Patents by Inventor Taiki Yotsuyanagi
Taiki Yotsuyanagi 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: 20230264559Abstract: A vehicle-body front structure includes a front-side battery frame which is provided in a front of the battery casing, a pair of left and right side frames which extend from the front-side battery frame toward vehicle front to be positioned on vehicle-width-direction outer sides toward front, and a cross member suspended between left and right. Outer ends of the cross member in a vehicle width direction extend to the vehicle-width-direction outer sides of outer ends, in the vehicle width direction, of fronts of the side frames.Type: ApplicationFiled: February 15, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Kota YOSHIDA, Taiki YOTSUYANAGI, Takehiro KAMEI, Satoshi NAKAMURA, Takayuki KIMURA
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Publication number: 20230264754Abstract: Both of a requirement for absorption of an impact load in a collision and a requirement for layout of direction and position of a steering wheel are satisfied based on a vehicle-body front structure that includes a partition wall portion which demarcates a vehicle cabin inside space. A lower-side portion of the partition wall portion is formed to be positioned further to vehicle rear toward a lower position. A traveling motor is installed below the lower-side portion of the partition wall portion. A recess portion which is recessed toward vehicle front is formed in a portion, on an upper side of the traveling motor, in the partition wall portion. An inserting hole through which a steering shaft is inserted is formed in a lower wall portion of the recess portion.Type: ApplicationFiled: February 15, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Kota YOSHIDA, Taiki YOTSUYANAGI, Takayuki KIMURA, Satoshi NAKAMURA, Yoshihiro MIYAMOTO
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Publication number: 20230264751Abstract: A vehicle-body front structure includes a partition wall portion which demarcates a space inside a vehicle cabin and a pair of left and right suspension tower portions which are formed to bulge inward in the vehicle width direction and support upper portions of front suspension apparatuses. A lower-side portion of the partition wall portion is formed to be positioned further to vehicle rear toward a lower position. A traveling motor is installed below the lower-side portion of the partition wall portion. An upper-side portion of the partition wall portion extends from an intermediate portion of the left suspension tower portion in a vehicle front-rear direction to an intermediate portion of the right suspension tower portion in the vehicle front-rear direction.Type: ApplicationFiled: February 15, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Kota YOSHIDA, Taiki YOTSUYANAGI, Takayuki KIMURA, Satoshi NAKAMURA, Yoshihiro MIYAMOTO
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Publication number: 20230264563Abstract: A vehicle-body structure improves mounting rigidity of a battery protection frame and rigidity of the battery protection frame itself by including a battery protection frame which has a hollow cross-section, a vehicle-body-side frame which extends along the battery protection frame and is coupled with the battery protection frame, and a fixation member which is inserted through a hole portion of the battery protection frame and is capable of fixing the battery protection frame to a vehicle body component as another component than the vehicle-body-side frame in an internal portion of the battery protection frame.Type: ApplicationFiled: February 16, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Eiji KAMEMOTO, Takehiro KAMEI, Taiki YOTSUYANAGI
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Publication number: 20230264552Abstract: A vehicle-body front structure includes a partition wall portion which demarcates a vehicle cabin inside space, a motor arrangement portion which is formed by causing a part of the partition wall portion to bulge to an inside of a vehicle cabin, a panel reinforcement that is provided to a surface of the partition wall portion on the inside of the vehicle cabin and has a portion which extends in a vehicle width direction so as to surround at least a part of a periphery of the motor arrangement portion, and a central reinforcement which is provided to the surface of the partition wall portion on the inside of the vehicle cabin and extends from an intermediate portion of the panel reinforcement in the vehicle width direction to vehicle rear.Type: ApplicationFiled: February 13, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Yasuaki SETOH, Taiki YOTSUYANAGI, Yoshihiro MIYAMOTO, Akiko KAWAMOTO, Satoshi NAKAMURA
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Publication number: 20230264746Abstract: A vehicle-body front structure includes a front-side battery frame which is provided in a front of the battery casing 10a pair of left and right side frames which extend from the front-side battery frame toward vehicle front to be positioned on vehicle-width-direction outer sides toward front, a pair of left and right impact absorption members in front of the side frames, a front member between the left and right impact absorption members, and left and right projections arranged between the left and right side frames and the left and right impact absorption members and protrude to the vehicle-width-direction outer sides of fronts of the left and right side frames, respectively.Type: ApplicationFiled: February 15, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Kota YOSHIDA, Taiki YOTSUYANAGI, Satoshi NAKAMURA
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Publication number: 20230264755Abstract: A vehicle-body front structure includes a partition wall portion which demarcates a vehicle cabin inside space, a motor arrangement portion which is formed by causing a part of the partition wall portion to bulge to an inside of a vehicle cabin and in which at least a part of a traveling motor is capable of being arranged, and a reinforcement member which extends from an upper portion of the motor arrangement portion to vehicle rear and is inclined to be positioned lower toward the vehicle rear. A rear portion of the reinforcement member is mounted on a floor panel and a lid body of a battery unit.Type: ApplicationFiled: February 13, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Yoshikazu NISHIMURA, Yasuaki SETOH, Taiki YOTSUYANAGI, Yoshihiro MIYAMOTO, Akiko KAWAMOTO, Satoshi NAKAMURA
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Publication number: 20230264557Abstract: A vehicle-body front structure for an electric vehicle includes a front-side battery frame which extends in a vehicle width direction, a pair of left and right side frames which extend from the front-side battery frame to a vehicle front to be positioned on vehicle-width-direction outer sides, a left-side support mounted on the front-side battery frame and supports the left side frame from the vehicle-width-direction outer side, and a right-side support mounted on the front-side battery frame and supports the right side frame from the vehicle-width-direction outer side.Type: ApplicationFiled: February 14, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Kota YOSHIDA, Taiki YOTSUYANAGI, Takehiro KAMEI, Satoshi NAKAMURA, Takayuki KIMURA
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Publication number: 20230264560Abstract: A vehicle-body front structure includes a pair of left and right side frames which extend from a front-side battery frame toward vehicle front to be positioned on vehicle-width-direction outer sides, a contactless charger between the left and right side frames, and a cross member between the left and right side frames. The contactless charger has a cross member housing configured to house the cross member.Type: ApplicationFiled: February 15, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Kota YOSHIDA, Taiki YOTSUYANAGI, Tsuguto WATANABE, Yasuyuki KAWAHARA, Hiroshi TANAKA
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Publication number: 20230264562Abstract: Peripheral components in a lower portion of a vehicle body are enabled to be efficiently mounted on the vehicle body with high mounting rigidity. To achieve efficient mounting and high mounting rigidity, a vehicle-body structure includes a battery protection frame which has a hollow cross-section. A partition wall portion is provided in an internal portion of the battery protection frame. Plural closed cross-section portions are formed in the battery protection frame by wall portions and the partition wall portion. Peripheral components which are different from each other are mounted on the plural closed cross-section portions.Type: ApplicationFiled: February 16, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Eiji KAMEMOTO, Takehiro KAMEI, Taiki YOTSUYANAGI
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Publication number: 20230264756Abstract: A vehicle-front body structure includes a partition wall portion which demarcates a vehicle cabin inside space, a motor arrangement portion which is formed by causing a part of the partition wall portion to bulge to an inside of a vehicle cabin and in which at least a part of a traveling motor is capable of being arranged, a cross member which is fixed to a floor panel on a vehicle rear side of the motor arrangement portion and extends in a vehicle width direction, and a reinforcement member which couples the motor arrangement portion and the cross member together.Type: ApplicationFiled: February 10, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Yoshikazu NISHIMURA, Yasuaki SETOH, Taiki YOTSUYANAGI, Takayuki KIMURA, Yoshihiro MIYAMOTO, Akiko KAWAMOTO, Satoshi NAKAMURA
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Publication number: 20230264753Abstract: A vehicle-body front structure includes a partition wall portion which is provided to extend in a vehicle width direction in a vehicle front portion, a motor arrangement portion which is formed by causing a part of the partition wall portion to bulge to an inside of a vehicle cabin and in which at least a part of a traveling motor is capable of being arranged, and a reinforcement member which extends from the motor arrangement portion to vehicle rear. A rear portion of the reinforcement member is mounted on a inside-unit member which is provided in the battery unit.Type: ApplicationFiled: February 13, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Yoshikazu NISHIMURA, Yasuaki SETOH, Taiki YOTSUYANAGI, Yoshihiro MIYAMOTO, Akiko KAWAMOTO, Satoshi NAKAMURA
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Publication number: 20230264757Abstract: A vehicle-body front structure includes a partition wall portion which demarcates a space inside a vehicle cabin, a motor arrangement portion which is formed by causing a part of the partition wall portion to bulge to an inside of the vehicle cabin and in which at least a part of a traveling motor is capable of being arranged, a reinforcement member which is inclined to be positioned lower toward vehicle rear, and a floor reinforcement which extends in a vehicle front-rear direction. A closed cross-section is configured with the motor arrangement portion, the reinforcement member, and the floor reinforcement.Type: ApplicationFiled: February 13, 2023Publication date: August 24, 2023Applicant: Mazda Motor CorporationInventors: Yoshikazu NISHIMURA, Yasuaki SETOH, Taiki YOTSUYANAGI, Yoshihiro MIYAMOTO, Akiko KAWAMOTO, Satoshi NAKAMURA
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Patent number: 11618399Abstract: A shock absorbing member is provided having a sequential destruction capability and protection against electrolytic corrosion on fastening-fixing portions thereof to be fastened to a bumper reinforcement or a vehicle body. Embodiments include a shock absorbing member between a bumper reinforcement and a vehicle body, including a distal end portion fastened to the bumper reinforcement; a base end flange portion fastened to the vehicle body; and an absorbing member body extending in a vehicle front-rear direction and connecting the distal end portion and the base end flange portion. The absorbing member body includes a carbon fiber-glass reinforced plastic layer. Fastening-fixing portions of the distal end portion and the base end flange portion are composed of glass fiber reinforced plastic layers.Type: GrantFiled: December 23, 2020Date of Patent: April 4, 2023Assignee: MAZDA MOTOR CORPORATIONInventors: Taiki Yotsuyanagi, Tsuyoshi Nishihara, Ryo Shimoda, Chikara Kawamura, Tsuneki Shimanaka, Kota Yoshida
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Patent number: 11608116Abstract: A front vehicle-body structure is provided that allows for lower deceleration for occupants by facilitating breakage of frame members in the event of an oblique collision. Embodiments include a suspension housing formed with a suspension damper supporting portion, an upper arm supporting portion, and a lower arm supporting portion. A first frame connects an upper portion of the suspension housing and an upper portion on a vehicle-width-direction inner side of a dash panel, a second frame connects the upper portion of the suspension housing and an upper portion of a hinge pillar, and a third frame connects a lower portion of the suspension housing and a lower portion on the vehicle-width-direction inner side of the dash panel. In the event of an oblique collision, the first frame and the second frame break inward in vehicle plan view, and the third frame breaks in a Z-shape in vehicle plan view.Type: GrantFiled: January 27, 2021Date of Patent: March 21, 2023Assignee: MAZDA MOTOR CORPORATIONInventors: Taiki Yotsuyanagi, Ryo Shimoda
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Patent number: 11529996Abstract: A front vehicle-body structure of a vehicle is provided that allows for lower deceleration (so-called G) for occupants in the event of an oblique collision, which involves the largest load input, while restraining a load in a shear direction from being input to connecting portions of frames. A front vehicle-body structure of a vehicle includes a suspension housing formed with a suspension damper supporting portion, an upper arm supporting portion, and a lower arm supporting portion. A plurality of frames connecting the suspension housing and a vehicle cabin structural member are provided, and at least one frame of the plurality of frames is configured to be facilitated to break in a Z-shape in vehicle plan view in the event of an oblique collision.Type: GrantFiled: January 27, 2021Date of Patent: December 20, 2022Assignee: MAZDA MOTOR CORPORATIONInventors: Ryo Shimoda, Taiki Yotsuyanagi
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Patent number: 11524727Abstract: An exhaust system member is provided on a vehicle-width-direction outer side relative to a vehicle body structure such as a side sill, while avoiding widening of the vehicle, enhancing shock absorption performance during a collision, and maintaining rigidity of the vehicle body. Embodiments include an engine disposed forward of a vehicle cabin, an engine exhaust system, and a hinge pillar extending vertically. The exhaust system includes a first exhaust system member beside the hinge pillar in the vehicle front-rear direction from the vehicle-width-direction outer side of the hinge pillar and extending forward of the hinge pillar, a second exhaust system member rearward of the hinge pillar, and a connection part connecting these exhaust system members. The connection part has a smaller length in the vehicle width direction than at least one of the first and second exhaust system members, and overlaps with the hinge pillar in the vehicle front-rear direction.Type: GrantFiled: February 17, 2021Date of Patent: December 13, 2022Assignee: MAZDA MOTOR CORPORATIONInventors: Tsuneki Shimanaka, Taiki Yotsuyanagi
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Patent number: 11345295Abstract: An impact absorbing structure for a vehicle according to the present invention includes: a resin frame member extending in a vehicle front-rear direction and having an opening portion in a surface thereof on one side in a vehicle width direction; and a strut member disposed in the opening portion of the frame member. The frame member includes a frame body having the opening portion, and a rib protruding at least either upward or downward from the frame body and extending in the vehicle front-rear direction. The strut member is disposed between a pair of opening edges for defining an upper edge and a lower edge of the opening portion and at a position abuttable against the paired opening edges, when the frame member is deformed by input of a load at a time of oblique collision from upward or oblique collision from downward.Type: GrantFiled: December 11, 2018Date of Patent: May 31, 2022Assignee: MAZDA MOTOR CORPORATIONInventors: Chikara Kawamura, Tsuyoshi Nishihara, Kazutaka Ishikura, Hiroaki Takeshita, Tsuneki Shimanaka, Taiki Yotsuyanagi, Yoshiaki Murakami
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Publication number: 20210276626Abstract: An exhaust system member is provided on a vehicle-width-direction outer side relative to a vehicle body structure such as a side sill, while avoiding widening of the vehicle, enhancing shock absorption performance during a collision, and maintaining rigidity of the vehicle body. Embodiments include an engine disposed forward of a vehicle cabin, an engine exhaust system, and a hinge pillar extending vertically. The exhaust system includes a first exhaust system member beside the hinge pillar in the vehicle front-rear direction from the vehicle-width-direction outer side of the hinge pillar and extending forward of the hinge pillar, a second exhaust system member rearward of the hinge pillar, and a connection part connecting these exhaust system members. The connection part has a smaller length in the vehicle width direction than at least one of the first and second exhaust system members, and overlaps with the hinge pillar in the vehicle front-rear direction.Type: ApplicationFiled: February 17, 2021Publication date: September 9, 2021Applicant: MAZDA MOTOR CORPORATIONInventors: Tsuneki SHIMANAKA, Taiki YOTSUYANAGI
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Publication number: 20210253171Abstract: A front vehicle-body structure is provided that allows for lower deceleration for occupants by facilitating breakage of frame members in the event of an oblique collision. Embodiments include a suspension housing formed with a suspension damper supporting portion, an upper arm supporting portion, and a lower arm supporting portion. A first frame connects an upper portion of the suspension housing and an upper portion on a vehicle-width-direction inner side of a dash panel, a second frame connects the upper portion of the suspension housing and an upper portion of a hinge pillar, and a third frame connects a lower portion of the suspension housing and a lower portion on the vehicle-width-direction inner side of the dash panel. In the event of an oblique collision, the first frame and the second frame break inward in vehicle plan view, and the third frame breaks in a Z-shape in vehicle plan view.Type: ApplicationFiled: January 27, 2021Publication date: August 19, 2021Applicant: MAZDA MOTOR CORPORATIONInventors: Taiki YOTSUYANAGI, Ryo SHIMODA