Patents by Inventor Masaaki Tatsuwaki

Masaaki Tatsuwaki 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).

  • Publication number: 20220227214
    Abstract: A vehicle-mounted battery pack includes a battery tray including a floor part, a right frame, and a left frame. The battery tray includes a battery disposition region, a right impact-absorbing region, and a left impact-absorbing region. A battery module is placed in a battery disposition region. The left and right impact-absorbing regions are provided on outer sides of the battery disposition region in the vehicle width direction. The right frame and the left frame are formed to be thinner than the right and left impact-absorbing regions. Further, an easily deformable portion is formed at a lower portion of the right and left impact-absorbing regions.
    Type: Application
    Filed: January 18, 2022
    Publication date: July 21, 2022
    Inventors: Satoshi Yaita, Ken Yasui, Satoru Kawabe, Masaaki Tatsuwaki
  • Publication number: 20220227215
    Abstract: A vehicle-mounted battery pack includes a battery tray including a floor part, a right frame, and a left frame. The battery tray includes a battery disposition region, a right impact-absorbing region, and a left impact-absorbing region. A battery module is placed at the center of the battery disposition region in the vehicle width direction. The left and right impact-absorbing regions are provided on outer sides of the battery disposition region in the vehicle width direction. A cooling passage for cooling the battery module extends in the front-rear direction of the vehicle body inside the battery disposition region.
    Type: Application
    Filed: January 19, 2022
    Publication date: July 21, 2022
    Inventors: Ryo Ishizaki, Ken Yasui, Masaaki Tatsuwaki
  • Publication number: 20220161855
    Abstract: Provide is a vehicle equipped with a battery pack. In the vehicle equipped with a battery pack, right and left second floor cross members support a rear portion of a front seat, and right and left third floor cross members support a front portion of a rear seat. First to fourth floor longitudinal frames extend in a front-rear direction of the vehicle body between the right and left second floor cross members and the right and left third floor cross members, and are raised upward from a floor panel. The battery pack is arranged below the floor panel and is fixed to the first to fourth floor longitudinal frames.
    Type: Application
    Filed: October 25, 2021
    Publication date: May 26, 2022
    Applicant: Honda Motor Co., Ltd.
    Inventors: Masaaki TATSUWAKI, Ken YASUI, Satoru KAWABE
  • Publication number: 20220153111
    Abstract: Provided is a vehicle equipped with a battery pack. A vehicle equipped with a battery pack includes a floor tunnel and a battery pack. The battery pack includes a first battery accessory, a second battery accessory, and an electrical wiring. The first battery accessory is arranged inside a front tunnel portion of the floor tunnel from below. The second battery accessory is arranged inside a rear tunnel portion of the floor tunnel from below. The electrical wiring extends in a front-rear direction of a vehicle body across right and left second floor cross members, and connects the first battery accessory and the second battery accessory.
    Type: Application
    Filed: October 27, 2021
    Publication date: May 19, 2022
    Applicant: Honda Motor Co., Ltd.
    Inventors: Masaaki TATSUWAKI, Ken YASUI, Satoru KAWABE
  • Publication number: 20220153112
    Abstract: Provided is a vehicle body lower structure. A vehicle body lower structure includes a battery pack that encloses a drive battery. The battery pack includes a tray and a cover member attached to an upper surface of the tray with a seal member interposed, the seal member making the inside of the battery pack liquid-tight. A battery terminal, a high-voltage junction box, a control device, and a switch, which are connection portions of an electric cable, are arranged above the seal member.
    Type: Application
    Filed: October 28, 2021
    Publication date: May 19, 2022
    Applicant: Honda Motor Co., Ltd.
    Inventors: Masaaki TATSUWAKI, Ken YASUI
  • Publication number: 20220144063
    Abstract: A vehicle body structure includes: a second floor cross member and a third floor cross member in which one end in a vehicle width direction is connected to a side sill; a battery arranged below the second floor cross member and the third floor cross member; a battery case which stores the battery and in which one end in the vehicle width direction is connected via a right frame and a left frame; cross member bent portions formed on the second floor cross member and the third floor cross member; and frame bent portions formed on the right frame and the left frame. The cross member bent portions and the frame bent portions are arranged side by side in an up-down direction.
    Type: Application
    Filed: October 25, 2021
    Publication date: May 12, 2022
    Applicant: Honda Motor Co., Ltd.
    Inventors: Masaaki TATSUWAKI, Ken YASUI, Satoru KAWABE
  • Publication number: 20220144064
    Abstract: Provided is a vehicle equipped with a battery pack. A vehicle equipped with a battery pack includes a battery pack under a floor of the vehicle. The battery pack is provided with a battery module. In the battery module, a plurality of batteries are arranged vertically with the longitudinal direction directed toward a front-rear direction of the vehicle body. The battery is formed by stacking a plurality of battery cells in the front-rear direction of the vehicle body. A center of gravity of pack of the battery pack is arranged at the rear of a center of gravity of vehicle of the entire vehicle in the vehicle body.
    Type: Application
    Filed: October 26, 2021
    Publication date: May 12, 2022
    Applicant: Honda Motor Co., Ltd.
    Inventors: Masaaki TATSUWAKI, Ken YASUI, Satoru KAWABE
  • Publication number: 20220144065
    Abstract: Provided is a vehicle-mounted battery pack. A vehicle-mounted battery pack includes: a battery case, a battery module, an upper cross member, and an upper deck. In the battery module, a first battery row and a second battery row, in which a plurality of vertically placed batteries are disposed in a case horizontal direction, are disposed in a pair in a case vertical direction. The upper cross member is disposed between the first battery row and the second battery row toward the case horizontal direction, and is fixed to a first stepped portion and a second stepped portion of the battery. The upper deck is disposed in the case vertical direction and is fixed to a front end portion and a rear end portion of the battery module.
    Type: Application
    Filed: October 26, 2021
    Publication date: May 12, 2022
    Applicant: Honda Motor Co., Ltd.
    Inventors: Masaaki TATSUWAKI, Ken YASUI, Ryo ISHIZAKI
  • Patent number: 10889334
    Abstract: A vehicle rear structure includes a pair of rear side frames provided on right and left sides at a rear part of a vehicle body, and an on-board component disposed between the rear side frames. Each rear side frame includes a protecting part arranged side by side with the on-board component in a vehicle width direction, and a rear extending part extending rearward from the on-board component. A cross member is provided to connect the rear extending parts to each other at positions each located away from a front end and a rear end of the corresponding rear extending part.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: January 12, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masaaki Tatsuwaki, Junya Harada, Shinji Kumagai
  • Patent number: 10836435
    Abstract: A vehicle rear structure includes: a pair of rear side frames provided on right and left sides at a rear part of a vehicle body; side sills connected to front parts of the rear side frames and extending on the right and left sides of the vehicle body, respectively; and an on-board component, at least part of which is arranged side by side with the rear side frames in a vehicle width direction. Each side sill includes a weak part located ahead of the on-board component and having a lower strength than a strength of a region of the rear side frame arranged side by side with the on-board component.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: November 17, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masaaki Tatsuwaki, Hideki Tai, Junya Harada, Daisuke Matsunaga, Shinji Kumagai, Yoshikazu Inoue, Yoshihiro Kobayashi
  • Patent number: 10730380
    Abstract: A vehicle body rear structure includes: a pair of left and right rear side frames extending in a vehicle front-rear direction; a vehicle-mounted component provided between the pair of rear side frames; and a pair of support members for supporting the vehicle-mounted component. The support members respectively extend along the rear side frames and in the vehicle front-rear direction, and are respectively arranged side-by-side with the rear side frames in a vehicle width direction and inwardly of the rear side frames in the vehicle width direction.
    Type: Grant
    Filed: March 15, 2019
    Date of Patent: August 4, 2020
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masaaki Tatsuwaki, Hideki Tai, Junya Harada, Daisuke Matsunaga, Shinji Kumagai, Yoshikazu Inoue, Yoshihiro Kobayashi, Shouji Yamazaki
  • Publication number: 20190283563
    Abstract: A vehicle body rear structure includes: a pair of left and right rear side frames extending in a vehicle front-rear direction; a vehicle-mounted component provided between the pair of rear side frames; and a pair of support members for supporting the vehicle-mounted component. The support members respectively extend along the rear side frames and in the vehicle front-rear direction, and are respectively arranged side-by-side with the rear side frames in a vehicle width direction and inwardly of the rear side frames in the vehicle width direction.
    Type: Application
    Filed: March 15, 2019
    Publication date: September 19, 2019
    Inventors: Masaaki TATSUWAKI, Hideki TAI, Junya HARADA, Daisuke MATSUNAGA, Shinji KUMAGAI, Yoshikazu INOUE, Yoshihiro KOBAYASHI, Shouji YAMAZAKI
  • Publication number: 20190276093
    Abstract: A vehicle rear structure includes a pair of rear side frames provided on right and left sides at a rear part of a vehicle body, and an on-board component disposed between the rear side frames. Each rear side frame includes a protecting part arranged side by side with the on-board component in a vehicle width direction, and a rear extending part extending rearward from the on-board component. A cross member is provided to connect the rear extending parts to each other at positions each located away from a front end and a rear end of the corresponding rear extending part.
    Type: Application
    Filed: March 7, 2019
    Publication date: September 12, 2019
    Inventors: Masaaki TATSUWAKI, Junya HARADA, Shinji KUMAGAI
  • Publication number: 20190276082
    Abstract: A vehicle rear structure includes: a pair of rear side frames provided on right and left sides at a rear part of a vehicle body; side sills connected to front parts of the rear side frames and extending on the right and left sides of the vehicle body, respectively; and an on-board component, at least part of which is arranged side by side with the rear side frames in a vehicle width direction. Each side sill includes a weak part located ahead of the on-board component and having a lower strength than a strength of a region of the rear side frame arranged side by side with the on-board component.
    Type: Application
    Filed: March 7, 2019
    Publication date: September 12, 2019
    Inventors: Masaaki TATSUWAKI, Hideki TAI, Junya HARADA, Daisuke MATSUNAGA, Shinji KUMAGAI, Yoshikazu INOUE, Yoshihiro KOBAYASHI
  • Patent number: 10000239
    Abstract: A rear section upper face of a front side frame is connected to a front face of an inclined wall of a dashboard panel. An attachment bracket that is provided to a rear section lower face of the front side frame and that has a triangular shape in side view supports a support of a subframe. An outrigger is provided that has a vehicle width direction inner end connected to a front wall and a lower wall of the attachment bracket and to a vehicle width direction outer wall of the front side frame, and that has a vehicle width direction outer end connected to a front end of a side sill.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: June 19, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventor: Masaaki Tatsuwaki
  • Patent number: 9873460
    Abstract: A vehicle body structure includes a left tunnel frame extending along a floor tunnel to a dash lower panel, a left dash frame extending upward from a front end of the left tunnel frame to a dash upper panel, and a dash cross member extending in a vehicle-body width direction and across the left dash frame. The left dash frame is provided on a vehicle-cabin-side surface of the dash lower panel. The dash cross member is provided on an engine-room-side surface of the dash lower panel. The dash cross member bridges a left front pillar and a right front pillar.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: January 23, 2018
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masaaki Tatsuwaki, Patrick Ellison
  • Patent number: 9751565
    Abstract: In a vehicle front body structure, a subframe is provided below a left front side frame and a right front side frame. The left front side frame has a first fragile portion. The subframe has a second fragile portion and an extension portion. When a bumper beam's left end portion and a left bumper beam extension are crushed by an impact load, a front surface of the bumper beam's left end portion comes to substantially the same position as a front edge portion of the extension portion.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: September 5, 2017
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Masaaki Tatsuwaki, Toshiya Takahashi, Patrick Ellison
  • Publication number: 20170247057
    Abstract: A rear section upper face of a front side frame is connected to a front face of an inclined wall of a dashboard panel. An attachment bracket that is provided to a rear section lower face of the front side frame and that has a triangular shape in side view supports a support of a subframe. An outrigger is provided that has a vehicle width direction inner end connected to a front wall and a lower wall of the attachment bracket and to a vehicle width direction outer wall of the front side frame, and that has a vehicle width direction outer end connected to a front end of a side sill.
    Type: Application
    Filed: February 22, 2017
    Publication date: August 31, 2017
    Applicant: HONDA MOTOR CO., LTD.
    Inventor: Masaaki Tatsuwaki
  • Publication number: 20160236718
    Abstract: In a vehicle front body structure, a subframe is provided below a left front side frame and a right front side frame. The left front side frame has a first fragile portion. The subframe has a second fragile portion and an extension portion. When a bumper beam's left end portion and a left bumper beam extension are crushed by an impact load, a front surface of the bumper beam's left end portion comes to substantially the same position as a front edge portion of the extension portion.
    Type: Application
    Filed: February 17, 2016
    Publication date: August 18, 2016
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Masaaki Tatsuwaki, Toshiya Takahashi, Patrick Ellison
  • Publication number: 20160236714
    Abstract: A vehicle body structure includes a left tunnel frame extending along a floor tunnel to a dash lower panel, a left dash frame extending upward from a front end of the left tunnel frame to a dash upper panel, and a dash cross member extending in a vehicle-body width direction and across the left dash frame. The left dash frame is provided on a vehicle-cabin-side surface of the dash lower panel. The dash cross member is provided on an engine-room-side surface of the dash lower panel. The dash cross member bridges a left front pillar and a right front pillar.
    Type: Application
    Filed: February 17, 2016
    Publication date: August 18, 2016
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Masaaki Tatsuwaki, Patrick Ellison