Patents by Inventor Takahiro Aonuma

Takahiro Aonuma 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: 10442466
    Abstract: Provided is a frame structure of a vehicle comprising a front side frame; a reinforcing member disposed in a closed cross section; and an inner bead portion which is formed from a plurality of ridgelines extending vertically on a side wall of the front side frame and projects inwardly into the closed cross section, in which the side wall has the front inclined planar portion which includes a line connecting the upper end portion of the intermediate ridgeline with the middle portion of the front ridgeline; and the rear inclined planar portion which includes a line connecting the upper end portion of the intermediate ridgeline with the middle portion of the rear ridgeline, and the reinforcing member is joined to the front proximal portion and the rear proximal portion of the intermediate ridgeline, which are the front and rear inclined planar portions.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: October 15, 2019
    Assignee: Mazda Motor Corporation
    Inventors: Takashi Narahara, Takahiro Aonuma, Kazuto Ishii, Hiroto Kido, Takehito Kobayashi, Ken Fujimoto, Taiga Kamikawaji
  • Patent number: 10189505
    Abstract: A side body structure of a vehicle is provided, which includes a hinge pillar having a hinge pillar member forming, in a side part of the vehicle, a closed section space extending continuously in vertical directions of the vehicle, a side sill having a side sill member forming, on a rear side of the hinge pillar in the side part of the vehicle, a closed section space extending continuously in longitudinal directions of the vehicle, and a closed section space component forming, in a connecting part between a lower end part of the hinge pillar and a front end part of the side sill, a closed section space extending continuously in the longitudinal directions and connecting to the closed section space of the side sill on the rear side, the closed section space of the closed section space component having a vertical dimension that increases toward a front side.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: January 29, 2019
    Assignee: Mazda Motor Corporation
    Inventors: Takashi Narahara, Morihide Yamada, Takahiro Aonuma, Masaya Nishimoto, Nobuhiko Yokoyama, Atsushi Kawamoto
  • Patent number: 10183705
    Abstract: In a lower vehicle-body structure of a vehicle which comprises a suspension cross member, a side member, and first and second reinforcing members which are provided in a closed cross section formed by the side member and a slant portion, the suspension cross member being fixed by fastening a bolt which is inserted through the suspension cross member to a weld nut which is vertically fixed to a bottom plate portion of the side member, the first reinforcing member is joined to a front-side semicircular portion of a peripheral portion of the weld nut and the second reinforcing member is joined to a rear-side semicircular portion of the peripheral portion of the weld nut.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: January 22, 2019
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Takashi Narahara, Masaya Nishimoto, Takahiro Aonuma, Kazuto Ishii, Ken Fujimoto
  • Publication number: 20180251158
    Abstract: Provided is a frame structure of a vehicle comprising a front side frame; a reinforcing member disposed in a closed cross section; and an inner bead portion which is formed from a plurality of ridgelines extending vertically on a side wall of the front side frame and projects inwardly into the closed cross section, in which the side wall has the front inclined planar portion which includes a line connecting the upper end portion of the intermediate ridgeline with the middle portion of the front ridgeline; and the rear inclined planar portion which includes a line connecting the upper end portion of the intermediate ridgeline with the middle portion of the rear ridgeline, and the reinforcing member is joined to the front proximal portion and the rear proximal portion of the intermediate ridgeline, which are the front and rear inclined planar portions.
    Type: Application
    Filed: January 18, 2017
    Publication date: September 6, 2018
    Applicant: Mazda Motor Corporation
    Inventors: Takashi Narahara, Takahiro Aonuma, Kazuto Ishii, Hiroto Kido, Takehito Kobayashi, Ken Fujimoto, Taiga Kamikawaji
  • Publication number: 20170313357
    Abstract: A side body structure of a vehicle is provided, which includes a hinge pillar having a hinge pillar member forming, in a side part of the vehicle, a closed section space extending continuously in vertical directions of the vehicle, a side sill having a side sill member forming, on a rear side of the hinge pillar in the side part of the vehicle, a closed section space extending continuously in longitudinal directions of the vehicle, and a closed section space component forming, in a connecting part between a lower end part of the hinge pillar and a front end part of the side sill, a closed section space extending continuously in the longitudinal directions and connecting to the closed section space of the side sill on the rear side, the closed section space of the closed section space component having a vertical dimension that increases toward a front side.
    Type: Application
    Filed: April 18, 2017
    Publication date: November 2, 2017
    Inventors: Takashi Narahara, Morihide Yamada, Takahiro Aonuma, Masaya Nishimoto, Nobuhiko Yokoyama, Atsushi Kawamoto
  • Publication number: 20170225718
    Abstract: In a lower vehicle-body structure of a vehicle which comprises a suspension cross member, a side member, and first and second reinforcing members which are provided in a closed cross section formed by the side member and a slant portion, the suspension cross member being fixed by fastening a bolt which is inserted through the suspension cross member to a weld nut which is vertically fixed to a bottom plate portion of the side member, the first reinforcing member is joined to a front-side semicircular portion of a peripheral portion of the weld nut and the second reinforcing member is joined to a rear-side semicircular portion of the peripheral portion of the weld nut.
    Type: Application
    Filed: December 21, 2016
    Publication date: August 10, 2017
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Takashi NARAHARA, Masaya NISHIMOTO, Takahiro AONUMA, Kazuto ISHII, Ken FUJIMOTO
  • Patent number: 7703805
    Abstract: A bridge-shaped frame member is disposed on a front side frame in front of a suspension tower so as to extend vertically and stride over a No. 4 mount. Accordingly, there can be provided a vehicle front body structure that can attain a proper energy absorption of the front side frame with its axial compression can be attained at a vehicle crash.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: April 27, 2010
    Assignee: Mazda Motor Corporation
    Inventors: Shin Sasaki, Minoru Inoue, Takahiro Aonuma, Hiroaki Fujii
  • Publication number: 20070215402
    Abstract: A bridge-shaped frame member is disposed on a front side frame in front of a suspension tower so as to extend vertically and stride over a No. 4 mount. Accordingly, there can be provided a vehicle front body structure that can attain a proper energy absorption of the front side frame with its axial compression can be attained at a vehicle crash.
    Type: Application
    Filed: February 22, 2007
    Publication date: September 20, 2007
    Inventors: Shin Sasaki, Minoru Inoue, Takahiro Aonuma, Hiroaki Fujii
  • Patent number: 7270368
    Abstract: A shroud supporting structure is provided which includes a shroud 5 which has a rectangular shape and whose opening is oriented in the front and rear directions of an automobile, in which: to front-end parts 3 of a pair of front side-frames 2 which is disposed on both right and left sides, first height portions A, B in both side parts 5c, 5d of the shroud 5 which correspond to the front-end parts 3 are attached; and protrusion portions 5f, 5g which protrude sideward in second height portions C, D that are located above the first height portions A, B in both side parts 5c, 5d are attached to brackets 6, 7 which protrude upward from the front-end parts 3 of the front side-frames 2.
    Type: Grant
    Filed: December 14, 2004
    Date of Patent: September 18, 2007
    Assignee: Mazda Motor Corporation
    Inventors: Takahiro Aonuma, Tatsuo Nozaki
  • Publication number: 20050134094
    Abstract: A shroud supporting structure is provided which includes a shroud 5 which has a rectangular shape and whose opening is oriented in the front and rear directions of an automobile, in which: to front-end parts 3 of a pair of front side-frames 2 which is disposed on both right and left sides, first height portions A, B in both side parts 5c, 5d of the shroud 5 which correspond to the front-end parts 3 are attached; and protrusion portions 5f, 5g which protrude sideward in second height portions C, D that are located above the first height portions A, B in both side parts 5c, 5d are attached to brackets 6, 7 which protrude upward from the front-end parts 3 of the front side-frames 2.
    Type: Application
    Filed: December 14, 2004
    Publication date: June 23, 2005
    Applicant: Mazda Motor Corporation
    Inventors: Takahiro Aonuma, Tatsuo Nozaki
  • Patent number: 4634173
    Abstract: An automobile rear upper body structure including a roof panel formed with a longitudinally extending recessed groove along each side edge portion, a rear header extends along the rear edge of the roof panel and connected thereto. The rear header is also connected with a rear pillar inner panel. There is provided a corner reinforcement having one side edge connected with the rear pillar inner panel and the other side edge connected with the rear header. The corner reinforcement is of a convex configuration with the crest portion welded to the recessed groove of the roof panel.
    Type: Grant
    Filed: July 15, 1985
    Date of Patent: January 6, 1987
    Assignee: Mazda Motor Corporation
    Inventors: Takahiro Aonuma, Minoru Konishi