Patents by Inventor Tadashi Okubo
Tadashi Okubo 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: 20240308341Abstract: A vehicle display device includes a housing that includes an opening and a first wall, in which the housing is attached to a vehicle in an orientation in which the opening faces an upper side in a vertical direction of the vehicle, and the first wall faces a rear side in a front-rear direction of the vehicle, an image display device, and a transparent cover. The first wall includes a pinch part pinched by one hand of an operator. The pinch part includes a first recessed portion and a second recessed portion, which are spaced apart from each other. The first recessed portion is recessed toward the second recessed portion. The second recessed portion is recessed toward the first recessed portion.Type: ApplicationFiled: March 8, 2024Publication date: September 19, 2024Inventors: Yuki Miyoshi, Yasuhiro Katsumata, Akira Yamanaka, Hiroshi Sano, Yoshihide Takada, Takahiro Osawa, Tetsuya Suganuma, Yu Kobayashi, Makoto Fujii, Koichi Kase, Shuhei Yamaguchi, Tadashi Okubo, Ryosuke Tsuchite
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Patent number: 12026040Abstract: An abnormality determination system includes first data acquisition circuitry configured to acquire time-series data relating to an operation of a device, sample data creation circuitry configured to create sample data based on abnormality time-series data which the first data acquisition circuitry acquires while an abnormality occurs in the operation of the device, and first abnormality determination circuitry configured to determine the abnormality in the operation of the device based on the time-series data and the sample data.Type: GrantFiled: August 29, 2022Date of Patent: July 2, 2024Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Tadashi Okubo, Toshinobu Kira, Junya Hisamatsu, Minoru Koga
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Patent number: 11955917Abstract: A motor control system includes host control circuitry configured to generate a first control command; a plurality of motor control apparatuses configured to control a plurality of motors, respectively, based on the first control command; and reference information output circuitry configured to output reference information to one of the plurality of motor control apparatuses which is configured to control one of the plurality of motors. The reference information relates to control of the plurality of motors. Each of the plurality of motor control apparatuses corresponds to a corresponding motor among the plurality of motors and includes information sharing circuitry configured to share the reference information among the plurality of motor control apparatuses via data communication; command conversion circuitry configured to convert the reference information into a second control command; and motor control circuitry configured to control the corresponding motor based on the second control command.Type: GrantFiled: September 7, 2022Date of Patent: April 9, 2024Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Toshinobu Kira, Tadashi Okubo, Isamu Matsumura, Ryo Ota, Yu Katono
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Publication number: 20240067168Abstract: A vehicle controller includes a processor configured to detect a vehicle ahead of a host vehicle from time-series sensor signals obtained by a sensor provided on the host vehicle for sensing objects around the host vehicle, track the vehicle ahead detected from the time-series sensor signals, determine whether the vehicle ahead has performed an avoidance action, based on the result of tracking, detect, when the vehicle ahead has performed an avoidance action, a trajectory of an edge of the vehicle ahead opposite a direction of avoidance in the avoidance action, and control travel of the host vehicle so that an edge of the host vehicle opposite the direction of avoidance moves along the detected trajectory.Type: ApplicationFiled: July 21, 2023Publication date: February 29, 2024Applicant: Toyota Jidosha Kabushiki KaishaInventors: Ryusuke KURODA, Kenichiro Aoki, Tetsuro Sugiura, Takuya Fujiki, Hitoshi Kamada, Wataru Kawashima, Tadashi Okubo
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Publication number: 20240067231Abstract: A travel controller of a vehicle that can travel on a road under autonomous driving control detecting two-wheelers, including bicycles, located in surroundings of the vehicle from surrounding data representing the surroundings of the vehicle generated by a surrounding sensor mounted on the vehicle, determining whether a target road on which the vehicle was traveling when the surrounding data in which a two-wheeler was detected was generated is a shared road on which travel by bicycles is permitted, when it is determined that the target road is a shared road, notifying a driver of the vehicle of a transition demand demanding transition in control of the vehicle from autonomous driving control to manual driving control requiring driving operations by the driver of the vehicle, and when it is determined that the target road is not a shared road, not notifying the driver of the transition demand.Type: ApplicationFiled: August 11, 2023Publication date: February 29, 2024Inventors: Ryusuke Kuroda, Kenichiro Aoki, Tadashi Okubo, Takuya Fujiki, Tetsuro Sugiura, Kunio Goto
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Publication number: 20240071097Abstract: An apparatus for object detection detects a number of lanes included in a road on which a vehicle is traveling, detects one or more surrounding vehicles positioned in surroundings of the vehicle from a surrounding image showing the surroundings of the vehicle generated by a camera mounted in the vehicle, and determines, when more surrounding vehicles than the number of lanes detected in a predetermined range at the back of the vehicle are detected alongside in a width direction of the vehicle, that a possibility that any one of the surrounding vehicles being an emergency vehicle which is allowed to travel without obeying the traveling rule of the road is higher than when more surrounding vehicles than the number of lanes are not detected alongside in a width direction of the vehicle.Type: ApplicationFiled: August 10, 2023Publication date: February 29, 2024Inventors: Takuya Fujiki, Ryusuke Kuroda, Tadashi Okubo, Kenichiro Aoki, Tetsuro Sugiura, Wataru Kawashima, Hitoshi Kamada
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Publication number: 20240067165Abstract: A vehicle controller includes a processor configured to sense trouble with a first sensor among sensors that are capable of detecting objects around a host vehicle and whose sensing areas at least partially overlap, detect another vehicle traveling in an area around the host vehicle, based on sensor signals from the respective sensors, and decelerate the host vehicle at first deceleration in the case where trouble with the first sensor is sensed and where the other vehicle is detected on the basis of a sensor signal from a second sensor having lower priority than the first sensor in sensing the other vehicle cutting in front of the host vehicle.Type: ApplicationFiled: August 17, 2023Publication date: February 29, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ryusuke Kuroda, Kenichiro Aoki, Tadashi Okubo
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Publication number: 20240070909Abstract: An apparatus for distance estimation identifies a first partial region from a first surrounding image generated at a first point of time by a first camera, generates an interpolated second surrounding image corresponding to the first point of time by using a preceding second surrounding image and the succeeding second surrounding image, and estimates an interpolated position of the second camera corresponding to the first point of time. The apparatus detects one or more feature points for a target object represented in both the first partial region and the interpolated second surrounding image, and estimates the distance between the vehicle and the target object.Type: ApplicationFiled: June 13, 2023Publication date: February 29, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Tadashi OKUBO
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Publication number: 20230140482Abstract: An abnormality information estimation system includes processing circuitry that identifies, based on operation data related to an operation of an industrial device that controls a mechanism, multiple unit phenomena due to the operation, and estimates abnormality information about an abnormality occurring in the mechanism based on the multiple of unit phenomena.Type: ApplicationFiled: October 27, 2022Publication date: May 4, 2023Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Ayaka HASHIMOTO, Tadashi OKUBO, Takashi KITAZAWA, Tsuyoshi YOKOYA
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Publication number: 20230110855Abstract: A motor control system includes host control circuitry configured to generate a first control command; a plurality of motor control apparatuses configured to control a plurality of motors, respectively, based on the first control command; and reference information output circuitry configured to output reference information to one of the plurality of motor control apparatuses which is configured to control one of the plurality of motors. The reference information relates to control of the plurality of motors. Each of the plurality of motor control apparatuses corresponds to a corresponding motor among the plurality of motors and includes information sharing circuitry configured to share the reference information among the plurality of motor control apparatuses via data communication; command conversion circuitry configured to convert the reference information into a second control command; and motor control circuitry configured to control the corresponding motor based on the second control command.Type: ApplicationFiled: September 7, 2022Publication date: April 13, 2023Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Toshinobu KIRA, Tadashi OKUBO, Isamu MATSUMURA, Ryo OTA, Yu KATONO
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Publication number: 20230106184Abstract: An abnormality determination system includes first data acquisition circuitry configured to acquire time-series data relating to an operation of a device, sample data creation circuitry configured to create sample data based on abnormality time-series data which the first data acquisition circuitry acquires while an abnormality occurs in the operation of the device, and first abnormality determination circuitry configured to determine the abnormality in the operation of the device based on the time-series data and the sample data.Type: ApplicationFiled: August 29, 2022Publication date: April 6, 2023Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Tadashi OKUBO, Toshinobu KIRA, Junya HISAMATSU, Minoru KOGA
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Publication number: 20230038090Abstract: A linear transport system includes a stator having a track and coils provided along the track, carriers with a magnet and movable along the track, scales provided on the carriers, sensors provided along the track at respective intervals and configured to detect the carriers to obtain scale positions of the scales, a parameter memory configured to memorize first cumulative values each corresponding to a corresponding sensor, and position calculation circuitry. Each of the first cumulative values is obtained by accumulating, from a reference position to the corresponding sensor, error correction values based on which errors between the respective intervals and measured values of the respective intervals are corrected. The position calculation circuitry is configured to calculate a position of a detected carrier based on detection data of a detecting sensor that has detected the detected carrier and based on the first cumulative value corresponding to the detecting sensor.Type: ApplicationFiled: June 30, 2022Publication date: February 9, 2023Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Tadashi OKUBO, Yoshiyuki EBIHARA, Josuke NAGAI
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Patent number: 11527984Abstract: An abnormality determination system includes a state quantity obtaining circuit and an abnormality determination circuit. The state quantity obtaining circuit is configured to obtain a state quantity associated with a mechanical system. The abnormality determination circuit is configured to, according to a learning content obtained in a machine learning process and based on the state quantity, determine as to at least one of an occurrence of an abnormality in the mechanical system, an occurrence position of the abnormality, and a cause of the abnormality.Type: GrantFiled: May 21, 2020Date of Patent: December 13, 2022Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Takeshi Nagata, Takaaki Shogaki, Yasufumi Yoshiura, Tadashi Okubo, Toshinobu Kira
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Patent number: 11397414Abstract: A mechanical equipment control system includes a mechanical apparatus, a load ratio detection circuit, and an integration control circuit. The mechanical apparatus includes a motor which is configured to drive the mechanical apparatus. The load ratio detection circuit is configured to detect a load ratio of the motor. The integration control circuit is configured to control the mechanical apparatus based on an operation parameter while keeping the load ratio in an allowable load state.Type: GrantFiled: May 19, 2020Date of Patent: July 26, 2022Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Takeshi Nagata, Takaaki Shogaki, Yasufumi Yoshiura, Tadashi Okubo, Kei Katsuyama
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Patent number: 11226607Abstract: An abnormality determination system includes motor control circuitry that controls a motor of a motor-driven machine based on a motor control command, and compares operation data of the motor obtained in controlling the motor with reference data stored in a storage to determine whether the motor driven machine has an operation abnormality, upper-level control circuitry that transmits the motor control command to the motor control circuitry, and data transceiver circuitry that transmits and receives the reference data and the operation data to and from the motor control circuitry.Type: GrantFiled: April 9, 2018Date of Patent: January 18, 2022Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Takaaki Shogaki, Takeshi Nagata, Tadashi Okubo, Naoki Mizuno, Atsunobu Sakata
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Patent number: 11200520Abstract: Provided is an industrial equipment production system, including: a production propriety acquisition unit configured to acquire a determination result indicating whether or not industrial equipment is producible by using setting information regarding the industrial equipment based on equipment information regarding the industrial equipment; a supply propriety acquisition unit configured to acquire, based on user information regarding a user, a determination result indicating whether or not the industrial equipment produced by using the setting information is suppliable to the user; and a permission unit configured to permit the production of the industrial equipment that uses the setting information based on the determination result acquired by the production propriety acquisition unit and the determination result acquired by the supply propriety acquisition unit.Type: GrantFiled: November 24, 2016Date of Patent: December 14, 2021Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Takeshi Nagata, Tadashi Okubo, Yusuke Oka, Jiro Muraoka
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Publication number: 20200287497Abstract: An abnormality determination system includes a state quantity obtaining circuit and an abnormality determination circuit. The state quantity obtaining circuit is configured to obtain a state quantity associated with a mechanical system. The abnormality determination circuit is configured to, according to a learning content obtained in a machine learning process and based on the state quantity, determine as to at least one of an occurrence of an abnormality in the mechanical system, an occurrence position of the abnormality, and a cause of the abnormality.Type: ApplicationFiled: May 21, 2020Publication date: September 10, 2020Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Takeshi NAGATA, Takaaki SHOGAKI, Yasufumi YOSHIURA, Tadashi OKUBO, Toshinobu KIRA
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Patent number: 10771000Abstract: A motor control system includes a motor, a motor control apparatus that drives the motor and includes a first communication port and a second communication port, an upper-level control apparatus connected to the first communication port via a first communication path, an interface connected to the second communication port via a second communication path, and one or more detectors that detect information for controlling the motor and are connected to or including the interface. The motor control apparatus includes processing circuitry that obtains the information detected by the detector and exchanged between the upper-level control apparatus and the interface, and controls the motor based on the obtained information.Type: GrantFiled: October 10, 2017Date of Patent: September 8, 2020Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Tadashi Okubo, Yusuke Oka, Atsunobu Sakata, Hiroyuki Murakami, Daichi Horimai
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Publication number: 20200278647Abstract: A mechanical equipment control system includes a mechanical apparatus, a load ratio detection circuit, and an integration control circuit. The mechanical apparatus includes a motor which is configured to drive the mechanical apparatus. The load ratio detection circuit is configured to detect a load ratio of the motor. The integration control circuit is configured to control the mechanical apparatus based on an operation parameter while keeping the load ratio in an allowable load state.Type: ApplicationFiled: May 19, 2020Publication date: September 3, 2020Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Takeshi NAGATA, Takaaki SHOGAKI, Yasufumi YOSHIURA, Tadashi OKUBO, Kei KATSUYAMA
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Patent number: 10734926Abstract: A multi-axis motor control system includes a host control apparatus, motors, motor control apparatuses that drives the motors and each includes circuitry that acquires control related information transmitted and received between the host control apparatus and at least one other motor control apparatus, and controls a corresponding motor of the motors based on the control related information, and a communication channel that connects the host control apparatus and the motor control apparatuses in series.Type: GrantFiled: August 25, 2017Date of Patent: August 4, 2020Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Yusuke Oka, Hiroki Inoue, Tadashi Okubo