Patents by Inventor Hirofumi Nishimura

Hirofumi Nishimura 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: 11397280
    Abstract: An information processing system includes: a plurality of vehicles; and a server configured to communicate with the plurality of vehicles, wherein each of the plurality of vehicles is configured to detect wind information by using a wind detection device mounted on each of the plurality of vehicles, and send probe data to the server, the probe data including the wind information and position information on each of the plurality of vehicles at a time when the wind information was detected, and the server is configured to store the probe data received from the plurality of vehicles in a database, and provide information to a client by using the probe data stored in the database.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: July 26, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kazuya Nishimura, Yoshihiro Oe, Jun Goto, Hirofumi Kamimaru
  • Patent number: 11380200
    Abstract: A server device includes a storage unit configured to store vehicle information including vehicle behavior information and position information, a region specifying unit configured to specify a warning road region where a sudden stop of a vehicle occurs a plurality of times based on the stored vehicle information, and a notification unit configured to, when the sudden stop of the vehicle occurs in the specified warning road region, notify terminal devices that correspond to vehicles located in the warning road region and in a vicinity of the warning road region of information regarding the warning road region.
    Type: Grant
    Filed: September 25, 2018
    Date of Patent: July 5, 2022
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Yoshihiro Oe, Kazuya Nishimura, Hirofumi Kamimaru
  • Patent number: 11351982
    Abstract: Provided are a driving force control method and device for a hybrid vehicle, each capable of effectively absorbing torque fluctuation of an engine while suppressing deterioration in energy efficiency. The driving force control device for a hybrid vehicle comprises a PCM configured to: identify a speed reduction ratio in a driving force transmission mechanism; estimate an average torque output by an engine; estimate a torque fluctuation component of the torque output by the engine; set a countertorque for suppressing the estimated torque fluctuation component; and control an electric motor to output the set countertorque, wherein the PCM is operable, under a condition that the average torque output by the engine and an engine speed are constant, to set the countertorque such that, as the speed reduction ratio becomes smaller, the absolute value of the countertorque becomes larger.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: June 7, 2022
    Assignee: Mazda Motor Corporation
    Inventors: Wataru Yamamoto, Hirofumi Nishimura, Tsuyoshi Goto, Kentaro Furusho, Yuta Enokizono
  • Patent number: 11312355
    Abstract: Provided are a driving force control method and device for a hybrid vehicle, each capable of effectively absorbing torque fluctuation of an engine while suppressing deterioration in energy efficiency. The driving force control device for a hybrid vehicle comprises a PCM configured to: estimate an average torque output by an engine; estimate a torque fluctuation component of the torque output by the engine; set a countertorque for suppressing the estimated torque fluctuation component; and control an electric motor to output the set countertorque, wherein the PCM is operable, under a condition that the average torque output by the engine is constant, to set the countertorque such that, as an engine speed of the engine becomes larger, the absolute value of the countertorque becomes larger.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: April 26, 2022
    Assignee: Mazda Motor Corporation
    Inventors: Yuta Enokizono, Hirofumi Nishimura, Tsuyoshi Goto, Kentaro Furusho, Wataru Yamamoto
  • Patent number: 11260846
    Abstract: Provided are a driving force control method and device for a hybrid vehicle, each capable of effectively absorbing torque fluctuation of an engine while suppressing deterioration in energy efficiency. The driving force control device for a hybrid vehicle comprises a PCM configured to: identify a vehicle acceleration; estimate an average torque output by an engine; estimate a torque fluctuation component of the torque output by the engine; set a countertorque for suppressing the estimated torque fluctuation component; and control an electric motor to output the set countertorque, wherein the PCM is operable, under a condition that an engine speed and the average torque output by the engine are constant, to set the countertorque such that, as the absolute value of the vehicle acceleration becomes smaller, the absolute value of the countertorque becomes larger.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: March 1, 2022
    Assignee: Mazda Motor Corporation
    Inventors: Kentaro Furusho, Hirofumi Nishimura, Tsuyoshi Goto, Yuta Enokizono, Wataru Yamamoto
  • Patent number: 11235749
    Abstract: Provided are a driving force control method and device for a hybrid vehicle, each capable of effectively absorbing torque fluctuation of an engine while suppressing deterioration in energy efficiency. The driving force control device for a hybrid vehicle comprises a PCM configured to: estimate an average torque output by an engine; estimate a torque fluctuation component of the torque output by the engine; set a countertorque for suppressing the estimated torque fluctuation component; and control an electric motor to output the set countertorque, wherein the PCM is operable, under a condition that an engine speed is constant, to set the countertorque such that, as the average torque output by the engine becomes larger, the absolute value of the countertorque becomes larger.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: February 1, 2022
    Assignee: Mazda Motor Corporation
    Inventors: Tsuyoshi Goto, Hirofumi Nishimura, Kentaro Furusho, Yuta Enokizono, Wataru Yamamoto
  • Patent number: 11230281
    Abstract: Provided are a driving force control method and device for a hybrid vehicle, each capable of effectively absorbing torque fluctuation of an engine while suppressing deterioration in energy efficiency. The driving force control device for a hybrid vehicle comprises a PCM configured to: estimate an average torque output by an engine; estimate a torque fluctuation component of the torque output by the engine; set a countertorque for suppressing the estimated torque fluctuation component; and control an electric motor to output the set countertorque, wherein the PCM is operable, under the condition that the average torque output by the internal combustion engine is constant, to set a negative control gain such that, as an engine speed becomes higher, the absolute value of the control gain becomes smaller, and then to set the countertorque based on a product of the estimated torque fluctuation component and the control gain.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: January 25, 2022
    Assignee: Mazda Motor Corporation
    Inventors: Kentaro Furusho, Hirofumi Nishimura, Tsuyoshi Goto, Yuta Enokizono, Wataru Yamamoto
  • Patent number: 11121651
    Abstract: Provided are a driving force control method and device for a hybrid vehicle, each capable of effectively absorbing torque fluctuation of an engine while suppressing deterioration in energy efficiency. The driving force control device for a hybrid vehicle comprises a PCM configured to: estimate an average torque output by an engine; estimate a torque fluctuation component of the torque output by the engine; set a countertorque for suppressing the estimated torque fluctuation component; and control an electric motor to output the set countertorque, wherein the PCM is operable, under a condition that an engine speed is constant, to set the countertorque such that, as the average torque output by an engine becomes larger, the absolute value of the countertorque becomes smaller.
    Type: Grant
    Filed: February 23, 2018
    Date of Patent: September 14, 2021
    Assignee: Mazda Motor Corporation
    Inventors: Hirofumi Nishimura, Tsuyoshi Goto, Kentaro Furusho, Yuta Enokizono, Wataru Yamamoto
  • Patent number: 10761201
    Abstract: An object detection device includes: a classifier that receives, from a radar device that transmits a transmission wave and receives a reflected wave that is the transmission wave reflected by an object around a subject vehicle, detection result information indicative of an intensity, an azimuth, and a Doppler velocity obtained from a Doppler frequency shift of the reflected wave, and determines whether the detection result information is first detection result information corresponding to a moving object or second detection result information corresponding to a still object; a calculator that calculates distances from the radar device to reflection points of the moving object on the basis of the first detection result information; and an output that supplies, to a predetermined device, first reflection point information indicating the distances of the reflection points and azimuths of the reflection points based on the radar device.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: September 1, 2020
    Assignee: Panasanic Intellectul Property Management Co., Ltd.
    Inventors: Yukio Okazaki, Hirofumi Nishimura, Asako Hamada
  • Publication number: 20200231137
    Abstract: Provided are a driving force control method and device for a hybrid vehicle, each capable of effectively absorbing torque fluctuation of an engine while suppressing deterioration in energy efficiency. The driving force control device for a hybrid vehicle comprises a PCM configured to: estimate an average torque output by an engine; estimate a torque fluctuation component of the torque output by the engine; set a countertorque for suppressing the estimated torque fluctuation component; and control an electric motor to output the set countertorque, wherein the PCM is operable, under the condition that the average torque output by the internal combustion engine is constant, to set a negative control gain such that, as an engine speed becomes higher, the absolute value of the control gain becomes smaller, and then to set the countertorque based on a product of the estimated torque fluctuation component and the control gain.
    Type: Application
    Filed: February 23, 2018
    Publication date: July 23, 2020
    Inventors: Kentaro Furusho, Hirofumi Nishimura, Tsuyoshi Goto, Yuta Enokizono, Wataru Yamamoto
  • Publication number: 20200231139
    Abstract: Provided are a driving force control method and device for a hybrid vehicle, each capable of effectively absorbing torque fluctuation of an engine while suppressing deterioration in energy efficiency. The driving force control device for a hybrid vehicle comprises a PCM configured to: identify a speed reduction ratio in a driving force transmission mechanism; estimate an average torque output by an engine; estimate a torque fluctuation component of the torque output by the engine; set a countertorque for suppressing the estimated torque fluctuation component; and control an electric motor to output the set countertorque, wherein the PCM is operable, under a condition that the average torque output by the engine and an engine speed are constant, to set the countertorque such that, as the speed reduction ratio becomes smaller, the absolute value of the countertorque becomes larger.
    Type: Application
    Filed: February 23, 2018
    Publication date: July 23, 2020
    Inventors: Wataru Yamamoto, Hirofumi Nishimura, Tsuyoshi Goto, Kentaro Furusho, Yuta Enokizono
  • Patent number: 10647325
    Abstract: A determination device includes: route detection circuitry which detects, a first continuous body as a first part of a one or more first direction distance information with respect to a first object, and a second continuous body as a second part of the one or more first direction distance information with respect to a second object, in a first direction along a first route on which the moving body moves, and a third continuous body as the second part, in a second direction; route determination circuitry which determines presence or absence of a second route along the third continuous body.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: May 12, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yoshito Hirai, Hirofumi Nishimura, Naoya Yosoku
  • Patent number: 10605896
    Abstract: A first data group, which indicates reflection wave intensities from reflection points for radar directions indicating directions in which the corresponding reflection points exist relative to a radar apparatus and distances from the radar apparatus to the reflection points, and a second data group, which indicates Doppler velocities of the reflection points for the radar directions and the distances from the radar apparatus to the reflection points, are used to generate a third data group, which indicates the reflection wave intensities of the reflection points. A radar moving direction relative to a moving direction of the vehicle for each frame is generated based on the third data group. The radar moving direction when the moving direction of the vehicle is straight ahead is estimated using the radar moving direction in a predetermined number of frames, and the radar installation angle is calculated using the estimated radar moving direction.
    Type: Grant
    Filed: July 12, 2017
    Date of Patent: March 31, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yunyun Cao, Hirofumi Nishimura, Asako Hamada, Hiroshi Iwamura
  • Publication number: 20200067429
    Abstract: Provided are a driving force control method and device for a hybrid vehicle, each capable of effectively absorbing torque fluctuation of an engine while suppressing deterioration in energy efficiency. The driving force control device for a hybrid vehicle comprises a PCM configured to: estimate an average torque output by an engine; estimate a torque fluctuation component of the torque output by the engine; set a countertorque for suppressing the estimated torque fluctuation component; and control an electric motor to output the set countertorque, wherein the PCM is operable, under a condition that an engine speed is constant, to set the countertorque such that, as the average torque output by an engine becomes larger, the absolute value of the countertorque becomes smaller.
    Type: Application
    Filed: February 23, 2018
    Publication date: February 27, 2020
    Inventors: Hirofumi NISHIMURA, Tsuyoshi GOTO, Kentaro FURUSHO, Yuta ENOKIZONO, Wataru YAMAMOTO
  • Publication number: 20200062235
    Abstract: Provided are a driving force control method and device for a hybrid vehicle, each capable of effectively absorbing torque fluctuation of an engine while suppressing deterioration in energy efficiency. The driving force control device for a hybrid vehicle comprises a PCM configured to: estimate an average torque output by an engine; estimate a torque fluctuation component of the torque output by the engine; set a countertorque for suppressing the estimated torque fluctuation component; and control an electric motor to output the set countertorque, wherein the PCM is operable, under a condition that an engine speed is constant, to set the countertorque such that, as the average torque output by the engine becomes larger, the absolute value of the countertorque becomes larger.
    Type: Application
    Filed: February 23, 2018
    Publication date: February 27, 2020
    Inventors: Tsuyoshi GOTO, Hirofumi NISHIMURA, Kentaro FURUSHO, Yuta ENOKIZONO, Wataru YAMAMOTO
  • Publication number: 20200001859
    Abstract: Provided are a driving force control method and device for a hybrid vehicle, each capable of effectively absorbing torque fluctuation of an engine while suppressing deterioration in energy efficiency. The driving force control device for a hybrid vehicle comprises a PCM configured to: estimate an average torque output by an engine; estimate a torque fluctuation component of the torque output by the engine; set a countertorque for suppressing the estimated torque fluctuation component; and control an electric motor to output the set countertorque, wherein the PCM is operable, under a condition that the average torque output by the engine is constant, to set the countertorque such that, as an engine speed of the engine becomes larger, the absolute value of the countertorque becomes larger.
    Type: Application
    Filed: February 23, 2018
    Publication date: January 2, 2020
    Inventors: Yuta Enokizono, Hirofumi Nishimura, Tsuyoshi Goto, Kentaro Furusho, Wataru Yamamoto
  • Publication number: 20190367006
    Abstract: Provided are a driving force control method and device for a hybrid vehicle, each capable of effectively absorbing torque fluctuation of an engine while suppressing deterioration in energy efficiency. The driving force control device for a hybrid vehicle comprises a PCM configured to: identify a vehicle acceleration; estimate an average torque output by an engine; estimate a torque fluctuation component of the torque output by the engine; set a countertorque for suppressing the estimated torque fluctuation component; and control an electric motor to output the set countertorque, wherein the PCM is operable, under a condition that an engine speed and the average torque output by the engine are constant, to set the countertorque such that, as the absolute value of the vehicle acceleration becomes smaller, the absolute value of the countertorque becomes larger.
    Type: Application
    Filed: February 23, 2018
    Publication date: December 5, 2019
    Inventors: Kentaro Furusho, Hirofumi Nishimura, Tsuyoshi Goto, Yuta Enokizono, Wataru Yamamoto
  • Patent number: 10371810
    Abstract: An object detection device that detects an obstacle in an object by transmitting a signal by a transmission unit, and using reflection signals by a receiving unit, the device including: a sidewall detection circuit that determines whether the vehicle is running on a road having the sidewall, based on an azimuth angle of the object, a distance from the vehicle to the object, Doppler velocities of the reflection signals, and intensities of the reflection signals; a multiple reflection position detection circuit that detects multiple reflection wave components from the reflection signals, based on the Doppler velocities, the azimuth angle, and the reflection intensities when the road is determined to have the sidewall; a detection exclusion range setting circuit that removes the detected multiple reflection wave components from the reflection signals; and an object detection circuit that detects the object using the reflection signals with the multiple reflection wave components removed.
    Type: Grant
    Filed: May 24, 2016
    Date of Patent: August 6, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Hiroshi Iwai, Hirofumi Nishimura, Asako Hamada
  • Patent number: 10353398
    Abstract: The present disclosure provides a moving object detection device including a first input circuitry that receives positional information indicating a position of an object present around a vehicle in time sequence from an object detector included in the vehicle, and a controller that processes the positional information received by the first input circuitry in time sequence, detects at least a first continuum along a traveling road of the vehicle, and when a shape of a detected first continuum of this time is changed in comparison with a shape of a previous first continuum, outputs information indicating that another moving object different from the vehicle is present to a vehicle control circuitry of the vehicle.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: July 16, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Takahiro Shima, Hirofumi Nishimura
  • Patent number: 10325162
    Abstract: There is provided a detection device that includes: a position estimator that estimates a candidate position of a crosswalk in a movement direction of a vehicle and estimates a length of the crosswalk and an intersecting angle between the crosswalk and a roadway using the candidate position; a corrector that corrects the numbers of periods and widths of two basis functions based on the estimated length of the crosswalk and the estimated intersecting angle, the two basis functions corresponding to intervals of white lines of the crosswalk and are orthogonal to each other; and a crosswalk detector that detects whether or not the crosswalk is present using both image data which include the candidate position and the two corrected basis functions.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: June 18, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Masakatsu Maeda, Hirofumi Nishimura, Takahiro Shima, Naoya Yosoku, Yoshito Hirai