Patents by Inventor Kuniyoshi Tashiro
Kuniyoshi Tashiro 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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Publication number: 20230106302Abstract: There are provided a vehicle-body member provided at a vehicle-body front portion, a bumper-face support member supporting a bumper face in front of the vehicle-body member, and plural brackets fixedly connecting the vehicle-body member and the bumper-face support member. The bracket comprises an inclination portion which is inclined such that a front side thereof is positioned on an inward or outward side, in the vehicle width direction, of the bracket, a high-rigidity portion, at least part of which is positioned at the inclination portion and which is configured to have high rigidity against an input of a load applied in a vehicle longitudinal direction, and a fragile portion which is configured to be deformable by receiving the input of the load applied in the vehicle longitudinal direction. The high-rigidity portion and the fragile portion are provided adjacently to each other in the vehicle longitudinal direction.Type: ApplicationFiled: August 15, 2022Publication date: April 6, 2023Applicant: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi TASHIRO, Masayuki FURUTANI
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Publication number: 20230105286Abstract: A bumper-face support member extending in a vehicle width direction in front of a vehicle-body member provided at a vehicle-body front portion and having an attachment portion where a bumper face is attached, plural brackets fixedly connecting the vehicle-body member and the bumper-face support member, a bumper beam extending in the vehicle width direction below the bumper-face support member, and a stay connecting the bumper-face support member and the bumper beam in a vertical direction are provide. The stay has a deformation promotion portion configured to be bent so as to promote deformation of the stay when a collision load is downwardly inputted to the bumper-face support member.Type: ApplicationFiled: July 13, 2022Publication date: April 6, 2023Applicant: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi TASHIRO, Hiroshi MIZUGUCHI
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Patent number: 11618504Abstract: There is provided a bracket which connects an apron reinforcement provided below a bonnet and an upper portion of a fender provided on an outward side, in a vehicle width direction, of the bonnet. The bracket comprises a fender fixing portion fixed to a flange portion of an upper end portion of the fender, a body portion extending downwardly from the fender fixing portion and positioned on the outward side of the apron reinforcement, and an apron-reinforcement fixing portion extending from an inward side, in the vehicle width direction, of the body portion toward the apron reinforcement and fixed to the apron reinforcement. The body portion is provided with a curved part which is configured to be curved outwardly in the vehicle width direction.Type: GrantFiled: January 28, 2021Date of Patent: April 4, 2023Assignee: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi Tashiro, Shigeaki Watanabe, Ryuichi Takahashi, Masatoki Kito, Susumu Kuroda, Reiko Yoshiura, Tomohiro Shimada, Kazumichi Takeshige, Qiang Wang, Toshihiro Nakaza, Satoru Eguchi, Hayato Miyazaki
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Publication number: 20220379964Abstract: A front side frame provided on each of right and left sides of the vehicle and extending in a vehicle longitudinal direction; and a bumper beam provided on a vehicle front side of each of the front side frames and having an inclined section in each end portion in a vehicle width direction, the bumper beam extending outward in the vehicle width direction and being inclined rearward in. A crash can is provided in a front end portion of each of the front side frames, extends forward, and is inclined outward in the vehicle width direction. A front end portion of each of the crash cans is coupled to the respective inclined section of the bumper beam. On an inner side in the vehicle width direction of each of the crash cans, a vulnerable portion is provided, and has low strength against a collision load input to the bumper beam.Type: ApplicationFiled: May 5, 2022Publication date: December 1, 2022Applicant: Mazda Motor CorporationInventors: Kuniyoshi TASHIRO, Ippei KURODA, Hiroto KIDO, Ayaka FUKUDA
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Patent number: 11472482Abstract: A front vehicle-body structure of a vehicle that enables smooth compressive deformation of a front side frame from the front side thereof on a vehicle frontal collision portion. The front vehicle-body structure of a vehicle includes a pair of left and right front side frames extending in a vehicle front-rear direction is characterized in that each of the front side frames is formed such that a rear side portion has a higher rigidity than a front side portion, and rigidity differences are alternately formed in the vehicle front-rear direction in each of regions of the front side portion and the rear side portion.Type: GrantFiled: October 9, 2020Date of Patent: October 18, 2022Assignee: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi Tashiro, Shigeaki Watanabe
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Patent number: 11345404Abstract: A front vehicle-body structure is characterized in that each of front side frames includes outer and inner members. The outer and inner members have vertical wall surface portions in which a recessed bead extending from a front side to at least a position next to a suspension tower portion in a vehicle front-rear direction is formed. A reinforcement extending in the vehicle front-rear direction and in an up-down direction that divides a closed cross-section of the front side frame into left and right is included between the members of the front side frame to which the suspension tower portion is connected. The reinforcement is formed to join to upper flange portions and lower flange portions of the members of the front side frame with the reinforcement being interposed between the upper flange portions and between the lower flange portions and to linearly extend in the up-down direction.Type: GrantFiled: October 9, 2020Date of Patent: May 31, 2022Assignee: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi Tashiro, Shigeaki Watanabe
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Patent number: 11332002Abstract: In an engine compartment, a separation wall is provided between an intake pipe, which runs around to a rear side of the engine from a lateral side of the engine, and the engine. On an outer side of this separation wall, a travel wind guide having a vertical wall portion that opposes the separation wall with the intake pipe being therebetween is provided. The travel wind guide guides vehicle travel wind that is introduced into the engine compartment in a manner to cause the vehicle travel wind to flow along the intake pipe on the outer side of the separation wall.Type: GrantFiled: July 15, 2020Date of Patent: May 17, 2022Assignee: MAZDA MOTOR CORPORATIONInventors: Yuta Takamura, Motohiro Ariki, Shigeaki Watanabe, Kazuki Yamauchi, Kuniyoshi Tashiro
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Patent number: 11225288Abstract: A suspension having a first link member that is coupled to a front wheel and a second link member that is located on a rear side of the first link member is mounted to a suspension housing. The suspension housing has a first supporting part that supports the first link member and a second supporting part that is provided on a rear side of the first supporting part and supports the second link member. The front frame has a first fixing portion to which the first supporting part is fixed and a second fixing portion to which the second supporting part is fixed, and the first fixing portion and the second fixing portion are provided at positions different from each other in a vehicle width direction.Type: GrantFiled: September 12, 2019Date of Patent: January 18, 2022Assignee: Mazda Motor CorporationInventors: Shigeaki Watanabe, Kuniyoshi Tashiro, Hiroki Matsuoka
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Patent number: 11110966Abstract: A front body structure of the vehicle includes a pair of left and right apron reinforcements, a pair of left and right front side frames, a pair of left and right suspension housings, and a sub-frame. The front body structure of the vehicle further includes a shroud upper that joins the front ends of the apron reinforcements, a pair of left and right shroud members that join the shroud upper and the front ends of the front side frames, and a pair of left and right front joint members that join the front ends of the front side frames and the sub-frame, in which the shroud members are joined to the upper surfaces and the side surfaces of the front side frames.Type: GrantFiled: August 12, 2019Date of Patent: September 7, 2021Assignee: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi Tashiro, Shigeaki Watanabe, Hidenori Matsuoka
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Publication number: 20210261194Abstract: There is provided a bracket which connects an apron reinforcement provided below a bonnet and an upper portion of a fender provided on an outward side, in a vehicle width direction, of the bonnet. The bracket comprises a fender fixing portion fixed to a flange portion of an upper end portion of the fender, a body portion extending downwardly from the fender fixing portion and positioned on the outward side of the apron reinforcement, and an apron-reinforcement fixing portion extending from an inward side, in the vehicle width direction, of the body portion toward the apron reinforcement and fixed to the apron reinforcement. The body portion is provided with a curved part which is configured to be curved outwardly in the vehicle width direction.Type: ApplicationFiled: January 28, 2021Publication date: August 26, 2021Applicant: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi TASHIRO, Shigeaki WATANABE, Ryuichi TAKAHASHI, Masatoki KITO, Susumu KURODA, Reiko YOSHIURA, Tomohiro SHIMADA, Kazumichi TAKESHIGE, Qiang WANG, Toshihiro NAKAZA, Satoru EGUCHI, Hayato MIYAZAKI
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Patent number: 11084532Abstract: A front body structure of the vehicle has a pair of left and right suspension housings provided in desired positions separated from the dash panel toward the vehicle front side. The front body structure of the vehicle further includes a first ring-shaped structural frame that passes through shroud members and is substantially ring-shaped in front view, a second ring-shaped structural frame that passes through the suspension housings and is substantially ring-shaped in front view, and a third ring-shaped structural frame that passes through hinge pillars and is substantially ring-shaped in front view, in which these ring-shaped structural frames are joined to each other by apron reinforcements, front side frames, and side members of the sub-frame.Type: GrantFiled: August 12, 2019Date of Patent: August 10, 2021Assignee: MAZDA MOTOR CORPORATIONInventors: Shigeaki Watanabe, Kuniyoshi Tashiro, Kazuki Yamauchi, Hidenori Matsuoka
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Publication number: 20210114662Abstract: A front vehicle-body structure is characterized in that each of front side frames includes outer and inner members. The outer and inner members have vertical wall surface portions in which a recessed bead extending from a front side to at least a position next to a suspension tower portion in a vehicle front-rear direction is formed. A reinforcement extending in the vehicle front-rear direction and in an up-down direction that divides a closed cross-section of the front side frame into left and right is included between the members of the front side frame to which the suspension tower portion is connected. The reinforcement is formed to join to upper flange portions and lower flange portions of the members of the front side frame with the reinforcement being interposed between the upper flange portions and between the lower flange portions and to linearly extend in the up-down direction.Type: ApplicationFiled: October 9, 2020Publication date: April 22, 2021Applicant: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi TASHIRO, Shigeaki WATANABE
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Publication number: 20210114666Abstract: A front vehicle-body structure of a vehicle that enables smooth compressive deformation of a front side frame from the front side thereof on a vehicle frontal collision portion. The front vehicle-body structure of a vehicle includes a pair of left and right front side frames extending in a vehicle front-rear direction is characterized in that each of the front side frames is formed such that a rear side portion has a higher rigidity than a front side portion, and rigidity differences are alternately formed in the vehicle front-rear direction in each of regions of the front side portion and the rear side portion.Type: ApplicationFiled: October 9, 2020Publication date: April 22, 2021Applicant: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi TASHIRO, Shigeaki WATANABE
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Patent number: 10906486Abstract: The crush can 4 is provided therein with the ribs 46 and 47 extending in the vehicle front and rear direction. The bumper beam 6 is provided therein with the ribs 66 and 67 extending in the vehicle front and rear direction. The rib 46 of the crush can 4 and the rib 66 of the bumper beam 6 are disposed at approximately the same height, and the rib 47 of the crush can 4 and the rib 67 of the bumper beam 6 are disposed at approximately the same height.Type: GrantFiled: October 11, 2017Date of Patent: February 2, 2021Assignee: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi Tashiro, Ippei Kuroda, Satoshi Nakamura
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Patent number: 10906485Abstract: The crush can 4 is provided therein with the ribs 46 and 47. The front side frame 2 has the inner plate part 24 and the outer plate part 23 in the vehicle width direction. The inner plate part 24 and the outer plate part 23 are provided with recessed linear portions 23a and 24a recessed toward an inner side of the front side frame 2 and extending in the vehicle front and rear direction, respectively. The recessed linear portions 23a and 24a and the ribs 46 and 47 of the crush can 4 are disposed at approximately the same heights, respectively.Type: GrantFiled: October 11, 2017Date of Patent: February 2, 2021Assignee: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi Tashiro, Ippei Kuroda, Satoshi Nakamura
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Publication number: 20210023938Abstract: In an engine compartment, a separation wall is provided between an intake pipe, which runs around to a rear side of the engine from a lateral side of the engine, and the engine. On an outer side of this separation wall, a travel wind guide having a vertical wall portion that opposes the separation wall with the intake pipe being therebetween is provided. The travel wind guide guides vehicle travel wind that is introduced into the engine compartment in a manner to cause the vehicle travel wind to flow along the intake pipe on the outer side of the separation wall.Type: ApplicationFiled: July 15, 2020Publication date: January 28, 2021Applicant: Mazda Motor CorporationInventors: Yuta TAKAMURA, Motohiro ARIKI, Shigeaki WATANABE, Kazuki YAMAUCHI, Kuniyoshi TASHIRO
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Patent number: 10882482Abstract: The inner side of the crush can 4 in the vehicle width direction extends forward relative to the outer side. The inner side of the crush can 4 in the vehicle width direction is formed with the cutout portions 70 to 73 by cutting off a part of a material.Type: GrantFiled: October 11, 2017Date of Patent: January 5, 2021Assignee: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi Tashiro, Ippei Kuroda, Satoshi Nakamura
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Patent number: 10864871Abstract: When viewed from the vehicle front and rear direction, the front end portions of the upper plate part 21, the lower plate part 22, the left plate part 23, and the right plate part 24 of the left front side frame 2 and the rear end portions of the upper wall part 41, the lower wall part 42, the left wall part 43, and the right wall part 44 of the left crush can 4 overlap each other.Type: GrantFiled: October 11, 2017Date of Patent: December 15, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Kuniyoshi Tashiro, Ippei Kuroda, Satoshi Nakamura
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Publication number: 20200361538Abstract: The present application discloses an engine room structure of a vehicle including: a partitioning wall configured to partition a storage space in which an engine is stored from a piping space to form an intake passage for supplying air to a combustion chamber of the engine; and an intake pipe which partially forms the intake passage in the piping space, wherein the intake pipe extends along the partitioning wall, the intake pipe being integrally formed with the partitioning wall.Type: ApplicationFiled: August 1, 2018Publication date: November 19, 2020Inventors: Satoshi HARADA, Yousuke IWASAKI, Osamu KISHI, Masaki HARADA, Motohiro ARIKI, Yuta TAKAMURA, Kuniyoshi TASHIRO, Shigeaki WATANABE, Kazuki YAMAUCHI, Yoshiyuki KASUGA
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Patent number: 10836438Abstract: A front vehicle-body structure of a vehicle comprises a dash panel, a pair of right-and-left hinge pillars, and a suspension tower, wherein the dash panel comprises a dash panel body which constitutes a partition wall positioned at a front side of a cabin portion and a dash cross member which is joined to a front face of a lower portion of the dash panel body and interconnects respective lower portions of the right-and-left hinge pillars in a vehicle width direction, and there are provided a pair of right-and-left heat-insulating inner lower portion, each of which connects the suspension tower and the dash cross member.Type: GrantFiled: March 7, 2019Date of Patent: November 17, 2020Assignee: MAZDA MOTOR CORPORATIONInventors: Kazuki Yamauchi, Hidenori Matsuoka, Kuniyoshi Tashiro