Patents by Inventor Yushi SEKI
Yushi SEKI 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: 20200400058Abstract: A CO2 trapping device mounted in a hybrid vehicle, provided with a branch passage branched from an exhaust passage, a CO2 trapping part provided at the branch passage and trapping CO2 in inflowing exhaust gas, a cooling part using electric power of the battery to cool the CO2 trapping part, a flow controlling part controlling an amount of flow of the exhaust gas flowing into the branch passage, and a CO2 trapping control part controlling the cooling part and the flow controlling part, the CO2 trapping control part controlling the flow controlling part so as to make the cooling part stop cooling and to shut off the flow of the exhaust gas to the CO2 trapping part when a charging rate of the battery becomes a predetermined SOC threshold value or less.Type: ApplicationFiled: May 28, 2020Publication date: December 24, 2020Inventors: Kiyoshi FUJIHARA, Kouseki SUGIYAMA, Hiroshi OHTSUKI, Daiki YOKOYAMA, Yushi SEKI
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Publication number: 20200301416Abstract: A vehicle control system is provided to maintain an SOC level of the battery during autonomous operation of the vehicle. The control system is applied to a vehicle that can be operated autonomously by controlling an engine, a motor, a steering system, a brake system etc. autonomously by a controller, and the vehicle is allowed to coast by manipulating a clutch. During autonomous operation of the vehicle, a first coasting mode in which the engine is stopped and the clutch is disengaged is selected if the SOC level is higher than a threshold level, and a second coasting mode in which the engine is activated and the clutch is disengaged is selected if the SOC level is lower than the threshold level.Type: ApplicationFiled: June 10, 2020Publication date: September 24, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takahito ENDO, Yasuhiro OSHIUMI, Kensei HATA, Yasuyuki KATO, Yushi SEKI, Katsuya IWAZAKI, Hideaki KOMADA
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Patent number: 10744862Abstract: An electric vehicle is provided with an electric motor serving as a driving source and is not provided with an internal combustion engine from which power is transmitted to drive wheels driven by power from the electric motor. The electric vehicle includes: a torque converter that is disposed coaxially with an output shaft of the electric motor, and to which the power is transmitted from the electric motor; an automatic transmission disposed on a power transmission path between the electric motor and the drive wheels, and configured to achieve a shift stage at which the power is interrupted; and a mechanical oil pump driven by the power from the electric motor, and disposed on the power transmission path, at a position upstream of the automatic transmission in a direction of power transmission from the electric motor to the drive wheels. The mechanical oil pump is disposed in the electric motor.Type: GrantFiled: September 17, 2018Date of Patent: August 18, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tadashi Sekiguchi, Yushi Seki
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Patent number: 10710470Abstract: A coolant passage of a vehicular cooling system includes a battery coolant passage through which a coolant is supplied from a radiator to a battery, a discharge coolant passage through which the coolant is supplied to the radiator, a first bypass passage through which the coolant is supplied from the discharge coolant passage to the battery coolant passage while bypassing the radiator, and a switching valve that switches a pathway of the coolant, between a first pathway through which the coolant is supplied from the discharge coolant passage to the battery coolant passage via the radiator and a second pathway through which the coolant is supplied from the discharge coolant passage to the battery coolant passage via the first bypass passage. An electronic control unit controls the switching valve such that the pathway is switched to the second pathway at the time of increasing a temperature of the battery.Type: GrantFiled: July 19, 2018Date of Patent: July 14, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Satoshi Tominaga, Daisuke Tokozakura, Yushi Seki
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Patent number: 10712741Abstract: A vehicle control system is provided to maintain an SOC level of the battery during autonomous operation of the vehicle. The control system is applied to a vehicle that can be operated autonomously by controlling an engine, a motor, a steering system, a brake system etc. autonomously by a controller, and the vehicle is allowed to coast by manipulating a clutch. During autonomous operation of the vehicle, a first coasting mode in which the engine is stopped and the clutch is disengaged is selected if the SOC level is higher than a threshold level, and a second coasting mode in which the engine is activated and the clutch is disengaged is selected if the SOC level is lower than the threshold level.Type: GrantFiled: October 27, 2017Date of Patent: July 14, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takahito Endo, Yasuhiro Oshiumi, Kensei Hata, Yasuyuki Kato, Yushi Seki, Katsuya Iwazaki, Hideaki Komada
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Patent number: 10629077Abstract: A first terminal in a first vehicle included in a vehicle exterior information sharing system sends, when it is detected that a second vehicle is going to park around the first vehicle while the first vehicle is parked, vehicle exterior information on an object around the first vehicle, which is acquired by a sensor device installed on the first vehicle, and a second terminal in the second vehicle receives the vehicle exterior information sent by the first terminal and presents the received vehicle exterior information to a driver of the second vehicle.Type: GrantFiled: March 28, 2019Date of Patent: April 21, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yushi Seki, Ryoko Hashimoto, Katsuya Terahata, Daiki Yokoyama
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Patent number: 10576966Abstract: A control system for hybrid vehicles to properly select an operating mode during autonomous operation is provided. An operating mode of the hybrid vehicle is selected from a hybrid mode and an electric vehicle mode. A controller that is configured to: determine an existence of a passenger in a vehicle compartment; select the electric vehicle mode in a case that the hybrid vehicle is operated autonomously while carrying the passenger; and select the hybrid mode in a case that the hybrid vehicle is operated autonomously without carrying the passenger.Type: GrantFiled: August 23, 2017Date of Patent: March 3, 2020Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takahito Endo, Yasuhiro Oshiumi, Kensei Hata, Yasuyuki Kato, Yushi Seki, Katsuya Iwazaki, Akira Murakami
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Publication number: 20200016997Abstract: An accommodation vehicle management apparatus is disclosed which is configured to manage an accommodation vehicle including a reclinable seat in which a passenger sits, the reclinable seat being usable as bedding on which the passenger lies, and the accommodation vehicle being movable. The accommodation vehicle management apparatus includes a first hardware processor configured to restrict a reclining angle of the reclinable seat to less than a predetermined angle set as a reclining angle at the time of the reclinable seat being used as the bedding, at least while the accommodation vehicle is moving.Type: ApplicationFiled: May 31, 2019Publication date: January 16, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shoya SATO, Katsuya TERAHATA, Yushi SEKI
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Patent number: 10514267Abstract: A vehicle operation management apparatus includes an operation management controller receiving information including embarking and disembarking position information; selecting an overnight stay parking lot; creating the operation plan including a plan of using at least one of electric power and fuel in accordance with a facility of the overnight stay parking lot; selecting the overnight vehicle; calculating a price corresponding to the operation plan; and transmitting information of the selected overnight vehicle and the determined price to the user terminal. Further, the overnight vehicle includes a rechargeable battery, and in a case where there is no facility capable of charging the battery and no: facility capable of performing fuel supply to the overnight vehicle in the overnight stay parking lot selected in the operation plan, travel, control in the operation plan is set to travel control of suppressing consumption of electric power from the battery in the overnight vehicle.Type: GrantFiled: December 19, 2018Date of Patent: December 24, 2019Assignee: Toyota Jidosha Kabushiki KaishaInventors: Katsuya Terahata, Naoya Ishizaki, Yushi Seki
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Publication number: 20190377365Abstract: A vehicle management apparatus includes: a communication unit communicating with a vehicle with lodging capability; a vehicle management control unit creating a travel plan based on information transmitted from a use terminal operated by a user, and managing travel of the vehicle; and an emergency vehicle management unit managing so that an emergency vehicle is deployed at a position so as to arrive at a route, on which the vehicle moves according to the travel plan, within a predetermined arrival time.Type: ApplicationFiled: April 15, 2019Publication date: December 12, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Katsuya TERAHATA, Yushi SEKI, Yoshihiro SAKAYANAGI, Koichi UEDA, Shuntaro SHINOHARA, Ryoko HASHIMOTO
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Publication number: 20190378056Abstract: An accommodation vehicle management apparatus includes a transmitter/receiver configured to communicate with an accommodation vehicle where one or more guests may stay overnight; a processor comprising hardware, wherein the processor is configured to determine whether an actual number of guests in the accommodation vehicle is less than or equal to a predetermined number of guests who are allowed to utilize the accommodation vehicle by using bedding, and output an allowance signal indicating allowance of usage of the bedding to the accommodation vehicle through the transmitter/receiver when it is determined that the actual number of guests in the accommodation vehicle is less than or equal to the redetermined number of guests.Type: ApplicationFiled: May 29, 2019Publication date: December 12, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shoya SATO, Katsuya TERAHATA, Yushi SEKI
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RIDE-SHARING ASSISTANCE SYSTEM, RIDE-SHARING ASSISTANCE APPARATUS AND RIDE-SHARING ASSISTANCE METHOD
Publication number: 20190360827Abstract: A ride-sharing assistance system includes a plurality of terminals and a ride-sharing assistance apparatus capable of communicating with each of the plurality of terminals. The ride-sharing assistance apparatus sends, when the number of inquiry signals received from at least two terminals of the plurality of terminals for requesting inquiry about a parking space available at a same destination is greater than a vacancy reference value in accordance with the number of available parking spaces within a certain range from the destination, a suggestion signal for suggesting ride-sharing on a vehicle owned by any one of users of the at least two terminals, from which the inquiry signal has been sent, to each of the at least two terminals from which the inquiry signal has been sent.Type: ApplicationFiled: March 28, 2019Publication date: November 28, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yushi SEKI, Ryoko HASHIMOTO, Katsuya TERAHATA, Daiki YOKOYAMA -
Publication number: 20190355254Abstract: A first terminal in a first vehicle included in a vehicle exterior information sharing system sends, when it is detected that a second vehicle is going to park around the first vehicle while the first vehicle is parked, vehicle exterior information on an object around the first vehicle, which is acquired by a sensor device installed on the first vehicle, and a second terminal in the second vehicle receives the vehicle exterior information sent by the first terminal and presents the received vehicle exterior information to a driver of the second vehicle.Type: ApplicationFiled: March 28, 2019Publication date: November 21, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yushi SEKI, Ryoko HASHIMOTO, Katsuya TERAHATA, Daiki YOKOYAMA
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RIDE-SHARING ASSISTANCE APPARATUS, RIDE-SHARING ASSISTANCE SYSTEM AND RIDE-SHARING ASSISTANCE METHOD
Publication number: 20190354903Abstract: A ride-sharing assistance apparatus includes a communication circuit capable of communicating with a plurality of terminals and a processor configured to calculate, upon receiving a ride-sharing request signal indicating a request for ride-sharing on a vehicle from at least two terminals of the plurality of terminals via the communication circuit, an evaluation score, for each combination of users of the at least two terminals, that represents compatibility between users included in the combination on the basis of information about a vehicle owned by each of the users of the at least two terminals, determine a combination of users having the highest evaluation score as the combination of users who will share a ride on a vehicle, and send a suggestion signal for suggesting ride-sharing on a vehicle to terminals of the users included in the determined combination of the at least two terminals via the communication circuit.Type: ApplicationFiled: March 28, 2019Publication date: November 21, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yushi SEKI, Ryoko HASHIMOTO, Katsuya TERAHATA, Daiki YOKOYAMA -
Publication number: 20190315243Abstract: A vehicle control system for an autonomous vehicle configured to charge a battery by an external power source during propulsion while preventing a deterioration of the battery. A controller detects a charging zone where the electric storage device can be charged by the external power source, and restricts at least any one of a charging of the electric storage device and a discharging of electricity from the electric storage device so as to limit a load factor of the electric storage device to be smaller than a predetermined limit value when the vehicle passes through the charging zone.Type: ApplicationFiled: April 4, 2019Publication date: October 17, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroaki KODERA, Takahito ENDO, Kensei HATA, Yushi SEKI
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Patent number: 10437242Abstract: A vehicle remote operation system includes a controller correcting a map, which indicates a relationship between an operation amount of a reference vehicle and an operation amount of a vehicle to be operated, based on vehicle characteristic data of the vehicle to be operated, characteristic of the operation device being determined based on characteristic of an operation device of the reference vehicle, correcting an operation amount, which is indicated by the operation signal, in accordance with a characteristic of the vehicle to be operated by using the corrected map, and outputting a control signal indicating the corrected operation amount to the vehicle to be operated so that the vehicle to be operated can be operated in accordance with the corrected operation amount.Type: GrantFiled: December 7, 2018Date of Patent: October 8, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takaaki Tokura, Naoya Ishizaki, Tomoharu Maeda, Yushi Seki, Hiroshi Majima, Katsuya Terahata
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Publication number: 20190300015Abstract: A vehicle control apparatus includes: an information acquisition unit acquiring feature information indicating a feature regarding vehicle driving of an occupant of a vehicle; and a control unit changing at least one property included in a driving property or a manipulation property in the vehicle. Further, the control unit changes at least one property included in the driving property or the manipulation property of the vehicle, from a basic property of the vehicle to a property reflecting the feature information, based on the feature information, and brings the changed property close to the basic property of the vehicle in accordance with at least one of an integrated value of boarding hours, an integrated value of running distances, and the number of boardings of the vehicle of the occupant.Type: ApplicationFiled: March 11, 2019Publication date: October 3, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hiroaki KODERA, Takahito ENDO, Kensei HATA, Katsuya IWAZAKI, Yushi SEKI
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Patent number: 10401850Abstract: A vehicle remote operation system includes a controller correcting a map, which indicates a relationship between an operation amount of a reference vehicle and an operation amount of a vehicle to be operated, based on vehicle characteristic data of the vehicle to be operated, characteristic of the operation device being determined based on characteristic of an operation device of the reference vehicle, correcting an operation amount, which is indicated by the operation signal, in accordance with a characteristic of the vehicle to be operated by using the corrected map, and outputting a control signal indicating the corrected operation amount to the vehicle to be operated so that the vehicle to be operated can be operated in accordance with the corrected operation amount.Type: GrantFiled: December 7, 2018Date of Patent: September 3, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takaaki Tokura, Naoya Ishizaki, Tomoharu Maeda, Yushi Seki, Hiroshi Majima, Katsuya Terahata
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Patent number: 10392017Abstract: A vehicle control system is provided to allow an autonomous vehicle to promptly launch after picking up a passenger. A controller comprises a drive controller for controlling a drive motor, and electric power is supplied to the drive motor from a power source. A main switch is manipulated by the controller to selectively connect and disconnect the drive controller to/from the power source. The controller is configured to propel the vehicle autonomously to a pickup location to pick up a passenger, and to turn on the main switch if the passenger is detected within a predetermined area at the pickup location.Type: GrantFiled: August 28, 2017Date of Patent: August 27, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yushi Seki, Kensei Hata, Takahito Endo, Yasuhiro Oshiumi, Yasuyuki Kato, Katsuya Iwazaki
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Patent number: 10343675Abstract: A vehicle control system to operate a vehicle autonomously with improved energy efficiency and ride quality is provided. A controller is configured to set a limit value of an operating point of an engine to reduce noises and vibrations. The operating point of the engine is restricted by the limit value within an acceptable region where an engine speed is higher than the limit value but an engine torque is lower than the limit value. The limit value is set to a first limit value when the vehicle is operated autonomously while carrying the passenger, and to a second limit value to expand the acceptable region when the vehicle is operated autonomously without carrying the passenger.Type: GrantFiled: August 24, 2017Date of Patent: July 9, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kensei Hata, Yasuhiro Oshiumi, Takahito Endo, Yasuyuki Kato, Yushi Seki, Katsuya Iwazaki, Akira Murakami