Patents by Inventor Kei Yoshikawa
Kei Yoshikawa 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: 11964402Abstract: In a robot control system, the operation of a mobile robot that moves autonomously inside a facility is controlled based at least on an image captured by a photographing device that photographs a blind area located at a blind angle to the mobile robot. When entry of the mobile robot into a predetermined area corresponding to the blind area is detected, the amount of information obtainable from an image captured by the photographing device is increased.Type: GrantFiled: November 11, 2021Date of Patent: April 23, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shiro Oda, Tetsuya Taira, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma, Kyosuke Arai
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Patent number: 11926067Abstract: In a robot control system, the operation of a mobile robot that moves autonomously inside a facility is controlled based at least on an image captured by a photographing device that photographs a blind area located at a blind angle to the mobile robot. When entry of the mobile robot into a predetermined area corresponding to the blind area is detected, the amount of information obtainable from an image captured by the photographing device is increased.Type: GrantFiled: November 11, 2021Date of Patent: March 12, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shiro Oda, Tetsuya Taira, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma, Kyosuke Arai
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Patent number: 11919168Abstract: A robot control system according to the present embodiment is a robot control system that controls a plurality of transport robots that is travelable autonomously in a facility. The robot control system: acquires error information indicating that an error has occurred in a first transport robot; acquires transported object information related to a transported object of the first transport robot; determines a second transport robot able to transport the transported object of the first transport robot among the transport robots based on the transported object information and the error information; and moves the second transport robot to a transfer location of the transported object of the first transport robot.Type: GrantFiled: November 10, 2021Date of Patent: March 5, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tetsuya Taira, Shiro Oda, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma
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Patent number: 11914397Abstract: A robot control system according to the present embodiment is a robot control system that controls a plurality of mobile robots that can autonomously move in a facility. The robot control system acquires error information indicating that an error has occurred in a first transport robot, acquires transported object information related to a transported object of the first transport robot, determines a second transport robot able to transport the transported object of the first transport robot among the transport robots based on the transported object information and the error information, and moves the second transport robot to a transfer location of the transported object of the first transport robot.Type: GrantFiled: December 8, 2021Date of Patent: February 27, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shiro Oda, Tetsuya Taira, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma, Kyosuke Arai
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Patent number: 11915536Abstract: An anomaly determination apparatus for a vehicle that includes a transmission includes an execution device and a memory device. The memory device is configured to store map data that defines pre-trained map, which has been trained through machine learning. When a variable representing time-series data of a rotation speed of a gear is fed to the map as an input variable, the map outputs a state variable representing a state of the gear as an output variable. The execution device is configured to execute: an obtaining process that obtains the variable representing the time-series data as a value of the input variable; and a determination process that determines whether there is an anomaly in the transmission based on a value of the output variable that is output by the map when the value of the input variable is fed to the map.Type: GrantFiled: July 12, 2021Date of Patent: February 27, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideaki Bunazawa, Tetsuya Yoshikawa, Kei Yuasa, Kenichi Yamaguchi
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Patent number: 11914363Abstract: A mobile robot receives first transmission information transmitted from a server device to manage the mobile robot in a state where wireless communication with the server device is possible, directly executes wireless communication with another mobile robot among the mobile robots and executes a reception process of receiving the first transmission information transmitted from the server device to manage the mobile robot from the other mobile robot in a case where wireless communication with the server device is not possible.Type: GrantFiled: December 7, 2021Date of Patent: February 27, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shiro Oda, Tetsuya Taira, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma, Kyosuke Arai
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Patent number: 11906976Abstract: A robot control system is a robot control system that controls a plurality of mobile robots, in which: each of the mobile robots includes right and left wheels, and a sensor that detects actions of the right and left wheels; and the control system calculates abrasion degrees of right and left components for the right and left wheels, depending on a detection result of the sensor, and manages traveling of the plurality of mobile robots, depending on the abrasion degrees.Type: GrantFiled: March 9, 2022Date of Patent: February 20, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shiro Oda, Tetsuya Taira, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma, Kyosuke Arai
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Publication number: 20230418296Abstract: An autonomous mobile robot control system includes: a host management device; and an autonomous mobile robot. The host management device includes a data collection unit that collects sunshine condition data corresponding to a sunshine condition within a movement range of the autonomous mobile robot, and a parameter calculation unit that calculates, based on the sunshine condition data, an optimum parameter that reduces an influence of the sunshine condition corresponding to the sunshine condition data. The autonomous mobile robot includes a parameter setting unit that sets the optimum parameter. The autonomous mobile robot control system executes a predetermined operation based on the optimum parameter set by the parameter setting unit.Type: ApplicationFiled: June 13, 2023Publication date: December 28, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yusuke OTA, Shiro ODA, Masayoshi TSUCHINAGA, Kei YOSHIKAWA, Takeshi MATSUI
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Publication number: 20230364784Abstract: A control system according to the present embodiment includes: a feature extraction unit that extracts a feature of a person in a captured image captured by a camera; a first determination unit that determines, based on a feature extraction result, whether the person included in the captured image is a device user who uses an assistive device for assisting movement; a second determination unit that determines, based on the feature extraction result, whether an assistant who assists movement of the device user is present; and a control unit that switches between a first mode and a second mode that executes a process with a lower load than a processing load in the first mode depending on whether the assistant is present.Type: ApplicationFiled: March 22, 2023Publication date: November 16, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kei Yoshikawa, Shiro Oda, Susumu Shimizu, Takeshi Matsui
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Publication number: 20230368517Abstract: A control system according to the present disclosure executes system control that controls a system including a mobile robot that autonomously moves. The control system executes a group classification process of recognizing a feature of a person present around the mobile robot and classifying, based on the feature, the person into a preset first group or second group. The control system above selects a first operation mode when the person belonging to the first group is present around the mobile robot and selects a second operation mode that is different from the first operation mode when the person belonging to the first group is not present around the mobile robot. The control system above controls, when the second operation mode is selected, the group classification process so as to execute a process with a smaller processing load than a processing load when the first operation mode is selected.Type: ApplicationFiled: March 16, 2023Publication date: November 16, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kei Yoshikawa, Shiro Oda, Susumu Shimizu, Takeshi Matsui
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Patent number: 11782449Abstract: An autonomous mobile system according to the present embodiment is an autonomous mobile system that autonomously moves in a facility provided with a corner between aisles. When the autonomous mobile system turns at the corner, the autonomous mobile system calculates a magnitude of a corner radius of turning in a traveling path based on an obstacle captured in image data of a camera that captures an image of an exit of the corner.Type: GrantFiled: October 29, 2021Date of Patent: October 10, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tetsuya Taira, Shiro Oda, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma
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Control system, control method, and computer readable medium for opening and closing a security gate
Patent number: 11776339Abstract: A control system that controls opening-closing of a security gate which is provided in a facility in which a plurality of mobile robots travels autonomously is provided. The control system performs: receiving a passing-through reservation signal for passing through the security gate; and allowing a plurality of mobile robots to consecutively pass through the security gate while the security gate opens its gate once when passing-through reservation signals are received from the plurality of mobile robots.Type: GrantFiled: December 8, 2021Date of Patent: October 3, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shiro Oda, Tetsuya Taira, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma, Kyosuke Arai -
Patent number: 11755009Abstract: A transport system transports a transported object using an autonomously moveable mobile robot. The transport system stores management information including a use start time, a use end time, and a use location for each equipment to be lent that is transported as the transported object by the mobile robot. The transport system executes a determination process for determining whether an interval from the use end time to a next use start time is equal to or longer than a predetermined time for each equipment based on the management information. The transport system transports the equipment to its storage location after an end of use of the equipment when the interval is equal to or longer than the predetermined time, and transports the equipment to a next use location of the equipment after the end of the use of the equipment when the interval is shorter than the predetermined time.Type: GrantFiled: October 13, 2021Date of Patent: September 12, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Shiro Oda, Tetsuya Taira, Satoshi Toyoshima, Yuta Watanabe, Takeshi Matsui, Takayoshi Nasu, Kei Yoshikawa, Yusuke Ota, Yutaro Ishida, Yuji Onuma, Kyosuke Arai
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Publication number: 20230236601Abstract: A control system is configured to control a system including a plurality of cameras installed in a facility, and perform a group classification process for recognizing a feature of a person photographed by the camera and classifying the person into a predetermined first or second group based on the feature. When there is or isn’t a person belonging to the first group, the control system selects a first operation mode and a second operation mode different from the first operation mode, respectively. When the control system selects the second operation mode, it performs the process so as to make either one of the number of cameras to be operated among the plurality of cameras and the number of cameras used as an information source in classification in the process among the plurality of cameras less than the number of cameras that are used when the first operation mode is selected.Type: ApplicationFiled: December 5, 2022Publication date: July 27, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kei YOSHIKAWA, Shiro ODA, Susumu SHIMIZU, Takeshi MATSUI
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Publication number: 20230202046Abstract: A control system comprises one or more processors. The one or more processors are configured to extract a feature of a person in an image captured by a camera, classify the person into a preset first group or a preset second group based on the feature, estimate a moving speed of the person belonging to the second group, and switch, based on the moving speed, a mode between a high-load mode for performing a high-load process and a low-load mode for performing a process with a load lower than a load in the high-load mode.Type: ApplicationFiled: October 27, 2022Publication date: June 29, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kei YOSHIKAWA, Shiro ODA, Susumu SHIMIZU, Takeshi MATSUI
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Publication number: 20230152811Abstract: A robot control system according to an embodiment is configured to control a mobile robot configured to autonomously move by referring to a map, the robot control system being further configured to: acquire a distance to a nearby object measured by using a range sensor; specify a position of the nearby object on the map according to the distance from a position of the mobile robot to the nearby object; estimate a movement vector indicating a moving speed and a moving direction of the nearby object according to a change in the distance to the nearby object; add a cost for restricting a movement of the mobile robot on the map; and perform control so that the mobile robot moves according to the cost updated according to a result of measurement by the range sensor.Type: ApplicationFiled: November 8, 2022Publication date: May 18, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuta WATANABE, Shiro ODA, Kei YOSHIKAWA, Yukinori KURAHASHI, Takeshi MATSUI
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Publication number: 20230150132Abstract: A robot control system according to an embodiment is configured to control a mobile robot configured to autonomously move by referring to a map, the robot control system being further configured to: acquire a distance to a nearby object measured by using a range sensor; specify a position of the nearby object on the map according to the distance from a position of the mobile robot to the nearby object; estimate a moving direction of the nearby object in a lateral direction in accordance with a change of the distance to the nearby object, the lateral direction being a direction defined with reference to a traveling direction of the mobile robot; and change a route so that the mobile robot travels on a side opposite to the moving direction of the nearby object.Type: ApplicationFiled: September 30, 2022Publication date: May 18, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuta WATANABE, Shiro ODA, Kei YOSHIKAWA, Yukinori KURAHASHI, Takeshi MATSUI
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Publication number: 20230150130Abstract: A robot control system according to an embodiment is configured to control a mobile robot configured to autonomously move by referring to a map, the robot control system being further configured to: acquire a distance to a nearby object measured by using a range sensor; specify a position of the nearby object on the map according to the distance from a position of the mobile robot to the nearby object; estimate a movement vector indicating a moving speed and a moving direction of the nearby object according to a change in the distance to the nearby object; add a cost for restricting a movement of the mobile robot on the map; and perform control so that the mobile robot moves according to the cost updated according to a result of measurement by the range sensor.Type: ApplicationFiled: November 8, 2022Publication date: May 18, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yuta WATANABE, Shiro ODA, Kei YOSHIKAWA, Yukinori KURAHASHI
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Patent number: 11636838Abstract: A soundproof member is mounted on a structure including a rotation body, covers at least a part of outer peripheral surfaces of the structure, includes an integral article of an elastic member, and has eccentrically located portions having at least a greater thickness or a greater density than the other portions. The eccentrically located portions may be thick wall portions having a greater thickness than the other portions. When the elastic member has a base material including polymer and a magnetic filler included in a state of being oriented in the base material, highly filled portions in which a content of the magnetic filler is greater than that of the other portions can be set as the eccentrically located portions.Type: GrantFiled: February 6, 2020Date of Patent: April 25, 2023Assignee: Sumitomo Riko Company LimitedInventors: Kei Yoshikawa, Koji Tomiyama, Akio Yabu, Yasuo Suzuki
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Publication number: 20230080133Abstract: A computer-implemented method of estimating a 6D pose and shape of one or more objects from a 2D image, comprises the steps of: detecting, within the 2D image, one or more 2D regions of interest, each 2D region of interest containing a corresponding object among the one of more objects; cropping out a corresponding pixel value array, coordinate tensor , and feature map for each 2D region of interest; concatenating the corresponding pixel value array, coordinate tensor, and feature map for each 2D region of interest; and inferring, for each 2D region of interest, a 4D quaternion describing a rotation of the corresponding object in the 3D rotation group, a 2D centroid, which is a projection of a 3D translation of the corresponding object onto a plane of the 2D image given a camera matrix associated to the 2D, image, a distance from a viewpoint of the 2D image to the corresponding object a size and a class-specific latent shape vector of the corresponding object.Type: ApplicationFiled: February 21, 2020Publication date: March 16, 2023Inventors: Sven Meier, Norimasa Kobori, Luca Minciullo, Kei Yoshikawa, Fabian Manhardt, Manuel Nickel, Nassir Navab