Patents by Inventor Eiji Sakaguchi

Eiji Sakaguchi 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: 11898855
    Abstract: An assistance control system performs assistance control for causing a moving object to move to a destination based on map information. The assistance control system includes an electronic control unit. The electronic control unit is configured to generate or update the map information based on input from a sensor mounted on the moving object, acquire a plurality of route candidates to the destination, evaluate certainty of the map information for each location or each section, and calculate a map information evaluation value, evaluate accuracy of the assistance control in the acquired route candidates based on the calculated map information evaluation value, and present a route candidate having the highest priority among the route candidates to an occupant of the moving object, or control the moving object along the route candidate having the highest priority.
    Type: Grant
    Filed: August 31, 2021
    Date of Patent: February 13, 2024
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Eiji Sakaguchi, Yasuhiro Takagi, Nobuhide Kamata, Taichi Kawanai
  • Patent number: 11798421
    Abstract: An autonomous driving device 100 is configured to set a target route to merge into a first main line L11 from a branch line L20 based on waypoints P set in a lane. If it is determined by the merge determination unit 14 that the merge is not easy, the target route setting unit 15 is configured to select the waypoint P on the branch line L20 set at the position on an end edge E side of the branch line L20 as the end edge waypoint Pa closest to the end edge E side on the branch line L20 to be selected for setting the target route, compared to a case where it is determined that the merge is easy.
    Type: Grant
    Filed: November 5, 2021
    Date of Patent: October 24, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Eiji Sakaguchi
  • Patent number: 11796344
    Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.
    Type: Grant
    Filed: December 12, 2022
    Date of Patent: October 24, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Taichi Kawanai, Yasuhiro Takagi, Masahiro Harada, Nobuhide Kamata, Eiji Sakaguchi, Keisuke Hokai, Hideyuki Matsui, Kazuhiko Kamikado, Yusuke Hayashi, Hideo Fukamachi
  • Patent number: 11769414
    Abstract: An autonomous driving device 100 is configured to set a target route to merge into a first main line L11 from a branch line L20 based on waypoints P set in a lane. If it is determined by the merge determination unit 14 that the merge is not easy, the target route setting unit 15 is configured to select the waypoint P on the branch line L20 set at the position on an end edge E side of the branch line L20 as the end edge waypoint Pa closest to the end edge E side on the branch line L20 to be selected for setting the target route, compared to a case where it is determined that the merge is easy.
    Type: Grant
    Filed: December 28, 2022
    Date of Patent: September 26, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Eiji Sakaguchi
  • Patent number: 11692848
    Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.
    Type: Grant
    Filed: October 29, 2021
    Date of Patent: July 4, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Taichi Kawanai, Yasuhiro Takagi, Masahiro Harada, Nobuhide Kamata, Eiji Sakaguchi, Keisuke Hokai, Hideyuki Matsui, Kazuhiko Kamikado, Yusuke Hayashi, Hideo Fukamachi
  • Patent number: 11680820
    Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: June 20, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Taichi Kawanai, Yasuhiro Takagi, Masahiro Harada, Nobuhide Kamata, Eiji Sakaguchi, Keisuke Hokai, Hideyuki Matsui, Kazuhiko Kamikado, Yusuke Hayashi, Hideo Fukamachi
  • Patent number: 11680821
    Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.
    Type: Grant
    Filed: December 10, 2021
    Date of Patent: June 20, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Taichi Kawanai, Yasuhiro Takagi, Masahiro Harada, Nobuhide Kamata, Eiji Sakaguchi, Keisuke Hokai, Hideyuki Matsui, Kazuhiko Kamikado, Yusuke Hayashi, Hideo Fukamachi
  • Patent number: 11645917
    Abstract: An autonomous driving device 100 is configured to set a target route to merge into a first main line L11 from a branch line L20 based on waypoints P set in a lane. If it is determined by the merge determination unit 14 that the merge is not easy, the target route setting unit 15 is configured to select the waypoint P on the branch line L20 set at the position on an end edge E side of the branch line L20 as the end edge waypoint Pa closest to the end edge E side on the branch line L20 to be selected for setting the target route, compared to a case where it is determined that the merge is easy.
    Type: Grant
    Filed: May 20, 2021
    Date of Patent: May 9, 2023
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Eiji Sakaguchi
  • Publication number: 20230139389
    Abstract: An autonomous driving device 100 is configured to set a target route to merge into a first main line L11 from a branch line L20 based on waypoints P set in a lane. If it is determined by the merge determination unit 14 that the merge is not easy, the target route setting unit 15 is configured to select the waypoint P on the branch line L20 set at the position on an end edge E side of the branch line L20 as the end edge waypoint Pa closest to the end edge E side on the branch line L20 to be selected for setting the target route, compared to a case where it is determined that the merge is easy.
    Type: Application
    Filed: December 28, 2022
    Publication date: May 4, 2023
    Applicant: Toyota Jidosha Kabushiki Kaisha
    Inventor: Eiji SAKAGUCHI
  • Publication number: 20230109416
    Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.
    Type: Application
    Filed: December 12, 2022
    Publication date: April 6, 2023
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Taichi Kawanai, Yasuhiro Takagi, Masahiro Harada, Nobuhide Kamata, Eiji Sakaguchi, Keisuke Hokai, Hideyuki Matsui, Kazuhiko Kamikado, Yusuke Hayashi, Hideo Fukamachi
  • Publication number: 20230085682
    Abstract: A device may include a coil unit assembly that includes a first, second, and third coil unit annularly arranged. Further, may include a busbar provided on an outer peripheral surface of the coil unit assembly, wherein when a direction in which an axis of the stator extends is defined as an axial direction, a direction which is orthogonal to the axial direction and in which outer peripheral surface and inner peripheral surface of the stator face each other is a radial direction, and a direction along an outer periphery of the stator when viewed from the axial direction is a circumferential direction, wherein the coil units each include a split core that includes a tooth that extends in the radial direction, an insulator mounted to overlap at least the tooth of the split core, and a coil that includes a winding wound around the tooth of the split core with the insulator interposed therebetween.
    Type: Application
    Filed: November 25, 2022
    Publication date: March 23, 2023
    Inventors: Hisato AMANO, Mitsutoshi NATSUMEDA, Eiji SAKAGUCHI, Takashi SAKURADA, Takahiro SATO, Masashi UNO
  • Patent number: 11507107
    Abstract: A map information system includes: an in-vehicle device that executes automated driving control of a vehicle; and an external device having external map information used for the automated driving control. The in-vehicle device includes: a memory device in which map information is stored; and a control device configured to execute the automated driving control based on the map information stored in the memory device. The control device is further configured to: determine whether or not a takeover occurs during the automated driving control; set an upload target area including the takeover occurrence position, in a case where the takeover occurs during the automated driving control; and upload the map information regarding the upload target area to the external device. The external device updates the external map information based on the map information uploaded from the in-vehicle device.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: November 22, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Eiji Sakaguchi
  • Patent number: 11438680
    Abstract: A motor that includes a plurality of stator members and a busbar member. The busbar member connects to coil end portions of a predetermined stator member of the plurality of stator members. The busbar member may comprise a first busbar, a second busbar, and a third busbar. The busbars may include an annular-shaped base portion, and a connection terminal connected to an outer circumference of the base portion and connected to the coil end portions. The busbar member and the plurality of stator members may be aligned in an axial direction. Each connection terminal of the busbars may have a shape projecting toward the stator member relative to the base portion.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: September 6, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Mitsutoshi Natsumeda, Eiji Sakaguchi, Hisato Amano, Takashi Sakurada
  • Patent number: 11409728
    Abstract: A map information system includes: an in-vehicle device that executes driving support control based on map information; an external device having external map information used for the driving support control; and an update determination device. The in-vehicle device further executes external update processing that updates first map information being the map information of a first area by using first external map information being the external map information of the first area. The update determination device calculates a change degree being a difference between the first map information and the first external map information, for each point or each area in the first area. The external update processing is prohibited with respect to a section in which the change degree is equal to or less than a threshold. The external update processing is permitted with respect to a section in which the change degree exceeds the threshold.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: August 9, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Eiji Sakaguchi, Yasuhiro Takagi, Keisuke Hokai, Yusuke Hayashi, Taichi Kawanai
  • Patent number: 11398760
    Abstract: A stator member includes a stator core, a coil, and an insulator. The stator core has a shape extending in an axial direction, and has a side surface parallel to the axial direction. The coil has a linear shape and is wound around the side surface of the stator core. The coil has a coil end portion 231 at one end of the coil having the linear shape, and a coil end portion 232 at another end of the coil having the linear shape. The insulator has insulation properties, and is provided with an outer member. The outer member has a first recess and a second recess extending in a thickness direction. The coil end portion 231 is inserted into the first recess. The coil end portion 232 is inserted into the second recess.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: July 26, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Mitsutoshi Natsumeda, Hisato Amano, Takashi Sakurada, Eiji Sakaguchi
  • Patent number: 11390207
    Abstract: A headlight control apparatus for controlling an irradiation angle of a headlight of a vehicle based on a pitch angle includes a height sensor and a camera. The height sensor detects a displacement amount of a spring upper member with respect to a rotation axis of the vehicle as a contraction length. The apparatus obtains an infinity point correlation value based on an infinity point position in the image obtained by the camera in a vertical direction. When a predetermined condition is satisfied, the apparatus obtains a standard pitch angle based on the contraction length and obtains the infinity point correlation value at the present time as a standard infinity point correlation value. When the condition is not satisfied, the apparatus obtains the pitch angle based on the standard pitch angle, the standard infinity point correlation value, and the infinity point correlation value at the present time.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: July 19, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Eiji Sakaguchi, Kazuhiko Nakashima, Shinsuke Moriyama
  • Patent number: 11329526
    Abstract: A stator member may include a columnar stator core, a linear coil, and an insulating insulator. The linear coil may be wound around the stator core. The insulator may be disposed between the stator core and the coil. Furthermore, the insulator may include a central member and an outer member. The central member may cover the stator core. The outer member may be connected to an outside of the central member in an axial direction of the stator core. The outer member may include a surface extending in a thickness direction in which the central member and the outer member are arranged, and a groove recessed in a direction orthogonal to the thickness direction from the surface. A connection terminal of a busbar member may be inserted into the groove.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: May 10, 2022
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventors: Mitsutoshi Natsumeda, Eiji Sakaguchi, Hisato Amano, Takashi Sakurada
  • Publication number: 20220097699
    Abstract: The vehicle control device includes a start determination unit configured to determine whether or not the inter-vehicle distance between the preceding vehicle and the host vehicle has become equal to or greater than a start threshold greater in value than the stop threshold, and a vehicle control unit configured to start the host vehicle based on a preset speed profile after the start determination unit determines that the inter-vehicle distance between the preceding vehicle and the host vehicle is equal to or greater than the start threshold and maintain the stopped state of the host vehicle until the start determination unit determines that the inter-vehicle distance between the preceding vehicle and the host vehicle is equal to or greater than the start threshold after the preceding vehicle and the host vehicle stop.
    Type: Application
    Filed: December 13, 2021
    Publication date: March 31, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Eiji SAKAGUCHI
  • Publication number: 20220097720
    Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.
    Type: Application
    Filed: December 10, 2021
    Publication date: March 31, 2022
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Taichi KAWANAI, Yasuhiro Takagi, Masahiro Harada, Nobuhide Kamata, Eiji Sakaguchi, Keisuke Hokai, Hideyuki Matsui, Kazuhiko Kamikado, Yusuke Hayashi, Hideo Fukamachi
  • Patent number: 11275378
    Abstract: A vehicle control system includes a vehicle control apparatus configured to set a target trajectory of a vehicle in autonomous driving, a manual driving database configured to contain manual driving trajectory information that indicates a manual driving trajectory that is a trajectory of the vehicle in manual driving, a weight acquisition device configured to acquire weight information that indicates weights of the target trajectory and manual driving trajectory, the weights being designated by a user of the vehicle, and a trajectory adjusting device configured to determine an integrated target trajectory by integrating the target trajectory and the manual driving trajectory based on the weights indicated by the weight information. The vehicle control apparatus is configured to control the autonomous driving of the vehicle such that the vehicle follows the integrated target trajectory.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: March 15, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Keisuke Hokai, Kazuhiko Kamikado, Taichi Kawanai, Masahiro Harada, Nobuhide Kamata, Yasuhiro Takagi, Hideo Fukamachi, Eiji Sakaguchi, Hideyuki Matsui, Yusuke Hayashi