by Inventor Kazuyuki MIWA

Kazuyuki MIWA 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 cleaver and optical fiber cleaving method
    Patent number: 11320593
    Abstract: An optical fiber cleaver includes: a body unit on which an optical fiber extending in a first direction is loaded; a lid unit connected to the body unit to be rotatable and openable; a pair of retainers arranged to be separate from each other in the first direction and retain the optical fiber between the pair of retainers when the lid unit is closed with respect to the body unit; a blade member that comes into contact with the optical fiber from one direction side of a second direction intersecting the first direction between the pair of retainers and hurt the optical fiber; and a movement unit that brings the blade member into contact with the optical fiber from the one direction side of the second direction and move the blade member to one direction side of a third direction intersecting the first direction and the second direction.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: May 3, 2022
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD.
    Inventors: Motoyoshi Kimura, Daizo Nishioka, Yusuke Takai, Kazuyuki Miwa, Tsuyoshi Imaizumi
  • OPTICAL FIBER CLEAVER AND OPTICAL FIBER CLEAVING METHOD
    Publication number: 20210080652
    Abstract: An optical fiber cleaver includes: a body unit on which an optical fiber extending in a first direction is loaded; a lid unit connected to the body unit to be rotatable and openable; a pair of retainers arranged to be separate from each other in the first direction and retain the optical fiber between the pair of retainers when the lid unit is closed with respect to the body unit; a blade member that comes into contact with the optical fiber from one direction side of a second direction intersecting the first direction between the pair of retainers and hurt the optical fiber; and a movement unit that brings the blade member into contact with the optical fiber from the one direction side of the second direction and move the blade member to one direction side of a third direction intersecting the first direction and the second direction.
    Type: Application
    Filed: December 11, 2018
    Publication date: March 18, 2021
    Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., JAPAN COMMUNICATION ACCESSORIES MANUFACTURING CO., LTD.
    Inventors: Motoyoshi KIMURA, Daizo NISHIOKA, Yusuke TAKAI, Kazuyuki MIWA, Tsuyoshi IMAIZUMI