Patents by Inventor Tomoharu Miyazawa

Tomoharu Miyazawa 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).

  • Wire operating tool and component for wire operating tool
    Patent number: 11664634
    Abstract: A wire operating tool, a component for the wire operating tool, a wire cutting and dividing method, and a wire connecting method are provided. The wire operating tool includes a first wire gripping tool; a first rod member connected to the first wire gripping tool and configured to be expanded and contracted in accordance with relative movement of a moving portion with respect to a base portion; a second wire gripping tool; a second rod member connected to the second wire gripping tool; a connecting member that connects the moving portion of the first rod member and the second rod member to each other in a separable manner; and a load bearing member configured to bear a tensile load acting on the first wire gripping tool and the second wire gripping tool when the moving portion of the first rod member and the second rod are in a separate state.
    Type: Grant
    Filed: November 1, 2019
    Date of Patent: May 30, 2023
    Assignee: NAGAKI SEIKI CO., LTD.
    Inventors: Takayuki Nagaki, Tomoharu Miyazawa
  • WIRE OPERATING TOOL, COMPONENT FOR WIRE OPERATING TOOL, WIRE CUTTING AND DIVIDING METHOD, AND WIRE CONNECTING METHOD
    Publication number: 20220013974
    Abstract: A wire operating tool, a component for the wire operating tool, a wire cutting and dividing method, and a wire connecting method are provided. The wire operating tool includes a first wire gripping tool; a first rod member connected to the first wire gripping tool and configured to be expanded and contracted in accordance with relative movement of a moving portion with respect to a base portion; a second wire gripping tool; a second rod member connected to the second wire gripping tool; a connecting member that connects the moving portion of the first rod member and the second rod member to each other in a separable manner; and a load bearing member configured to bear a tensile load acting on the first wire gripping tool and the second wire gripping tool when the moving portion of the first rod member and the second rod are in a separate state.
    Type: Application
    Filed: November 1, 2019
    Publication date: January 13, 2022
    Inventors: Takayuki NAGAKI, Tomoharu MIYAZAWA
  • Wire-tensioning device for live-wire separating tool
    Patent number: D855427
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: August 6, 2019
    Assignee: NAGAKI SEIKI CO., LTD.
    Inventor: Tomoharu Miyazawa
  • Wire-tensioning device for live-wire separating tool
    Patent number: D859110
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: September 10, 2019
    Assignee: NAGAKI SEIKI CO., LTD.
    Inventor: Tomoharu Miyazawa