Patents by Inventor Yosuke YABUMOTO

Yosuke YABUMOTO 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).

  • Lower vehicle-body structure of vehicle
    Patent number: 11142261
    Abstract: The support stiffness of a suspension supporting portion can be improved to reduce floor vibration. Arm front-end supporting portions, each supporting a front end portion of a trailing of a rear suspension, are formed on lower portions of rear frames extending in a vehicle longitudinal direction, and each include a squared U-shape portion including outer, inner and front wall portions, with a rear side being open when viewed from the bottom, and an extending outer wall portion extending from the outer wall portion to in front of the front wall portion. The outer wall portion and extending outer wall portion are formed by a side sill inner portion joined to each rear side frame. Also, each arm front-end supporting portion includes an extending inner wall portion extending from the inner wall portion to in front of the front wall portion and joined to each of the rear side frames.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: October 12, 2021
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Shigeru Nakauchi, Masanobu Hanazaki, Toshio Kimura, Sho Kurokawa, Kinya Sakaguchi, Kouki Sato, Yosuke Yabumoto, Hiroshi Matsubara, Yohei Izumi, Kentaro Nomura
  • LOWER VEHICLE-BODY STRUCTURE OF VEHICLE
    Publication number: 20190389515
    Abstract: The support stiffness of a suspension supporting portion can be improved to reduce floor vibration. Arm front-end supporting portions, each supporting a front end portion of a trailing of a rear suspension, are formed on lower portions of rear frames extending in a vehicle longitudinal direction, and each include a squared U-shape portion including outer, inner and front wall portions, with a rear side being open when viewed from the bottom, and an extending outer wall portion extending from the outer wall portion to in front of the front wall portion. The outer wall portion and extending outer wall portion are formed by a side sill inner portion joined to each rear side frame. Also, each arm front-end supporting portion includes an extending inner wall portion extending from the inner wall portion to in front of the front wall portion and joined to each of the rear side frames.
    Type: Application
    Filed: June 21, 2019
    Publication date: December 26, 2019
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Shigeru NAKAUCHI, Masanobu HANAZAKI, Toshio KIMURA, Sho KUROKAWA, Kinya SAKAGUCHI, Kouki SATO, Yosuke YABUMOTO, Hiroshi MATSUBARA, Yohei IZUMI, Kentaro NOMURA