Patents by Inventor Hiroyuki YOSHIKUNI

Hiroyuki YOSHIKUNI 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).

  • Patent number: 9745012
    Abstract: A vehicle includes a linkage, a steering force transmission, and a steering lock. The steering force transmission includes a rear shaft that is able to turn about a rear axis, a front shaft that is able to turn about a front axis, and a connector. When seen from a side of the vehicle, a distance between the front shaft and a right steering axis is smaller than a distance between the rear shaft and the right steering axis, and in which at least one portion of the steering lock that is mounted on the front shaft or a member that turns together with the front shaft and a member that is displaced relative thereto is provided in a position that overlaps a movable range of the linkage when seen from the side of the vehicle.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: August 29, 2017
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Kohsuke Ohno, Hiroyuki Yoshikuni, Nobuhiko Hirakawa
  • Patent number: 9731786
    Abstract: A vehicle includes a linkage, a steering force transmission, a steering lock and a steering stopper. The steering force transmission includes a rear shaft that is able to turn about a rear axis, a front shaft that is able to turn about a front axis, and a connector that transmits the turning of the rear shaft to the front shaft. The steering lock includes a first portion and a second portion which are able to be displaced relative to each other and makes it impossible for a right front wheel and a left front wheel to turn by making it impossible for the first portion to be displaced relative to the second portion.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: August 15, 2017
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Hiroyuki Yoshikuni, Kohsuke Ohno, Nobuhiko Hirakawa
  • Publication number: 20170088219
    Abstract: A vehicle includes a linkage, a steering force transmission, a steering lock and a steering stopper. The steering force transmission includes a rear shaft that is able to turn about a rear axis, a front shaft that is able to turn about a front axis, and a connector that transmits the turning of the rear shaft to the front shaft. The steering lock includes a first portion and a second portion which are able to be displaced relative to each other and makes it impossible for a right front wheel and a left front wheel to turn by making it impossible for the first portion to be displaced relative to the second portion.
    Type: Application
    Filed: September 29, 2016
    Publication date: March 30, 2017
    Inventors: Hiroyuki YOSHIKUNI, Kohsuke OHNO, Nobuhiko HIRAKAWA
  • Publication number: 20170088214
    Abstract: A vehicle includes a linkage, a steering force transmission, and a steering lock. The steering force transmission includes a rear shaft that is able to turn about a rear axis, a front shaft that is able to turn about a front axis, and a connector. When seen from a side of the vehicle, a distance between the front shaft and a right steering axis is smaller than a distance between the rear shaft and the right steering axis, and in which at least one portion of the steering lock that is mounted on the front shaft or a member that turns together with the front shaft and a member that is displaced relative thereto is provided in a position that overlaps a movable range of the linkage when seen from the side of the vehicle.
    Type: Application
    Filed: September 29, 2016
    Publication date: March 30, 2017
    Inventors: Kohsuke OHNO, Hiroyuki YOSHIKUNI, Nobuhiko HIRAKAWA