Patents by Inventor Taiki YAMAKAWA

Taiki YAMAKAWA 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: 20210016832
    Abstract: In a bumper system, one end portion of a first tube is inserted into first beam holes, and the other end portion of the first tube is inserted into a first plate hole, one end portion of a second tube is inserted into second beam holes, and the other end portion of the second tube is inserted into a second plate hole. The bumper stay is joined to a bumper beam and a vehicle body plate by press-fitting in a state in which the first tube is expanded at the holes and the second tube is expanded at the holes. A first connection rib is in contact with the bumper beam, and a second connection rib is in contact with the vehicle body plate in the same direction as a direction in which the first connection rib is in contact with the bumper beam.
    Type: Application
    Filed: July 24, 2018
    Publication date: January 21, 2021
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventors: Toru HASHIMURA, Taiki YAMAKAWA
  • Publication number: 20200406844
    Abstract: A structural member for a vehicle includes bumper stays having a tubular configuration and fixed to each of front ends of a pair of front side members included in a vehicle, and a tubular bumper beam provided with holes and into which the bumper stay is inserted. Each of the bumper stays includes a first shock absorbing portion and a second shock absorbing portion provided adjacent to the first shock absorbing portion on an outer side.
    Type: Application
    Filed: February 4, 2019
    Publication date: December 31, 2020
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventors: Taiki YAMAKAWA, Toru HASHIMURA, Yasuhiro MAEDA
  • Publication number: 20200377046
    Abstract: A vehicle structure includes a first member that extends in a vehicle width direction, second members that extend in a front-back direction that are inserted in the front-back direction with respect to the first member, and third members that are arranged at end portions of the first member in the vehicle width direction and joined to the end portions.
    Type: Application
    Filed: December 14, 2018
    Publication date: December 3, 2020
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventors: Toru HASHIMURA, Taiki YAMAKAWA, Yasuhiro MAEDA, Kenichi WATANABE, Junya NAITO, Akihiko TATSUMI
  • Publication number: 20200014246
    Abstract: A wireless power transmission system includes a power-supplying device including an electronic oscillator that generates electric power having a frequency of 1 MHz or more and 5 MHz or less, and a power-supplying coil member in which the electric power flows; and a power-receiving device including a power-receiving coil member that is capable of generating electric power based on the magnetic field generating from the power-supplying coil member, wherein the power-receiving coil member is a sheet coil including an insulating layer and a first coil pattern disposed at one side of the insulating layer, the first coil pattern is composed of wires, and the wires are disposed in spaced apart relation from each other with a predetermined space provided therebetween in the radial direction of the first coil pattern.
    Type: Application
    Filed: March 28, 2018
    Publication date: January 9, 2020
    Applicant: NITTO DENKO CORPORATION
    Inventors: Taiki SUEYOSHI, Masami INOUE, Hisashi TSUDA, Takashi ODA, Kaoru ITO, Hideshi YAMAKAWA, Daigo TSUBAI, Toru MIZUTANI, Yasuyuki OTA
  • Publication number: 20200010122
    Abstract: A vehicle structural member includes an elongate hollow member having an integrated structure, and supporting members joined to the elongate hollow member. The elongate hollow member includes: a first portion that includes a first pipe, a second pipe disposed outside the first pipe and extending along the first pipe, and a connection portion extending along the first pipe and the second pipe, formed integrally with the first pipe and the second pipe, and connecting the first pipe and the second pipe; and a second portion that includes the first pipe continuing from the first portion, and does not include the second pipe.
    Type: Application
    Filed: March 15, 2018
    Publication date: January 9, 2020
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventors: Toru HASHIMURA, Taiki YAMAKAWA, Yasuhiro MAEDA
  • Publication number: 20190375355
    Abstract: A method for joining members according to an embodiment of the present invention includes: providing a bumper stay including two integrated pipe portions extending in an identical direction, the bumper stay including a recess provided between the pipe portions being adjacent to each other, the recess extending in a longitudinal direction of the pipe portions from end surfaces of the pipe portions, a part of the recess serving as a locking portion, and a bumper beam including a rear inclined wall formed with two hole portions into which the pipe portions of the bumper stay are insertable respectively; inserting the bumper stay into the hole portions of the bumper beam until the locking portion abuts on the rear inclined wall; and pipe-expanding an insertion portion of the bumper stay into the bumper beam to join the insertion portion to the bumper beam by press-fitting.
    Type: Application
    Filed: March 13, 2018
    Publication date: December 12, 2019
    Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.)
    Inventors: Yasuhiro MAEDA, Toru HASHIMURA, Kenichi WATANABE, Ryohei YUKISHIGE, Taiki YAMAKAWA