Patents by Inventor Atsushi Kawamoto

Atsushi Kawamoto 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: 20220319307
    Abstract: A traffic control system includes: an acquisition unit that acquires a traffic pattern indicating a predetermined virtual vehicle flow corresponding to a current traffic demand; and an allocation unit that allocates a real vehicle to a virtual vehicle in the acquired traffic pattern. The traffic control system may further include an estimation unit that estimates the current traffic demand based on a time slot or current traffic information.
    Type: Application
    Filed: February 3, 2022
    Publication date: October 6, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Atsushi KAWAMOTO, Yasuhiro IKUTA
  • Patent number: 11215274
    Abstract: A lubrication mechanism for a vehicle drive-force transmitting apparatus including; first and second gears meshing with each other in a meshing region; and a casing storing therein the first and second gears. The lubrication mechanism includes a gutter that extends from an inner wall surface such that oil is received in the gutter and is then dropped from an end of the gutter. The gutter includes a flow-direction changing rib with which the received oil is to be collided whereby a flow direction of the received oil is changed to a direction toward the end of the gutter. The end of the gutter is located on upper side of the meshing region, between first and second vertical planes containing respective first and second axes about which the first and second gears to be rotated, and is located between opposite ends of the meshing region.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: January 4, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Seitaro Nobuyasu, Yu Hirai, Atsushi Kawamoto, Shigetsugu Iwata, Yuki Katayama, Kazuaki Kamiya
  • Patent number: 10955053
    Abstract: A manual unlocking device for a parking lock mechanism includes an operation lever that rotates when the parking lock mechanism is switched from a locked state to an unlocked state. The operation lever is arranged outside an occupant space of a vehicle cabin and is configured that a tool can be coupled to a rotation center thereof from the occupant space. The manual unlocking device for the parking lock mechanism is configured to switch the parking lock mechanism from the locked state to the unlocked state by integral rotation of the operation lever with the tool when the tool, which is coupled to the operation lever, rotates in a state where the tool is arranged on the rotation center of the operation lever.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: March 23, 2021
    Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYODA IRON WORKS CO., LTD.
    Inventors: Hiroyuki Tateno, Kiyonori Takagi, Koichi Okuda, Atsushi Kawamoto, Ryuji Ibaraki, Yuji Yasuda, Haruhisa Suzuki, Hideki Matsubo, Junya Abe
  • Patent number: 10843518
    Abstract: A fragile portion is provided at a portion of a suspension arm which is positioned near a vehicle-body attachment portion. The fragile portion is configured such that when a load which is greater than a specified magnitude is inputted to a front wheel from a vehicle forward side, the suspension arm is bent at the fragile portion, whereby the front wheel is rotated rearwardly around the fragile portion.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: November 24, 2020
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Daisuke Kanamaru, Hiroto Kido, Yasushi Ishikawa, Atsushi Kawamoto, Yuuki Uchiba, Hiroki Kimura, Susumu Sano
  • Publication number: 20200356638
    Abstract: A method for optimizing orientations of an anisotropic material in a component. For example, the method overcomes the non-uniqueness and gimbal locking problems associated with using Euler angles to define the orientation by instead parameterizing the orientation using an orientation tensor that is a self-dyadic product of a direction vector. To avoid non-linear constraints in the mathematical design variables used in the optimization, isoparametric shape functions map the mathematical design variables to physical design variables, and the mapping ensures that various constraints associated with tensor invariants of the orientation tensor are satisfied even though these constraints are not directly imposed on the mathematical design variables. The physical design variables are used to model the component, whereas optimization is performed using the mathematical design variables.
    Type: Application
    Filed: May 7, 2019
    Publication date: November 12, 2020
    Applicant: TOYOTA MOTOR ENGINEERING & MANUFACTURING NORTH AMERICA, INC.
    Inventors: Tsuyoshi NOMURA, Atsushi KAWAMOTO, Yoshihiro IWANO
  • Patent number: 10816080
    Abstract: In a vehicle power transmission device including a case housing a power transmission mechanism and a cover covering a side surface of the case in a vehicle width direction, the cover includes a stepped portion with a vehicle rear-side portion projecting outward in the vehicle width direction in a horizontal cross section, a front-side extending portion extending from the stepped portion to the vehicle front side and a plate-shaped inclined rib disposed at a corner portion between the stepped portion and the front-side extending portion, and inclined toward the front-side extending portion from a leading end portion of the stepped portion to the vehicle front side.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: October 27, 2020
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Marina Hirata, Seitaro Nobuyasu, Hiroshi Hata, Shigetsugu Iwata, Atsushi Kawamoto
  • Publication number: 20200332881
    Abstract: A lubrication mechanism for a vehicle drive-force transmitting apparatus including; first and second gears meshing with each other in a meshing region; and a casing storing therein the first and second gears. The lubrication mechanism includes a gutter that extends from an inner wall surface such that oil is received in the gutter and is then dropped from an end of the gutter. The gutter includes a flow-direction changing rib with which the received oil is to be collided whereby a flow direction of the received oil is changed to a direction toward the end of the gutter. The end of the gutter is located on upper side of the meshing region, between first and second vertical planes containing respective first and second axes about which the first and second gears to be rotated, and is located between opposite ends of the meshing region.
    Type: Application
    Filed: March 17, 2020
    Publication date: October 22, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Seitaro Nobuyasu, Yu Hirai, Atsushi Kawamoto, Shigetsugu Iwata, Yuki Katayama, Kazuaki Kamiya
  • Patent number: 10773752
    Abstract: A reinforcing member is provided inside a closed cross section of a front side frame at a position, in a vehicle longitudinal direction, which corresponds to a forming position of a bead. The reinforcing member extends between an outward side wall portion and an inward side wall portion of the front side frame. The reinforcing member is joined to the outward side wall portion and the inward side wall portion of the front side frame. A joint length, in the vehicle longitudinal direction, of the reinforcing member and the inward side wall portion is set to be longer than that of the reinforcing member and the outward side wall portion.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: September 15, 2020
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Satoshi Nakamura, Hiroto Kido, Yasushi Ishikawa, Atsushi Kawamoto, Daisuke Kanamaru, Yuuki Uchiba
  • Patent number: 10703313
    Abstract: A vehicle body structure includes a frame extending in a vehicle longitudinal direction outside a power train in a vehicle width direction, the power train being mounted on a front portion of a vehicle. The vehicle body structure further includes a load receiving portion expanding outward in the vehicle width direction from a front end of the frame and configured to receive impact load acting upon front collision of the vehicle outside the frame in the vehicle width direction, a cutout portion provided at the front end of the frame and cut out rearwardly from the front end of the frame to leave two side portions, and a connection member connecting the side portions of the cutout portion in the vehicle width direction.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: July 7, 2020
    Assignees: MAZDA MOTOR CORPORATION, Y-TEC CORPORATION
    Inventors: Yuuki Uchiba, Atsushi Kawamoto, Hiroto Kido, Yasushi Ishikawa, Daisuke Kanamaru, Susumu Sano, Hokuto Mukai, Yasunari Jinbo
  • Patent number: 10676134
    Abstract: A dash cross member which extends in a vehicle width direction is provided at a dash panel. A hinge-pillar reinforcing member which rigidly connects a hinge pillar to a side sill is provided at a lower end portion of the hinge pillar. A load-transmission portion (a dash reinforcement) to transmit a load which is inputted to the hinge-pillar reinforcing member in an inward direction of the vehicle width direction to the dash cross member is provided at the dash panel.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: June 9, 2020
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Yuuki Uchiba, Atsushi Kawamoto, Hiroto Kido, Yasushi Ishikawa, Daisuke Kanamaru
  • Patent number: 10670138
    Abstract: A vehicle drive device that includes a case forming a first accommodating space that accommodates a speed change device and a second accommodating space that accommodates a rotary electric machine; an storage that is disposed under the first accommodating space and stores oil; a hydraulic pump including a suction that suctions the oil from the oil storage; a first oil passage that supplies the oil discharged by the hydraulic pump to the speed change device as hydraulic oil; a second oil passage that supplies the oil discharged by the hydraulic pump to the rotary electric machine as cooling oil; and a third oil passage that returns the oil supplied to the rotary electric machine, from the second accommodating space to the oil storage, by allowing the oil to flow in a direction from the second accommodating space toward the first accommodating space.
    Type: Grant
    Filed: April 22, 2015
    Date of Patent: June 2, 2020
    Assignees: AISIN AW CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Junji Matsushita, Naoya Usami, Takeshi Horie, Kuniaki Ishii, Kazuyuki Shiiba, Tooru Matsubara, Atsushi Kawamoto, Kiyonori Takagi, Hidehiko Bansyoya
  • Patent number: 10647361
    Abstract: A frame (extension frame) extending in a vehicle longitudinal direction on an outward side, in a vehicle width direction, of a powertrain mounted at a front portion of a vehicle includes front-side and rear-side high strength portions which are spaced apart, in the vehicle longitudinal direction, from each other and a low strength portion which is positioned, in the vehicle longitudinal direction, between the both high strength portions. The low strength portion has a lower bending strength than each of the both high strength portions. A specified portion which is a part of the low strength portion is positioned on the outward side, in the vehicle width direction, of and in front of a part of the powertrain (oil pan) which is located at the same level as the specified portion of the frame.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: May 12, 2020
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Daisuke Kanamaru, Hiroto Kido, Yasushi Ishikawa, Atsushi Kawamoto, Yuuki Uchiba
  • Patent number: 10585601
    Abstract: An information processing apparatus includes a memory and a processor configured to obtain information on a relation between virtual volumes used by a virtual machine and physical volumes provided in a storage apparatus from a management machine configured to manage allocations of the virtual volumes to the physical volumes; store the obtained information into a management information stored in the memory; and in response to receiving a copy request, obtain information on a first physical volume allocated to the first virtual volume designated as a copy participant in the copy request from the management information when the information on the first virtual volume is present in the management information, and send the storage apparatus a copy instruction designating the first physical volume as a copy participant. Obtain the information on the relation is performed when the information on the first virtual volume is not present in the management information.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: March 10, 2020
    Assignee: FUJITSU LIMITED
    Inventors: Akio Yamaguchi, Atsushi Kawamoto, Yoshinari Shinozaki
  • Patent number: 10510471
    Abstract: A composition for bonded magnets according to the present invention contains from 88% by mass to 91% by mass (inclusive) of a samarium-iron-nitrogen magnet powder having an average particle diameter of from 1.8 ?m to 2.8 ?m (inclusive), from 0.5% by mass to 2.5% by mass (inclusive) of a polyamide elastomer having a tensile elongation at break of 400% or more and a bending modulus of elasticity of 100 MPa or more, from 0.5% by mass to 2.0% by mass (inclusive) of carbon fibers having fiber diameters of from 10 ?m to 12 ?m (inclusive) and from 0.3% by mass to 1.0% by mass (inclusive) of a carboxylic acid ester, with the balance made up of a polyamide resin which is composed of a polyamide 12 having a weight average molecular weight (Mw) of from 4,500 to 7,500 (inclusive) as determined by molecular weight distribution measurement.
    Type: Grant
    Filed: July 9, 2015
    Date of Patent: December 17, 2019
    Assignees: SUMITOMO METAL MINING CO., LTD., MABUCHI MOTOR CO., LTD.
    Inventors: Hideki Matsuda, Kenji Muraoka, Toshiya Iwai, Junichi Ishii, Atsushi Kawamoto, Naoki Kitahara, Isao Shibuya, Yasuhiro Yamagata
  • Patent number: 10276475
    Abstract: A thermal conductive stress relaxation structure is interposed between a high-temperature substance and a low-temperature substance to conduct heat in a heat-transfer direction from the high-temperature substance to the low-temperature substance. The structure includes an assembly configured such that a thermal conductive material gathers in a non-bonded state having stress relaxation effect. Such an assembly is a rolled-up body configured such that a carbon-based sheet material and a metal-based sheet material are alternately rolled up, for example. This structure has one or more interfaces at which adjacent parts can slide, thereby dividing a deformable region to relax the thermal stress. It has a low rigidity and can thus deform to release the thermal stress. The structure can suppress the thermal stresses and the shape changes that would be generated in the high-temperature substance and the low-temperature substance, and each physical body located there between.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: April 30, 2019
    Assignee: KABUSHIKI KAISHA TOYOTA CHUO KENKYUSHO
    Inventors: Yuka Yamada, Hiroshi Hohjo, Hidehiko Kimura, Atsushi Kawamoto, Tadayoshi Matsumori, Tsuguo Kondoh, Hiroshi Osada, Masanori Usui
  • Publication number: 20190107190
    Abstract: In a vehicle power transmission device including a case housing a power transmission mechanism and a cover covering a side surface of the case in a vehicle width direction, the cover includes a stepped portion with a vehicle rear-side portion projecting outward in the vehicle width direction in a horizontal cross section, a front-side extending portion extending from the stepped portion to the vehicle front side and a plate-shaped inclined rib disposed at a corner portion between the stepped portion and the front-side extending portion, and inclined toward the front-side extending portion from a leading end portion of the stepped portion to the vehicle front side.
    Type: Application
    Filed: October 4, 2018
    Publication date: April 11, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Marina HIRATA, Seitaro NOBUYASU, Hiroshi HATA, Shigetsugu IWATA, Atsushi KAWAMOTO
  • Publication number: 20190106072
    Abstract: A vehicle body structure includes a frame extending in a vehicle longitudinal direction outside a power train in a vehicle width direction, the power train being mounted on a front portion of a vehicle. The vehicle body structure further includes a load receiving portion expanding outward in the vehicle width direction from a front end of the frame and configured to receive impact load acting upon front collision of the vehicle outside the frame in the vehicle width direction, a cutout portion provided at the front end of the frame and cut out rearwardly from the front end of the frame to leave two side portions, and a connection member connecting the side portions of the cutout portion in the vehicle width direction.
    Type: Application
    Filed: October 8, 2018
    Publication date: April 11, 2019
    Inventors: Yuuki Uchiba, Atsushi Kawamoto, Hiroto Kido, Yasushi Ishikawa, Daisuke Kanamaru, Susumu Sano, Hokuto Mukai, Yasunari Jinbo
  • Publication number: 20190077207
    Abstract: A fragile portion is provided at a portion of a suspension arm which is positioned near a vehicle-body attachment portion. The fragile portion is configured such that when a load which is greater than a specified magnitude is inputted to a front wheel from a vehicle forward side, the suspension arm is bent at the fragile portion, whereby the front wheel is rotated rearwardly around the fragile portion.
    Type: Application
    Filed: August 29, 2018
    Publication date: March 14, 2019
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Daisuke KANAMARU, Hiroto KIDO, Yasushi ISHIKAWA, Atsushi KAWAMOTO, Yuuki UCHIBA, Hiroki KIMURA, Susumu SANO
  • Patent number: 10227068
    Abstract: A control process including the following steps is executed. The control process includes, at the time of switching from series-parallel mode to series mode, a step of reducing an engine torque, a step of releasing a clutch, a step of reducing a reaction torque of a first rotary electric machine and a step of increasing a torque of a second rotary electric machine, and, when synchronization is started and a step of increasing a positive torque of the first MG, a step of starting engagement of a clutch, and, when a rotation speed of the first rotary electric machine and a rotation speed of an engine are synchronous with each other, a step of engaging the clutch.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: March 12, 2019
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kiyonori Takagi, Hidehiko Banshoya, Atsushi Kawamoto, Haruhisa Suzuki, Tatsuya Imamura, Toshiki Kanada, Atsushi Tabata
  • Publication number: 20190061825
    Abstract: A reinforcing member is provided inside a closed cross section of a front side frame at a position, in a vehicle longitudinal direction, which corresponds to a forming position of a bead. The reinforcing member extends between an outward side wall portion and an inward side wall portion of the front side frame. The reinforcing member is joined to the outward side wall portion and the inward side wall portion of the front side frame. A joint length, in the vehicle longitudinal direction, of the reinforcing member and the inward side wall portion is set to be longer than that of the reinforcing member and the outward side wall portion.
    Type: Application
    Filed: August 14, 2018
    Publication date: February 28, 2019
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Satoshi NAKAMURA, Hiroto KIDO, Yasushi ISHIKAWA, Atsushi KAWAMOTO, Daisuke KANAMARU, Yuuki UCHIBA