Patents by Inventor Hirotsugu KUBOYAMA

Hirotsugu KUBOYAMA 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: 8684385
    Abstract: A steering damper device for a saddle riding vehicle includes a tubular damper including a cylindrical damper cylinder and a piston rod slidably passed through the damper cylinder. Either the damper cylinder or the piston rod is supported on an upper frame or a down frame of the saddle riding vehicle. The upper frame extends rearwardly from a head pipe through which a steering shaft passes and which holds the steering shaft therein rotatably about an axis thereof. The down frame extends downwardly from the head pipe. The steering shaft rotates with a bottom bridge. The tubular damper is disposed such that an axis thereof is disposed on a vehicle width direction central plane. The tubular damper extends or contracts as the bottom bridge rotates. The tubular damper extends or contracts within a space between the upper frame and the down frames in a side view.
    Type: Grant
    Filed: January 4, 2011
    Date of Patent: April 1, 2014
    Assignee: Honda Motor Co., Ltd.
    Inventors: Hirotsugu Kuboyama, Kazuhiko Gogo, Mikio Uchiyama
  • Patent number: 8550201
    Abstract: A pair of left and right arm portions integrally formed by molding with a pivot portion formed on front ends and an axle support portion formed on rear ends. An opening portion with a peripheral portion endlessly contiguously formed by a pivot portion that connects front ends of both arm portions, a cross portion and both arm portions. A pair of left and right indented recessed portions is formed on an inner surface of a wall having support bosses projecting out of a lower surface of the wall. A pair of left and right reinforcing ribs that is positioned outside both recessed portions in the vehicle widthwise direction are integrally formed on the inner surface of the wall on which the support bosses is formed in a projecting manner toward the inside of the cross portion.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: October 8, 2013
    Assignee: Honda Motor Co., Ltd.
    Inventors: Mikio Uchiyama, Hirotsugu Kuboyama, Shinichi Ozeki
  • Publication number: 20130049323
    Abstract: A pair of left and right arm portions integrally formed by molding with a pivot portion formed on front ends and an axle support portion formed on rear ends. An opening portion with a peripheral portion endlessly contiguously formed by a pivot portion that connects front ends of both arm portions, a cross portion and both arm portions. A pair of left and right indented recessed portions is formed on an inner surface of a wall having support bosses projecting out of a lower surface of the wall. A pair of left and right reinforcing ribs that is positioned outside both recessed portions in the vehicle widthwise direction are integrally formed on the inner surface of the wall on which the support bosses is formed in a projecting manner toward the inside of the cross portion.
    Type: Application
    Filed: August 16, 2012
    Publication date: February 28, 2013
    Inventors: Mikio UCHIYAMA, Hirotsugu KUBOYAMA, Shinichi OZEKI
  • Publication number: 20110175321
    Abstract: A steering damper device for a saddle riding vehicle includes a tubular damper including a cylindrical damper cylinder and a piston rod slidably passed through the damper cylinder. Either the damper cylinder or the piston rod is supported on an upper frame or a down frame of the saddle riding vehicle. The upper frame extends rearwardly from a head pipe through which a steering shaft passes and which holds the steering shaft therein rotatably about an axis thereof. The down frame extends downwardly from the head pipe. The steering shaft rotates with a bottom bridge. The tubular damper is disposed such that an axis thereof is disposed on a vehicle width direction central plane. The tubular damper extends or contracts as the bottom bridge rotates. The tubular damper extends or contracts within a space between the upper frame and the down frames in a side view.
    Type: Application
    Filed: January 4, 2011
    Publication date: July 21, 2011
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Hirotsugu KUBOYAMA, Kazuhiko GOGO, Mikio UCHIYAMA