Patents by Inventor Hiroshi Oyagi
Hiroshi Oyagi 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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Patent number: 12286921Abstract: In an exhaust gas control apparatus for an internal combustion engine in which a catalytic converter is attached to an engine having a plurality of cylinders and a plurality of exhaust passages communicating with the plurality of cylinders, a diffusion portion that promotes a jet flow of a main flow of the exhaust gas flowing into the merging portion is provided at a merging portion connected to a downstream side of the exhaust passage. Further, on the inner wall of the merging portion facing the inlet of the exhaust gas provided in the exhaust passage, a dispersion face for three-dimensionally dispersing the main flow of the exhaust gas flowing linearly into the merging portion from the inlet is formed.Type: GrantFiled: September 22, 2023Date of Patent: April 29, 2025Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hirokazu Ito, Kazuhiko Seguchi, Hiroshi Oyagi, Akira Hojo
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Patent number: 12275424Abstract: A control device includes: a controller controlling a first vehicle, the controller being configured to estimate a degree of concentration of a driver in the first vehicle during traveling of the first vehicle based on a first distance between the first vehicle and a second vehicle traveling in front of the first vehicle, a second distance between the first vehicle and a third vehicle traveling behind the first vehicle, and a relationship between a vehicle speed of the first vehicle and a predetermined vehicle speed, and execute a vehicle control of recovering the concentration of the driver based on an estimation result.Type: GrantFiled: September 22, 2023Date of Patent: April 15, 2025Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroshi Oyagi, Hirokazu Ito, Shinya Shiratori, Norimi Asahara
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Patent number: 12056627Abstract: A vehicle allocation device allocates a vehicle in response to a vehicle allocation request from a terminal of a user, and includes a vehicle selector configured to, when acquiring the vehicle allocation request, select a vehicle having a relatively large degree of progress in learning of a relation between input and output of a parameter depending on an area to be traveled by the user from a plurality of vehicles learning a relation between input and output of a parameter depending on a predetermined area, and output a vehicle allocation instruction to the selected vehicle.Type: GrantFiled: May 11, 2021Date of Patent: August 6, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keisuke Nagasaka, Daiki Yokoyama, Hiroshi Oyagi
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Publication number: 20240208482Abstract: A driving support device, in a mobile body having a plurality of seating positions, includes a processor to set a priority order for seating positions when performing improvement control with respect to emotion of an occupant, acquire a captured image and/or biometric information of the occupant, input thereof to a learning model, and output an emotion estimation result of the occupant, select, in accordance with the priority order, an occupant who is seated in a seated position in which the priority order is set to be high, determine the improvement control for the mobile body based on the emotion estimation result of the selected occupant, and control the mobile body based on the determined improvement control.Type: ApplicationFiled: December 14, 2023Publication date: June 27, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki TAKAHASHI, Hirokazu ITO, Hiroshi OYAGI, Shinya SHIRATORI, Norimi ASAHARA
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Publication number: 20240183301Abstract: In an exhaust gas control apparatus for an internal combustion engine in which a catalytic converter is attached to an engine having a plurality of cylinders and a plurality of exhaust passages communicating with the plurality of cylinders, a diffusion portion that promotes a jet flow of a main flow of the exhaust gas flowing into the merging portion is provided at a merging portion connected to a downstream side of the exhaust passage. Further, on the inner wall of the merging portion facing the inlet of the exhaust gas provided in the exhaust passage, a dispersion face for three-dimensionally dispersing the main flow of the exhaust gas flowing linearly into the merging portion from the inlet is formed.Type: ApplicationFiled: September 22, 2023Publication date: June 6, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hirokazu ITO, Kazuhiko Seguchi, Hiroshi Oyagi, Akira Hojo
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Patent number: 11995576Abstract: A vehicle allocation device allocates a vehicle in response to a vehicle allocation request from a terminal of a user, and includes a vehicle selector configured to, when acquiring the vehicle allocation request, select a vehicle having a relatively large degree of progress in learning of a relation between input and output of a parameter depending on an area to be traveled by the user from a plurality of vehicles learning a relation between input and output of a parameter depending on a predetermined area, and output a vehicle allocation instruction to the selected vehicle.Type: GrantFiled: May 11, 2021Date of Patent: May 28, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keisuke Nagasaka, Daiki Yokoyama, Hiroshi Oyagi
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Publication number: 20240149874Abstract: A driving support apparatus includes a processor configured to: obtain biometric information for at least one occupant on a vehicle; estimate emotion of the occupant based on the biological information; control acceleration of the vehicle based on the estimated emotion of the occupant.Type: ApplicationFiled: October 26, 2023Publication date: May 9, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroshi OYAGI, Hirokazu ITO, Shinya SHIRATORI, Norimi ASAHARA
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Publication number: 20240140466Abstract: A control device includes: a controller controlling a first vehicle, the controller being configured to estimate a degree of concentration of a driver in the first vehicle during traveling of the first vehicle based on a first distance between the first vehicle and a second vehicle traveling in front of the first vehicle, a second distance between the first vehicle and a third vehicle traveling behind the first vehicle, and a relationship between a vehicle speed of the first vehicle and a predetermined vehicle speed, and execute a vehicle control of recovering the concentration of the driver based on an estimation result.Type: ApplicationFiled: September 22, 2023Publication date: May 2, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroshi OYAGI, Hirokazu ITO, Shinya SHIRATORI, Norimi ASAHARA
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Publication number: 20240140433Abstract: A control device includes: a control unit that controls a vehicle. Further, the control unit determines, when the vehicle travels in a section including a plurality of lanes, whether a negative emotion associated with a lane change is detected in a preceding vehicle on a same lane as the vehicle, and causes, in a case of determining that the negative emotion is detected, a notification device of the vehicle to give notification of instruction information giving an instruction for the lane change.Type: ApplicationFiled: August 31, 2023Publication date: May 2, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroshi OYAGI, Hirokazu ITO, Shinya SHIRATORI, Noriml ASAHARA
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Publication number: 20240140416Abstract: A driving support apparatus including a processor, where the processor acquires operation information for an own vehicle by a driver at the time of a driving assistance intervention for keeping a lane of the own vehicle, environmental information including another vehicle around the own vehicle, and biometric information of the driver, estimates emotion of the driver based on the operation information, the environmental information, and the biometric information, estimates control parameters related to an amount of intervention at the time of driving assistance intervention based on the estimation result of emotion of the driver, and controls the own vehicle based on the control parameters.Type: ApplicationFiled: October 26, 2023Publication date: May 2, 2024Applicant: Toyota Jidosha Kabushiki KaishaInventors: Hirokazu ITO, Hiroshi Oyagi, Shinya Shiratori, Norimi Asahara
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Publication number: 20240046780Abstract: A control device includes a processor that acquires travel data of a target vehicle, determines whether the target vehicle obeys a traffic rule, and adjusts a usage form of the travel data in a case of determining that the target vehicle does not obey the traffic rule.Type: ApplicationFiled: August 1, 2023Publication date: February 8, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroshi OYAGI, Masaki ITO, Yuki TAKAHASHI, Koji IDE, Tomohiro KANEKO, Yoshihisa SHINODA, Shigeki NAKAYAMA
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Publication number: 20230410485Abstract: A machine learning device includes a processor which performs, when performing learning of a model with image data, the learning of the model while excluding the image data of an animal having a feature amount common with a feature amount of a human.Type: ApplicationFiled: May 31, 2023Publication date: December 21, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshihisa SHINODA, Shigeki NAKAYAMA, Koji IDE, Tomohiro KANEKO, Hiroshi OYAGI, Masaki ITO, Yuki TAKAHASHI
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Publication number: 20230401871Abstract: An information processing system includes: a vehicle that captures an image of a periphery by an in-vehicle camera; and an information processing device including a processor. Further, the processor stores acquired image data without performing privacy processing in a case where a predetermined specific event is occurred therein, and stores the acquired image data after performing the privacy processing in a case where the specific event is not occurred therein.Type: ApplicationFiled: May 31, 2023Publication date: December 14, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaki Ito, Yuki Takahashi, Koji Ide, Hiroshi Oyagi, Yoshihisa Shinoda, Shigeki Nakayama, Tomohiro Kaneko
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Patent number: 11377110Abstract: A machine learning device training a learning model unique to a vehicle is provided with: a processor configured to use training data sets including values of state parameters detected by detectors provided at the vehicle, to train the learning model; and if an abnormality occurs in values of a state parameter detected by a detector, acquire values of the state parameter, where an abnormality has occurred, detected by another vehicle under conditions matching detection conditions when the values of the state parameter included in the training data sets were detected by the detector. If an abnormality occurs in values of the state parameter detected by the detector, the training part uses training data sets including values acquired from another vehicle by the parameter value acquiring part, instead of the values of the state parameter where an abnormality has occurred detected by the detector, to train the leaning model.Type: GrantFiled: October 8, 2021Date of Patent: July 5, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Daiki Yokoyama, Hiroshi Oyagi
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Patent number: 11358583Abstract: A hybrid vehicle includes an internal combustion engine, electric motors, an electric supercharger, a battery, and a controller. The controller determines whether to increase a total electric power supply amount to the electric motor and the electric supercharger from the battery based on a state of charge of the battery. When so determined, electric power supply promotion control is performed to increase the total electric power supply amount from the battery. In the electric power supply promotion control, the controller controls the electric power supply amount to the electric motors and the electric supercharger so as to maximize fuel save rate, which is the percentage of decrease of the fuel consumption of an internal combustion engine relative to an increase in the total electric power supply amount from the battery.Type: GrantFiled: March 7, 2019Date of Patent: June 14, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yusuke Takasu, Hiroshi Oyagi
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Publication number: 20220111850Abstract: A machine learning device training a learning model unique to a vehicle is provided with: a processor configured to use training data sets including values of state parameters detected by detectors provided at the vehicle, to train the learning model; and if an abnormality occurs in values of a state parameter detected by a detector, acquire values of the state parameter, where an abnormality has occurred, detected by another vehicle under conditions matching detection conditions when the values of the state parameter included in the training data sets were detected by the detector. If an abnormality occurs in values of the state parameter detected by the detector, the training part uses training data sets including values acquired from another vehicle by the parameter value acquiring part, instead of the values of the state parameter where an abnormality has occurred detected by the detector, to train the leaning model.Type: ApplicationFiled: October 8, 2021Publication date: April 14, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Daiki Yokoyama, Hiroshi Oyagi
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Publication number: 20210383215Abstract: A vehicle includes a first communication device configured to communicate with a server that correlatively stores trained models of other vehicles and information relating to training conditions of the models of the other vehicles, and a first control device. The first control device is configured to transmit information relating to training conditions of a model of an own vehicle to the server. The first control device is configured to receive part of a model of a particular vehicle of which training conditions are closest to those of the model of the own vehicle, which has been selected from the models of the other vehicles stored in the server, as transfer-learning data. The first control device is configured to reuse part of the received model of the particular vehicle and perform training of the model of the own vehicle.Type: ApplicationFiled: April 1, 2021Publication date: December 9, 2021Inventors: Ryo NAKABAYASHI, Daiki YOKOYAMA, Hiroshi OYAGI
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Publication number: 20210380092Abstract: A vehicle allocation device includes a processor including hardware, the processor being configured to: determine, for each vehicle, a necessity of suppressing lowering of performance of an internal combustion engine based on vehicle information corresponding to the vehicle; determine a reservation as a first reservation when reservation information corresponding to the reservation of renting the vehicle satisfies a first condition under which suppressing of lowering of the performance is expected; and allocate the vehicle to the reservation based on the reservation information, wherein the processor is configured to allocate, in a case where the reservation is the first reservation, the vehicle satisfying a second condition indicating a high necessity of the suppression of lowering of the performance or the vehicle having a higher necessity of the suppression of lowering of the performance than the other vehicle to the reservation.Type: ApplicationFiled: June 4, 2021Publication date: December 9, 2021Inventors: Hiroshi OYAGI, Yusuke TAKASU, Keisuke NAGASAKA, Tomohiro KANEKO, Kohji OGASAWARA
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Publication number: 20210357837Abstract: A vehicle allocation device for allocating a vehicle in response to a vehicle allocation request from a terminal of a user includes a vehicle selection unit configured to select, from a plurality of vehicles learning a relationship between input parameters and an output parameter related to traveling, a vehicle having relatively large learning progress in the relationship between the input parameters and the output parameter, and output a vehicle allocation instruction to the selected vehicle in a case where the vehicle allocation request is received.Type: ApplicationFiled: March 29, 2021Publication date: November 18, 2021Inventors: Keisuke NAGASAKA, Daiki YOKOYAMA, Hiroshi OYAGI
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Publication number: 20210356280Abstract: A vehicle allocation device allocates a vehicle in response to a vehicle allocation request from a terminal of a user. The vehicle allocation device includes a vehicle selection unit configured to select a vehicle having relatively small learning progress of an input/output relationship of parameters depending on a scheduled traveling area where the user is traveling, from a plurality of vehicles learning an input/output relationship of parameters depending on a predetermined area, and output a vehicle allocation instruction to the selected vehicle in a case where the vehicle allocation request is received.Type: ApplicationFiled: March 19, 2021Publication date: November 18, 2021Inventors: Satoshi KANEKO, Daiki YOKOYAMA, Hiroshi OYAGI, Ryo NAKABAYASHI