Patents by Inventor Kazuhiko Yokoi

Kazuhiko Yokoi 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: 11376646
    Abstract: A hot-stamped and trimmed part is produced by hot pressing a blank and then cutting off an excess outer peripheral portion by laser machining, an outer peripheral shape of the hot-stamped and trimmed part includes a laser trim line formed by cutting in the laser machining, and a press trim line formed by shearing in the hot pressing or pressing performed before the hot pressing, and the laser trim line and the press trim line are connected via a projecting corner portion.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: July 5, 2022
    Assignee: Toyoda Iron Works Co., Ltd.
    Inventors: Kazuhiko Yokoi, Yasuhisa Sakashita
  • Publication number: 20200282441
    Abstract: A hot-stamped and trimmed part is produced by hot pressing a blank and then cutting off an excess outer peripheral portion by laser machining, an outer peripheral shape of the hot-stamped and trimmed part includes a laser trim line formed by cutting in the laser machining, and a press trim line formed by shearing in the hot pressing or pressing performed before the hot pressing, and the laser trim line and the press trim line are connected via a projecting corner portion.
    Type: Application
    Filed: May 22, 2020
    Publication date: September 10, 2020
    Applicant: TOYODA IRON WORKS CO., LTD.
    Inventors: Kazuhiko Yokoi, Yasuhisa Sakashita
  • Publication number: 20170326613
    Abstract: A hot-stamped and trimmed part is produced by hot pressing a blank and then cutting off an excess outer peripheral portion by laser machining, an outer peripheral shape of the hot-stamped and trimmed part includes a laser trim line formed by cutting in the laser machining, and a press trim line formed by shearing in the hot pressing or pressing performed before the hot pressing, and the laser trim line and the press trim line are connected via a projecting corner portion.
    Type: Application
    Filed: November 18, 2015
    Publication date: November 16, 2017
    Applicant: Toyoda Iron Works Co., Ltd.
    Inventors: Kazuhiko YOKOI, Yasuhisa SAKASHITA
  • Publication number: 20100314426
    Abstract: It is provided a support structure for a cooling unit for a vehicle, in which in one straight side edge portion of a rectangular cooling unit, a first support point and a second support point, which are set to be away from each other in a longitudinal direction of the one side edge portion, are supported by a first retention portion and a second retention portion, respectively, the first retention portion and the second retention portion being provided in a single support bracket fixed integrally to a vehicle body, the second retention portion supporting the second support point through a fragile portion that is broken to permit the second support point to be separated from the second retention portion when an external force equal to or larger than a predetermined value is applied to the second support point in a direction toward a rear side of a vehicle; and when the fragile portion is broken, the second support point being permitted to move toward the rear side of the vehicle, and to pivot in a direction of
    Type: Application
    Filed: June 9, 2010
    Publication date: December 16, 2010
    Inventors: Kazuhiko Yokoi, Hiroyasu Kosaka
  • Publication number: 20050240308
    Abstract: The present invention provides a walking control method and a walking control apparatus for achieving stable attitude control of a legged robot. In the walking control of the legged robot, basically, a foot-sole coordinate system based on sole positions and having at least a first coordinate axis in a direction connecting soles of both legs and a second coordinate axis perpendicular to the first coordinate axis in a horizontal plane is used as a control coordinate system, and attitude control is performed with different control characteristics for the first and second coordinate axes.
    Type: Application
    Filed: May 7, 2003
    Publication date: October 27, 2005
    Applicant: Nat Institute of Advance Indust Science & Tech.
    Inventors: Kenji Kaneko, Kazuhiko Yokoi, Fumio Kanehiro, Shuuji Kajita, Kiyoshi Fujiwara, Hirohisa Hirukawa