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: 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
  • Patent number: 9033406
    Abstract: A vehicle body includes: an opening that is formed in the rear surface; a rear panel assembly having a closed cross-sectional shape and being located at the lower edge of the opening and extending in the width direction of the vehicle; left and right rear wheel wells located in front of the rear panel assembly; and left and right gussets for panels, the gussets connecting the left and right rear wheel wells and the rear panel assembly. Each of the rear wheel wells forms a portion of each of the inner walls of the vehicle body side sections, and the rear wheel wells have support sections for supporting rear dampers for the left and right rear suspensions.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: May 19, 2015
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Daisuke Tokumoto, Terukazu Ebisawa, Masato Wakai, Masaaki Tatsuwaki, Manabu Nakayama
  • Publication number: 20130241240
    Abstract: A vehicle body includes: an opening that is formed in the rear surface; a rear panel assembly having a closed cross-sectional shape and being located at the lower edge of the opening and extending in the width direction of the vehicle; left and right rear wheel wells located in front of the rear panel assembly; and left and right gussets for panels, the gussets connecting the left and right rear wheel wells and the rear panel assembly. Each of the rear wheel wells forms a portion of each of the inner walls of the vehicle body side sections, and the rear wheel wells have support sections for supporting rear dampers for the left and right rear suspensions.
    Type: Application
    Filed: November 22, 2011
    Publication date: September 19, 2013
    Applicant: HONDA MOTOR CO., LTD.
    Inventors: Daisuke Tokumoto, Terukazu Ebisawa, Masato Wakai, Masaaki Tatsuwaki, Manabu Nakayama