Patents by Inventor Yutaro KONNO

Yutaro KONNO 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).

  • FRICTION STIR SPOT WELDER AND FRICTION STIR SPOT WELDING METHOD
    Publication number: 20230249281
    Abstract: A friction stir spot welder includes: a pin; a shoulder; a rotary driver; a tool driver; and circuitry that performs an operation of driving the rotary driver and the tool driver such that the pin and the shoulder press a workpiece by a first pressing force while rotating at a first rotational frequency, and after the operation, performs an operation of driving the rotary driver and the tool driver such that a tip of the shoulder in a rotating state is pressed in to a first position. The first position is a position corresponding to 46% or more of a thickness of the workpiece from a front surface of the workpiece. A press-in speed of the shoulder until the shoulder reaches the first position is a constant speed.
    Type: Application
    Filed: July 7, 2021
    Publication date: August 10, 2023
    Applicant: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Yutaro KONNO, Masahiro MIYAKE
  • Instrument panel beam, pair of brackets, and instrument panel beam assembly
    Patent number: 10836440
    Abstract: An instrument panel beam is the instrument panel beam that is arranged in the width direction of an automobile, and includes: a large-diameter hollow tube having a hollow cylindrical shape; and a small-diameter hollow tube which is joined to the large-diameter hollow tube in an axial direction, has a diameter that is smaller than that of the large-diameter hollow tube, and has a hollow cylindrical shape. The small-diameter hollow tube includes two flat plates that extend in a longitudinal direction and two bends that are curved in a circumferential direction, and the flat plates and the bends are alternately arranged in the circumferential direction.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: November 17, 2020
    Assignees: UACJ CORPORATION, UACJ EXTRUSION CORPORATION
    Inventors: Yutaro Konno, Akira Nishikawa, Yasuyuki Tanaka, Toshiaki Doi
  • INSTRUMENT PANEL BEAM, PAIR OF BRACKETS, AND INSTRUMENT PANEL BEAM ASSEMBLY
    Publication number: 20190337573
    Abstract: An instrument panel beam is the instrument panel beam that is arranged in the width direction of an automobile, and includes: a large-diameter hollow tube having a hollow cylindrical shape; and a small-diameter hollow tube which is joined to the large-diameter hollow tube in an axial direction, has a diameter that is smaller than that of the large-diameter hollow tube, and has a hollow cylindrical shape. The small-diameter hollow tube includes two flat plates that extend in a longitudinal direction and two bends that are curved in a circumferential direction, and the flat plates and the bends are alternately arranged in the circumferential direction.
    Type: Application
    Filed: July 17, 2018
    Publication date: November 7, 2019
    Inventors: Yutaro KONNO, Akira NISHIKAWA, Yasuyuki TANAKA, Toshiaki DOI