Patents by Inventor Keigo Yamada
Keigo Yamada 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: 20240092337Abstract: A vehicle control apparatus includes front-wheel and rear-wheel driving systems, and a control system. The front-wheel driving system includes a first travel motor mechanically coupled to a front wheel of a vehicle and a first accumulator electrically coupled to the first travel motor. The rear-wheel driving system includes a second travel motor mechanically coupled to a rear wheel of the vehicle and a second accumulator electrically coupled to the second travel motor. The control system includes one or more processors and one or more memories communicably coupled to the one or more processors, and controls the first and second travel motors. When a difference between an SOC of the first accumulator and an SOC of the second accumulator is greater than a threshold value, the one or more processors change a torque distribution ratio between the first and second travel motors from a reference distribution ratio.Type: ApplicationFiled: September 13, 2023Publication date: March 21, 2024Inventors: Hiroshi KUSANO, Yoshinobu YAMAZAKI, Masami OGURI, Akihiro NABESHIMA, Yoshiyuki JIN, Takeshi YONEDA, Fumiya SATO, Keigo YAMADA, Takumi ARAKI, Shuntaro MIURA
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Publication number: 20240083621Abstract: Cushioning constituting a part of a box configured to accommodate an object to be packaged includes: a bottom plate on which the object to be packaged is to be placed; a top plate including a cushioning portion having a cushioning function, the cushioning portion and the bottom plate being configured to hold the object to be packaged therebetween; and a folding portion to be folded from the top plate over the bottom plate to apply tension to the cushioning portion holding the object to be packaged.Type: ApplicationFiled: March 23, 2023Publication date: March 14, 2024Applicant: FUJIFILM Business Innovation Corp.Inventor: Keigo YAMADA
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Patent number: 11926285Abstract: A remote communication system includes a portable device; and a fixed system. The fixed system includes main communication modules; and a position estimating unit configured to estimate a position of the portable device, based on an incident angle of a signal from the portable device, upon detecting the signal by antennas provided in the main communication modules. When there are two main communication modules for which the incident angle is known, the position of the portable device is estimated based on the incident angle. When there is one main communication module for which the incident angle is known, the position of the portable device is estimated based on the incident angle and a received radio wave intensity of the signal. When there is no main communication module for which the incident angle is known, the position of the portable device is estimated based on the received radio wave intensity.Type: GrantFiled: July 27, 2021Date of Patent: March 12, 2024Assignee: ALPS ALPINE CO., LTD.Inventors: Yoshihisa Kishimoto, Keigo Wakana, Daisuke Takai, Yukimitsu Yamada, Mitsuharu Nakasato, Kazuma Sato
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Patent number: 11912461Abstract: A shock absorbing member which absorbs a shock acting between a top plate with an upper surface on which a fixation target is loaded and the fixation target includes a fixation part that fixes the fixation target and a shock absorbing part that is supported by the top plate, supports the fixation part, and absorbs a shock acting on the fixation part.Type: GrantFiled: April 15, 2022Date of Patent: February 27, 2024Assignee: FUJIFILM Business Innovation Corp.Inventor: Keigo Yamada
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Publication number: 20230382390Abstract: A vehicle includes a first detector detecting first information related to a condition of a first road surface; a second detector contactlessly detecting second information related to a condition of a second road surface; and a controller controlling a driving force of the vehicle using a friction coefficient estimated based on the first and/or second information. A processor(s) of the controller execute(s) a process including: determining whether the conditions are of a same type based on the first and second information; when the conditions are of different types, controlling the driving force using a friction coefficient estimated based on the second information as a friction coefficient of the second road surface; and based on determining that the conditions are of the same type, controlling the driving force using a friction coefficient estimated based on the first information as the road surface friction coefficient of the second road surface.Type: ApplicationFiled: April 28, 2023Publication date: November 30, 2023Inventors: Fumiya Sato, Yoshinobu Yamazaki, Akihiro Nabeshima, Yoshiyuki Jin, Takeshi Yoneda, Hiroshi Kusano, Keigo Yamada, Takumi Araki, Shuntaro Miura
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Publication number: 20230373295Abstract: A drive system for a four-wheel drive vehicle including a friction brake system includes a first motor and a second motor, a propeller shaft for transmitting power between a front-wheel side and a rear-wheel side, a first differential mechanism configured to divide output torque of the first motor between a left wheel on one side of the front-wheel side and the rear-wheel side and the other side, a second differential mechanism configured to divide output torque of the second motor between a right wheel on the one side and the other side, and a control device for controlling regenerative braking force related to the first motor and the second motor and friction braking force related to the friction brake system. The first and second differential mechanisms are configured such that the ratio of output torque allocated to the front-wheel side is 50% or more.Type: ApplicationFiled: May 8, 2023Publication date: November 23, 2023Inventors: Yoshinobu YAMAZAKI, Masami OGURI, Akihiro Nabeshima, Yoshiyuki JIN, Takeshi YONEDA, Fumiya SATO, Hiroshi KUSANO, Keigo YAMADA, Takumi ARAKI, Shuntaro MIURA
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Publication number: 20230311671Abstract: An electric vehicle includes a motor and a controller. The controller is configured to; based on determining that the electric motor is in the locked state, set a search target torque greater than a value of torque demanded by a driver, and execute a increase of the motor torque up to the set target torque; upon making a determination that the locked state is ceased, store a value of the target torque at a time of making the determination, and execute a decrease of the target torque; and when a second value of the torque demanded by the driver becomes the value of the target torque or more after the decrease of the target torque, set a second value of the target torque in accordance with the second value of the torque demanded by the driver, and drive the electric motor in accordance with the set target torque.Type: ApplicationFiled: March 21, 2023Publication date: October 5, 2023Applicant: SUBARU CORPORATIONInventors: Keigo YAMADA, Yoshinobu YAMAZAKI, Yoshiyuki JIN, Akihiro NABESHIMA, Takeshi YONEDA, Fumiya SATO, Hiroshi KUSANO, Takumi ARAKI, Shuntaro MIURA
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Publication number: 20230294525Abstract: A power distribution apparatus for an electric vehicle includes a power distribution mechanism configured to distribute power output from an electric motor to front and rear wheels, and a controller configured to control the power distribution mechanism. The power distribution mechanism includes a first clutch configured to fix a power distribution ratio during straight traveling to a first distribution ratio at which first power distributed to the rear wheels and second power distributed to the front wheels are nearly same, and a second clutch configured to fix the power distribution ratio during straight traveling to a second distribution ratio at which the first power is larger than the second power. The controller is configured set the second clutch to an engaged state and sets the first clutch to a half-engaged state during regenerative braking.Type: ApplicationFiled: March 3, 2023Publication date: September 21, 2023Applicant: SUBARU CORPORATIONInventors: Yoshinobu YAMAZAKI, Masami OGURI, Akihiro NABESHIMA, Yoshiyuki JIN, Takeshi YONEDA, Fumiya SATO, Hiroshi KUSANO, Keigo YAMADA, Takumi ARAKI, Shuntaro MIURA, Susumu ITO
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Patent number: 11762395Abstract: A server includes a controller configured to control operation of a vehicle, and a communication interface configured to communicate with a terminal apparatus held by a first user. The communication interface acquires, from the terminal apparatus, a list including a vehicle designation condition designated by the first user when the first user reserves boarding of a vehicle. The controller determines a vehicle to be boarded by the first user based on the list.Type: GrantFiled: August 11, 2020Date of Patent: September 19, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki Tatsumoto, Saori Matsumoto, Keigo Yamada, Akira Sasaki, Mitsuhiro Miura
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Publication number: 20230129657Abstract: A shock absorbing member which absorbs a shock acting between a top plate with an upper surface on which a fixation target is loaded and the fixation target includes a fixation part that fixes the fixation target and a shock absorbing part that is supported by the top plate, supports the fixation part, and absorbs a shock acting on the fixation part.Type: ApplicationFiled: April 15, 2022Publication date: April 27, 2023Applicant: FUJIFILM Business Innovation Corp.Inventor: Keigo YAMADA
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Patent number: 11577738Abstract: A vehicle includes a cabin having a first room and a second room that are capable of accommodating at least one passenger, and configured to isolate one or more passengers accommodated in the first room from one or more passengers accommodated in the second room, a guidance apparatus configured to guide the at least one passenger to be accommodated in either the first room or the second room, and a control apparatus configured to control the guidance apparatus. When a user boards as the at least one passenger, the control apparatus determines which of the first room and the second room the user is to board, based on information regarding the user. The guidance apparatus is configured to guide and board the user to whichever of the first room and the second room determined by the control apparatus.Type: GrantFiled: July 28, 2020Date of Patent: February 14, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki Tatsumoto, Saori Matsumoto, Keigo Yamada, Akira Sasaki, Mitsuhiro Miura
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Patent number: 11247569Abstract: A damping control device for an electric vehicle including a motor and a transmission in a drive system between the motor and a drive wheel includes a detector, a bandpass filter, first to third calculators, and a controller. The detector detects a rotation speed of the motor. The bandpass filter passes a vibration component included in the detected motor rotation speed, in a resonance frequency band of the drive system. The first calculator calculates a damping torque for damping resonance of the drive system with a motor torque, based on the passed vibration component. The second calculator calculates, as a damping torque offset value, an average value of the calculated damping torque for a predetermined time. The third calculator calculates a target damping torque. The controller controls a drive state of the motor.Type: GrantFiled: April 1, 2020Date of Patent: February 15, 2022Assignee: SUBARU CORPORATIONInventors: Keigo Yamada, Shogo Machida
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Publication number: 20210326775Abstract: An operation management apparatus includes a controller configured to manage operation of a vehicle. The controller is configured to receive, from a terminal apparatus of a user, boarding application information including a desired condition of the user, determine an operation schedule for the vehicle so as to enable the user to board the vehicle in accordance with the desired condition, when an operation demand for the vehicle occurs, change the operation schedule based on the operation demand, and when the user is unable to board the vehicle as per the desired condition due to the change in the operation schedule made based on the operation demand, transmit, to the terminal apparatus of the user, information regarding an incentive to be granted to the user.Type: ApplicationFiled: April 5, 2021Publication date: October 21, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki TATSUMOTO, Saori MATSUMOTO, Keigo YAMADA, Akira SASAKI, Mitsuhiro MIURA
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Publication number: 20210312489Abstract: An operation management apparatus includes a controller configured to manage operation of a vehicle for boarding a user. The controller is configured to grant an incentive to the user based on an event that has occurred in the vehicle while the user is on board.Type: ApplicationFiled: March 12, 2021Publication date: October 7, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki TATSUMOTO, Saori MATSUMOTO, Keigo YAMADA, Akira SASAKI, Mitsuhiro MIURA
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Publication number: 20210302178Abstract: An operation management apparatus includes a controller configured to manage operation of a vehicle. The controller is configured to: cause the vehicle to provide a first service for transporting a user between at least two points during a first time period; and cause the vehicle to provide a second service for enabling the user to stay at a predetermined point or in a predetermined area during a second time period.Type: ApplicationFiled: March 15, 2021Publication date: September 30, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki TATSUMOTO, Saori MATSUMOTO, Keigo YAMADA, Akira SASAKI, Mitsuhiro MIURA
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Publication number: 20210291809Abstract: An information processing apparatus includes a communication interface and a controller. The communication interface receives, from a first terminal apparatus of a first user who entrusts management of a vehicle ridden into a predetermined area, entrustment request information including information that specifies the predetermined area. The controller determines a second user to assume management of the vehicle based on the entrustment request information and outputs information to a second terminal apparatus of the second user.Type: ApplicationFiled: March 15, 2021Publication date: September 23, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki TATSUMOTO, Saori MATSUMOTO, Keigo YAMADA, Akira SASAKI, Mitsuhiro MIURA
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Publication number: 20210264328Abstract: A server includes a communication interface configured to communicate with an information terminal in the possession of a user; and a controller configured to manage operation schedule information for one or more vehicles. The communication interface is configured to receive boarding request information from the information terminal in the possession of the user. The boarding request information includes a desired boarding location, a desired alighting location, and a desired boarding time and/or a desired alighting time of the user. The controller is configured to determine, for a vehicle that can be used by the user, a potential boarding location and a potential alighting location, and a potential boarding time and a potential alighting time, based on the operation schedule information, the boarding request information, and road condition information indicating a condition of a road in the vicinity of the desired boarding location and the desired alighting location.Type: ApplicationFiled: February 26, 2021Publication date: August 26, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki TATSUMOTO, Saori MATSUMOTO, Keigo YAMADA, Akira SASAKI, Mitsuhiro MIURA
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Publication number: 20210264784Abstract: A server includes a communication interface and a controller. The communication interface is configured to receive request information including first location information and purpose information, the first location information indicating a location of a user, and the purpose information indicating a travel purpose of the user. The controller is configured to search operation schedule information indicating respective operation routes of a plurality of vehicles and times at which each vehicle is scheduled to pass through a plurality of places on a corresponding operation route, and facility information including second location information and attribute information, the second location information indicating respective locations of a plurality of facilities, and the attribute information indicating respective attributes of the plurality of facilities.Type: ApplicationFiled: February 22, 2021Publication date: August 26, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki TATSUMOTO, Saori MATSUMOTO, Keigo YAMADA, Akira SASAKI, Mitsuhiro MIURA
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Publication number: 20210158435Abstract: A vehicle includes a container capable of housing a mobile object to be used by a user. The vehicle is configured to, in accordance with use request information for the mobile object from the user, move to at least one of a location at which the user is to rent the mobile object and a location at which the user is to return the mobile object.Type: ApplicationFiled: October 23, 2020Publication date: May 27, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki Tatsumoto, Saori Matsumoto, Keigo Yamada, Akira Sasaki, Mitsuhiro Miura
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Publication number: 20210065072Abstract: A vehicle includes: a compartment equipped with a locker configured to be usable by a user and a communication apparatus communicably connected with a terminal apparatus possessed by the user and configured to acquire point-of-use information from the terminal apparatus, the point-of-use information concerning a point at which the user uses the locker, wherein the vehicle moves based on the point-of-use information.Type: ApplicationFiled: August 26, 2020Publication date: March 4, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuki TATSUMOTO, Saori MATSUMOTO, Keigo YAMADA, Akira SASAKI, Mitsuhiro MIURA