Patents by Inventor Takehiro KAMEI

Takehiro KAMEI 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: 11858333
    Abstract: A vehicle body structure includes a front floor panel provided on a vehicle front side and a rear floor panel provided at the rear of the front floor panel. The front floor panel is positioned higher than the rear floor panel. A first battery arrangement portion is provided long in a vehicle front-rear direction at a center portion of the front floor panel in the vehicle width direction. A second battery arrangement portion is provided outside the first battery arrangement portion in a vehicle width direction below the front floor panel. An upper portion of the first battery arrangement portion is positioned higher than an upper portion of the second battery arrangement portion.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: January 2, 2024
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Isao Toda, Takayuki Kimura, Takehiro Kamei, Hiroshi Tanaka, Haruo Ohe, Masaya Hiramatsu, Masanobu Fukushima, Takao Fukuda, Hironobu Hashiguchi, Hiroyuki Baba
  • Patent number: 11850933
    Abstract: A vehicle body structure includes a front floor panel and a rear floor panel provided at the rear of the front floor panel. The front floor panel is positioned higher than the rear floor panel. A front battery that supplies electric power to the traction motor is arranged below the front floor panel.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: December 26, 2023
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Isao Toda, Takayuki Kimura, Takehiro Kamei, Hiroshi Tanaka, Haruo Ohe, Masaya Hiramatsu, Masanobu Fukushima, Takao Fukuda, Hironobu Hashiguchi, Hiroyuki Baba
  • Patent number: 11820432
    Abstract: A side load-transmitting member extending in a vehicle longitudinal direction and transmitting a load applied to a vehicle-inward side from a vehicle-outward side toward the vehicle-inward side is provided inside a side sill. A lower portion of the side sill is provided to overlap a battery case in a vehicle side view. The side load-transmitting member comprises a first vertical wall portion provided to overlap a floor-side cross member in the vehicle side view and a second vertical wall portion provided to overlap the battery case in the vehicle side view.
    Type: Grant
    Filed: March 17, 2022
    Date of Patent: November 21, 2023
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Takehiro Kamei, Takayuki Kimura
  • Patent number: 11738809
    Abstract: The vehicle body structure includes a front floor panel, a rear floor panel positioned lower than the front floor panel, and a connection panel extending from a rear portion of the front floor panel to a front portion of the rear floor panel and inclined or curved so as to be positioned downward toward a rear side. At least the front portion of the connection panel is positioned at the front of the front portion of the front seat.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: August 29, 2023
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Isao Toda, Takayuki Kimura, Takehiro Kamei, Hiroshi Tanaka, Haruo Ohe, Masaya Hiramatsu, Masanobu Fukushima, Takao Fukuda, Hironobu Hashiguchi, Hiroyuki Baba
  • Publication number: 20230264559
    Abstract: 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: Application
    Filed: February 15, 2023
    Publication date: August 24, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Kota YOSHIDA, Taiki YOTSUYANAGI, Takehiro KAMEI, Satoshi NAKAMURA, Takayuki KIMURA
  • Publication number: 20230264563
    Abstract: 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: Application
    Filed: February 16, 2023
    Publication date: August 24, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Eiji KAMEMOTO, Takehiro KAMEI, Taiki YOTSUYANAGI
  • Publication number: 20230264562
    Abstract: 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: Application
    Filed: February 16, 2023
    Publication date: August 24, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Eiji KAMEMOTO, Takehiro KAMEI, Taiki YOTSUYANAGI
  • Publication number: 20230264557
    Abstract: 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: Application
    Filed: February 14, 2023
    Publication date: August 24, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Kota YOSHIDA, Taiki YOTSUYANAGI, Takehiro KAMEI, Satoshi NAKAMURA, Takayuki KIMURA
  • Publication number: 20230101421
    Abstract: To increase the stiffness of a floor panel while maintaining a large foot space for a rear-seat passenger. A vehicle-body structure includes a floor panel constituting a floor provided with front-row and rear-row seats, and a center frame disposed to be higher than and away from the floor panel at a vehicle-width-direction central portion and extending in a vehicle front-rear direction. A recessed portion having a bottom surface on which the feet of a passenger sitting on the rear-row seat can be placed is formed at the floor panel. The floor panel includes a cross member extending in a vehicle width direction at a rear portion of the recessed portion. A rear portion of the center frame is connected to the cross member.
    Type: Application
    Filed: September 8, 2022
    Publication date: March 30, 2023
    Applicant: Mazda Motor Corporation
    Inventors: Takuma INAMI, Nobuyuki NAKAYAMA, Hiroyuki BABA, Takashi HIRAKAWA, Hideaki HOSHUYAMA, Takayuki KIMURA, Takehiro KAMEI
  • Publication number: 20220379706
    Abstract: A vehicle-body structure comprises right-and-left front side frames and right-and-left frame members respectively extending forward from a vehicle-front portion of a battery case below the right-and-left front side frames. Plural right-side connection portions to connect the right-side frame member to the right-side front side frame are provided to be spaced apart from each other in a vehicle longitudinal direction.
    Type: Application
    Filed: March 14, 2022
    Publication date: December 1, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Masaya HIRAMATSU, Takehiro KAMEI, Takayuki KIMURA
  • Publication number: 20220379963
    Abstract: A floor panel comprises a first floor portion and a second floor portion which is located at a higher level than the first floor portion. In a vehicle-body structure, a connecting member which extends from a battery case to a second floor portion and connects the battery case and the second floor portion is provided.
    Type: Application
    Filed: March 14, 2022
    Publication date: December 1, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Takehiro KAMEI, Takayuki KIMURA
  • Publication number: 20220379705
    Abstract: A vehicle-body structure of an electric automotive vehicle comprises floor-side cross members attached to a floor panel and extending in a vehicle width direction along the floor panel and battery-side cross members provided at a battery case and extending in the vehicle width direction. The floor-side cross members and the battery-side cross members are offset from each other in a vehicle longitudinal direction in a vehicle side view.
    Type: Application
    Filed: March 14, 2022
    Publication date: December 1, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Takehiro Kamei, Takayuki Kimura
  • Publication number: 20220379962
    Abstract: A vehicle-body structure comprises a dash panel, a pair of right-and-left front side frames, a pair of right-and-left side sills, a pair of right-and-left first longitudinal load-transmitting members respectively extending from respective vehicle-rear portions of the right-and-left front side frames to the right-and-left side sills along an upper face of the floor panel, and a pair of right-and-left second longitudinal load-transmitting members respectively extending from the respective vehicle-rear portions of the right-and-left front side frames toward a vehicle-front portion of the battery case along a lower face of the floor panel.
    Type: Application
    Filed: March 14, 2022
    Publication date: December 1, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Takehiro KAMEI, Takayuki KIMURA
  • Publication number: 20220379966
    Abstract: A side load-transmitting member extending in a vehicle longitudinal direction and transmitting a load applied to a vehicle-inward side from a vehicle-outward side toward the vehicle-inward side is provided inside a side sill. A lower portion of the side sill is provided to overlap a battery case in a vehicle side view. The side load-transmitting member comprises a first vertical wall portion provided to overlap a floor-side cross member in the vehicle side view and a second vertical wall portion provided to overlap the battery case in the vehicle side view.
    Type: Application
    Filed: March 17, 2022
    Publication date: December 1, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Takehiro KAMEI, Takayuki KIMURA
  • Publication number: 20220314771
    Abstract: A vehicle body structure includes a front floor panel provided on a vehicle front side and a rear floor panel provided at the rear of the front floor panel. The front floor panel is positioned higher than the rear floor panel. A first battery arrangement portion is provided long in a vehicle front-rear direction at a center portion of the front floor panel in the vehicle width direction. A second battery arrangement portion is provided outside the first battery arrangement portion in a vehicle width direction below the front floor panel. An upper portion of the first battery arrangement portion is positioned higher than an upper portion of the second battery arrangement portion.
    Type: Application
    Filed: January 26, 2022
    Publication date: October 6, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Isao TODA, Takayuki KIMURA, Takehiro KAMEI, Hiroshi TANAKA, Haruo OHE, Masaya HIRAMATSU, Masanobu FUKUSHIMA, Takao FUKUDA, Hironobu HASHIGUCHI, Hiroyuki BABA
  • Publication number: 20220314774
    Abstract: A vehicle body structure includes a front floor panel and a rear floor panel provided at the rear of the front floor panel. The front floor panel is positioned higher than the rear floor panel. A front battery that supplies electric power to the traction motor is arranged below the front floor panel.
    Type: Application
    Filed: January 26, 2022
    Publication date: October 6, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Isao TODA, Takayuki KIMURA, Takehiro KAMEI, Hiroshi TANAKA, Haruo OHE, Masaya HIRAMATSU, Masanobu FUKUSHIMA, Takao FUKUDA, Hironobu HASHIGUCHI, Hiroyuki BABA
  • Publication number: 20220315127
    Abstract: A vehicle body structure includes a front floor panel on which a heel of a pedal operator is placed, and a rear floor panel attached to a front seat. The rear floor panel is positioned lower than the front floor panel. At least part of a seat frame of the front seat is positioned lower than an upper surface of the front floor panel.
    Type: Application
    Filed: January 26, 2022
    Publication date: October 6, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Isao TODA, Takayuki Kimura, Takehiro Kamei, Hiroshi Tanaka, Haruo Ohe, Masaya Hiramatsu, Masanobu Fukushima, Takao Fukuda, Hironobu Hashiguchi, Hiroyuki Baba
  • Publication number: 20220314770
    Abstract: A vehicle structure includes side sills, pillars, a first battery arrangement portion provided inside the vicinity of the pillars in a vehicle width direction below a floor panel, and a second battery arrangement portion provided at a center portion in the vehicle width direction below the floor panel in a region inside an outer portion of the first battery arrangement portion in the vehicle width direction.
    Type: Application
    Filed: January 26, 2022
    Publication date: October 6, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Isao TODA, Takayuki KIMURA, Takehiro KAMEI, Hiroshi TANAKA, Haruo OHE, Masaya HIRAMATSU, Masanobu FUKUSHIMA, Takao FUKUDA, Hironobu HASHIGUCHI, Hiroyuki BABA
  • Publication number: 20220315128
    Abstract: The vehicle body structure includes a front floor panel, a rear floor panel positioned lower than the front floor panel, and a connection panel extending from a rear portion of the front floor panel to a front portion of the rear floor panel and inclined or curved so as to be positioned downward toward a rear side. At least the front portion of the connection panel is positioned at the front of the front portion of the front seat.
    Type: Application
    Filed: January 26, 2022
    Publication date: October 6, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Isao TODA, Takayuki Kimura, Takehiro Kamei, Hiroshi Tanaka, Haruo Ohe, Masaya Hiramatsu, Masanobu Fukushima, Takao Fukuda, Hironobu Hashiguchi, Hiroyuki Baba
  • Publication number: 20220315130
    Abstract: A vehicle body structure includes a front floor panel for placing a heel of a pedal operator, a rear floor panel attached to a rear seat, and a middle floor panel extending from the front floor panel to the rear floor panel. The front floor panel and the rear floor panel are positioned higher than the middle floor panel.
    Type: Application
    Filed: January 26, 2022
    Publication date: October 6, 2022
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Isao TODA, Takayuki KIMURA, Takehiro KAMEI, Hiroshi TANAKA, Haruo OHE, Masaya HIRAMATSU, Masanobu FUKUSHIMA, Takao FUKUDA, Hironobu HASHIGUCHI, Hiroyuki BABA