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).
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Publication number: 20240109408Abstract: A vehicle body lower part structure includes: a side frame that connects a side sill to a battery pack that is arranged below a floor portion; and a battery frame that supports a battery within the battery pack. A first joint flange that is joined to a case bottom portion of the side frame is arranged such that a second joint flange that is joined to the case bottom portion of the battery frame overlaps an upper side in an upward-downward direction of the first joint flange.Type: ApplicationFiled: September 6, 2023Publication date: April 4, 2024Inventors: Yu Iemura, Ken Yasui, Masaaki Tatsuwaki, Satoru Kawabe, Satoshi Yaita
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Publication number: 20240109594Abstract: A vehicle body lower part structure includes: a side frame that connects a battery pack which is arranged below a floor panel of a vehicle to a side sill which is provided at a further outer position in a vehicle width direction than the battery pack; a lower cross member that is provided within the battery pack, is arranged between batteries, and extends in the vehicle width direction; and a connection portion that is provided within the battery pack and connects the lower cross member to the floor panel. The connection portion is provided at a further outer position in the vehicle width direction than the batteries.Type: ApplicationFiled: September 5, 2023Publication date: April 4, 2024Inventors: Yu Iemura, Ken Yasui, Masaaki Tatsuwaki, Satoru Kawabe, Satoshi Yaita
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Publication number: 20240034141Abstract: A vehicle body rear structure includes a battery disposed below a floor, a battery frame that covers a periphery of the battery and that has a rear frame part configured to cover at least a rear of the battery, a rear mounted part that is disposed behind the rear frame part and that is disposed at a height in which at least a part of the rear mounted part overlaps the rear frame part in a forward/rearward direction, and a reinforcement block that is supported by any one of frame members of a vehicle and that is disposed between the rear frame part and the rear mounted part, wherein the reinforcement block includes a guide surface inclined downward toward a front side in a region facing the rear mounted part at a front side of the rear mounted part.Type: ApplicationFiled: July 7, 2023Publication date: February 1, 2024Inventors: Masayasu Yoshida, Satoru Kawabe, Hiroyo Miyanaga, Masaaki Tatsuwaki, Hisashi Suzuki
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Patent number: 11827089Abstract: 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: GrantFiled: October 26, 2021Date of Patent: November 28, 2023Assignee: Honda Motor Co., Ltd.Inventors: Masaaki Tatsuwaki, Ken Yasui, Satoru Kawabe
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Patent number: 11813935Abstract: 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: GrantFiled: October 25, 2021Date of Patent: November 14, 2023Assignee: Honda Motor Co., Ltd.Inventors: Masaaki Tatsuwaki, Ken Yasui, Satoru Kawabe
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Patent number: 11801742Abstract: 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: GrantFiled: January 18, 2022Date of Patent: October 31, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Satoshi Yaita, Ken Yasui, Satoru Kawabe, Masaaki Tatsuwaki
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Patent number: 11691495Abstract: 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: GrantFiled: October 27, 2021Date of Patent: July 4, 2023Assignee: Honda Motor Co., Ltd.Inventors: Masaaki Tatsuwaki, Ken Yasui, Satoru Kawabe
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Publication number: 20220258620Abstract: A vehicle body lower structure includes a battery case, a side sill, and a case-mounting frame. The case-mounting frame has a frame main body portion and a battery case reception flange. The battery case reception flange extends to an inward side in a vehicle width direction from the frame main body portion and is joined to a lower surface of a bottom wall of the battery case. A battery support frame extending in a vehicle body forward-rearward direction and supporting a battery is fixed to the bottom wall of the battery case. A recessed portion protruding downward is provided between a joint portion with respect to the battery case reception flange and a joint portion with respect to the battery support frame in the bottom wall of the battery case.Type: ApplicationFiled: February 7, 2022Publication date: August 18, 2022Inventors: Yu Iemura, Masaaki Tatsuwaki, Ken Yasui
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Publication number: 20220258585Abstract: A vehicle body structure includes: a battery case that is disposed below a floor panel of a vehicle body and houses a battery; and a case-mounting frame that connects the battery case to a side sill provided on a side of the battery case in a vehicle width direction to support the battery case. The case-mounting frame includes a lower frame that straddles between the side sill and the battery case, and an upper frame that rises from the lower frame, supports the battery case, and is disposed side by side with the battery case in the vehicle width direction. The lower frame includes a fragile portion that is provided at a position located below the upper frame and is more fragile than another position other than the first position.Type: ApplicationFiled: February 2, 2022Publication date: August 18, 2022Inventors: Satoshi Yaita, Ken Yasui, Yu Iemura, Satoru Kawabe, Masaaki Tatsuwaki
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Publication number: 20220227214Abstract: 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: ApplicationFiled: January 18, 2022Publication date: July 21, 2022Inventors: Satoshi Yaita, Ken Yasui, Satoru Kawabe, Masaaki Tatsuwaki
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Publication number: 20220227215Abstract: 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: ApplicationFiled: January 19, 2022Publication date: July 21, 2022Inventors: Ryo Ishizaki, Ken Yasui, Masaaki Tatsuwaki
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Publication number: 20220161855Abstract: 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: ApplicationFiled: October 25, 2021Publication date: May 26, 2022Applicant: Honda Motor Co., Ltd.Inventors: Masaaki TATSUWAKI, Ken YASUI, Satoru KAWABE
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Publication number: 20220153111Abstract: 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: ApplicationFiled: October 27, 2021Publication date: May 19, 2022Applicant: Honda Motor Co., Ltd.Inventors: Masaaki TATSUWAKI, Ken YASUI, Satoru KAWABE
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Publication number: 20220153112Abstract: 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: ApplicationFiled: October 28, 2021Publication date: May 19, 2022Applicant: Honda Motor Co., Ltd.Inventors: Masaaki TATSUWAKI, Ken YASUI
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Publication number: 20220144064Abstract: 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: ApplicationFiled: October 26, 2021Publication date: May 12, 2022Applicant: Honda Motor Co., Ltd.Inventors: Masaaki TATSUWAKI, Ken YASUI, Satoru KAWABE
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Publication number: 20220144065Abstract: 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: ApplicationFiled: October 26, 2021Publication date: May 12, 2022Applicant: Honda Motor Co., Ltd.Inventors: Masaaki TATSUWAKI, Ken YASUI, Ryo ISHIZAKI
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Publication number: 20220144063Abstract: 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: ApplicationFiled: October 25, 2021Publication date: May 12, 2022Applicant: Honda Motor Co., Ltd.Inventors: Masaaki TATSUWAKI, Ken YASUI, Satoru KAWABE
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Patent number: 10889334Abstract: 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: GrantFiled: March 7, 2019Date of Patent: January 12, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Masaaki Tatsuwaki, Junya Harada, Shinji Kumagai
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Patent number: 10836435Abstract: 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: GrantFiled: March 7, 2019Date of Patent: November 17, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Masaaki Tatsuwaki, Hideki Tai, Junya Harada, Daisuke Matsunaga, Shinji Kumagai, Yoshikazu Inoue, Yoshihiro Kobayashi
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Patent number: 10730380Abstract: 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: GrantFiled: March 15, 2019Date of Patent: August 4, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Masaaki Tatsuwaki, Hideki Tai, Junya Harada, Daisuke Matsunaga, Shinji Kumagai, Yoshikazu Inoue, Yoshihiro Kobayashi, Shouji Yamazaki