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).
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Patent number: 10442466Abstract: 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: GrantFiled: January 18, 2017Date of Patent: October 15, 2019Assignee: Mazda Motor CorporationInventors: Takashi Narahara, Takahiro Aonuma, Kazuto Ishii, Hiroto Kido, Takehito Kobayashi, Ken Fujimoto, Taiga Kamikawaji
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Patent number: 10189505Abstract: 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: GrantFiled: April 18, 2017Date of Patent: January 29, 2019Assignee: Mazda Motor CorporationInventors: Takashi Narahara, Morihide Yamada, Takahiro Aonuma, Masaya Nishimoto, Nobuhiko Yokoyama, Atsushi Kawamoto
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Patent number: 10183705Abstract: 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: GrantFiled: December 21, 2016Date of Patent: January 22, 2019Assignee: MAZDA MOTOR CORPORATIONInventors: Takashi Narahara, Masaya Nishimoto, Takahiro Aonuma, Kazuto Ishii, Ken Fujimoto
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Publication number: 20180251158Abstract: 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: ApplicationFiled: January 18, 2017Publication date: September 6, 2018Applicant: Mazda Motor CorporationInventors: Takashi Narahara, Takahiro Aonuma, Kazuto Ishii, Hiroto Kido, Takehito Kobayashi, Ken Fujimoto, Taiga Kamikawaji
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Publication number: 20170313357Abstract: 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: ApplicationFiled: April 18, 2017Publication date: November 2, 2017Inventors: Takashi Narahara, Morihide Yamada, Takahiro Aonuma, Masaya Nishimoto, Nobuhiko Yokoyama, Atsushi Kawamoto
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Publication number: 20170225718Abstract: 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: ApplicationFiled: December 21, 2016Publication date: August 10, 2017Applicant: MAZDA MOTOR CORPORATIONInventors: Takashi NARAHARA, Masaya NISHIMOTO, Takahiro AONUMA, Kazuto ISHII, Ken FUJIMOTO
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Patent number: 7703805Abstract: 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: GrantFiled: February 22, 2007Date of Patent: April 27, 2010Assignee: Mazda Motor CorporationInventors: Shin Sasaki, Minoru Inoue, Takahiro Aonuma, Hiroaki Fujii
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Publication number: 20070215402Abstract: 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: ApplicationFiled: February 22, 2007Publication date: September 20, 2007Inventors: Shin Sasaki, Minoru Inoue, Takahiro Aonuma, Hiroaki Fujii
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Patent number: 7270368Abstract: 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: GrantFiled: December 14, 2004Date of Patent: September 18, 2007Assignee: Mazda Motor CorporationInventors: Takahiro Aonuma, Tatsuo Nozaki
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Publication number: 20050134094Abstract: 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: ApplicationFiled: December 14, 2004Publication date: June 23, 2005Applicant: Mazda Motor CorporationInventors: Takahiro Aonuma, Tatsuo Nozaki
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Patent number: 4634173Abstract: 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: GrantFiled: July 15, 1985Date of Patent: January 6, 1987Assignee: Mazda Motor CorporationInventors: Takahiro Aonuma, Minoru Konishi