Patents by Inventor Yasuhiro Takagi
Yasuhiro Takagi 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: 20240126015Abstract: This optical coupler for coupling a plurality of visible light beams having different wavelengths includes: a substrate made of a material different from lithium niobate; and an optical coupling function layer formed on a main surface of the substrate. The optical coupling function layer includes: two multimode-interference-type optical coupling parts; optical-input-side waveguides and an optical-output-side waveguide connected to one multimode-interference-type optical coupling part, and optical-input-side waveguides and an optical-output-side waveguide connected to the other multimode-interference-type optical coupling part. The multimode-interference-type optical coupling parts, the optical-input-side waveguides, and the optical-output-side waveguides are made of a lithium niobate film.Type: ApplicationFiled: October 6, 2023Publication date: April 18, 2024Applicant: TDK CORPORATIONInventors: Hajime UTSUNOMIYA, Yasuhiro TAKAGI, Hiroki HARA, Atsushi SHIMURA, Jiro YOSHINARI, Takashi KIKUKAWA, Tsuyoshi KOMAKI, Hideaki FUKUZAWA
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Publication number: 20240110533Abstract: An engine malfunction determination system includes a vehicle engine, an engine sensor system, an engine control module and an electronic display device. The engine sensor system has at least one sensor configured to detect an operation condition of the vehicle engine. The engine control module is in electrical communication with the sensor system to receive a detection signal from the engine sensor system regarding the operation condition of the vehicle engine. The engine control module is programmed to determine an anomaly in the detection signal. The electronic display device is programmed to display an indication of engine malfunction when the engine control module determines that the anomaly in the detection signal exceeds a predetermined threshold.Type: ApplicationFiled: September 30, 2022Publication date: April 4, 2024Applicant: NISSAN MOTOR CO., LTDInventors: Vikram KRISHNAMURTHY, Wenying LI, Yasuhiro TANAKA, Toru TAKAGI, Shota YAMAZAKI
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Patent number: 11940114Abstract: An optical device includes: a light guide plate having a group of optical-path deflectors configured to change the optical path of light from a first light source to form an image in the space within a first angle range, and change the optical path of light from a second light source to form an image in the space within a second angle range, wherein the first angle range and the second angle range are separated from each other or adjoining each other.Type: GrantFiled: January 23, 2019Date of Patent: March 26, 2024Assignee: OMRON CorporationInventors: Yoshihiko Takagi, Masayuki Shinohara, Yasuhiro Tanoue, Gouo Kurata, Norikazu Kitamura
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Patent number: 11898855Abstract: An assistance control system performs assistance control for causing a moving object to move to a destination based on map information. The assistance control system includes an electronic control unit. The electronic control unit is configured to generate or update the map information based on input from a sensor mounted on the moving object, acquire a plurality of route candidates to the destination, evaluate certainty of the map information for each location or each section, and calculate a map information evaluation value, evaluate accuracy of the assistance control in the acquired route candidates based on the calculated map information evaluation value, and present a route candidate having the highest priority among the route candidates to an occupant of the moving object, or control the moving object along the route candidate having the highest priority.Type: GrantFiled: August 31, 2021Date of Patent: February 13, 2024Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Eiji Sakaguchi, Yasuhiro Takagi, Nobuhide Kamata, Taichi Kawanai
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Patent number: 11796344Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.Type: GrantFiled: December 12, 2022Date of Patent: October 24, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Taichi Kawanai, Yasuhiro Takagi, Masahiro Harada, Nobuhide Kamata, Eiji Sakaguchi, Keisuke Hokai, Hideyuki Matsui, Kazuhiko Kamikado, Yusuke Hayashi, Hideo Fukamachi
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Patent number: 11692848Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.Type: GrantFiled: October 29, 2021Date of Patent: July 4, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Taichi Kawanai, Yasuhiro Takagi, Masahiro Harada, Nobuhide Kamata, Eiji Sakaguchi, Keisuke Hokai, Hideyuki Matsui, Kazuhiko Kamikado, Yusuke Hayashi, Hideo Fukamachi
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Patent number: 11680821Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.Type: GrantFiled: December 10, 2021Date of Patent: June 20, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Taichi Kawanai, Yasuhiro Takagi, Masahiro Harada, Nobuhide Kamata, Eiji Sakaguchi, Keisuke Hokai, Hideyuki Matsui, Kazuhiko Kamikado, Yusuke Hayashi, Hideo Fukamachi
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Patent number: 11680820Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.Type: GrantFiled: October 22, 2019Date of Patent: June 20, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Taichi Kawanai, Yasuhiro Takagi, Masahiro Harada, Nobuhide Kamata, Eiji Sakaguchi, Keisuke Hokai, Hideyuki Matsui, Kazuhiko Kamikado, Yusuke Hayashi, Hideo Fukamachi
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Publication number: 20230109416Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.Type: ApplicationFiled: December 12, 2022Publication date: April 6, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Taichi Kawanai, Yasuhiro Takagi, Masahiro Harada, Nobuhide Kamata, Eiji Sakaguchi, Keisuke Hokai, Hideyuki Matsui, Kazuhiko Kamikado, Yusuke Hayashi, Hideo Fukamachi
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Publication number: 20230072771Abstract: The present invention provides an improved method of producing highly pure retinal pigment epithelial (RPE) cells by differentiation of pluripotent stem cells.Type: ApplicationFiled: October 28, 2020Publication date: March 9, 2023Inventors: Yasuhiro Takagi, Meng-jiao Shi, Mi Sook Chang, Irina Klimanskaya
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Patent number: 11409728Abstract: A map information system includes: an in-vehicle device that executes driving support control based on map information; an external device having external map information used for the driving support control; and an update determination device. The in-vehicle device further executes external update processing that updates first map information being the map information of a first area by using first external map information being the external map information of the first area. The update determination device calculates a change degree being a difference between the first map information and the first external map information, for each point or each area in the first area. The external update processing is prohibited with respect to a section in which the change degree is equal to or less than a threshold. The external update processing is permitted with respect to a section in which the change degree exceeds the threshold.Type: GrantFiled: August 5, 2019Date of Patent: August 9, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Eiji Sakaguchi, Yasuhiro Takagi, Keisuke Hokai, Yusuke Hayashi, Taichi Kawanai
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Publication number: 20220097720Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.Type: ApplicationFiled: December 10, 2021Publication date: March 31, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Taichi KAWANAI, Yasuhiro Takagi, Masahiro Harada, Nobuhide Kamata, Eiji Sakaguchi, Keisuke Hokai, Hideyuki Matsui, Kazuhiko Kamikado, Yusuke Hayashi, Hideo Fukamachi
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Patent number: 11286459Abstract: An object of the present invention is to provide an animal cell culture method which is high in protein productivity. Provided is a method for culturing animal cells in a culture medium, wherein the culture medium comprises a nucleic acid component(s) (deoxyuridine, thymidine, and/or deoxycytidine, or a salt(s) thereof). Also provided is a method for producing a protein, the method comprising the step of culturing animal cells expressing the protein in a culture medium, wherein the culture medium comprises a nucleic acid component(s).Type: GrantFiled: May 26, 2016Date of Patent: March 29, 2022Assignee: Astellas Pharma Inc.Inventors: Yasuhiro Takagi, Takuya Kikuchi
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Patent number: 11275378Abstract: A vehicle control system includes a vehicle control apparatus configured to set a target trajectory of a vehicle in autonomous driving, a manual driving database configured to contain manual driving trajectory information that indicates a manual driving trajectory that is a trajectory of the vehicle in manual driving, a weight acquisition device configured to acquire weight information that indicates weights of the target trajectory and manual driving trajectory, the weights being designated by a user of the vehicle, and a trajectory adjusting device configured to determine an integrated target trajectory by integrating the target trajectory and the manual driving trajectory based on the weights indicated by the weight information. The vehicle control apparatus is configured to control the autonomous driving of the vehicle such that the vehicle follows the integrated target trajectory.Type: GrantFiled: July 22, 2019Date of Patent: March 15, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keisuke Hokai, Kazuhiko Kamikado, Taichi Kawanai, Masahiro Harada, Nobuhide Kamata, Yasuhiro Takagi, Hideo Fukamachi, Eiji Sakaguchi, Hideyuki Matsui, Yusuke Hayashi
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Patent number: 11255681Abstract: An assistance control system performs assistance control for causing a moving object to move to a destination based on map information. The assistance control system includes an electronic control unit. The electronic control unit is configured to generate or update the map information based on input from a sensor mounted on the moving object, acquire a plurality of route candidates to the destination, evaluate certainty of the map information for each location or each section, and calculate a map information evaluation value, evaluate accuracy of the assistance control in the acquired route candidates based on the calculated map information evaluation value, and present a route candidate having the highest priority among the route candidates to an occupant of the moving object, or control the moving object along the route candidate having the highest priority.Type: GrantFiled: July 19, 2019Date of Patent: February 22, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Eiji Sakaguchi, Yasuhiro Takagi, Nobuhide Kamata, Taichi Kawanai
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Publication number: 20220048524Abstract: A map information system includes a map database including map information; and a driving assist level determination device. The map information is associated with an evaluation value indicating a certainty of the map information for each location in an absolute coordinate system. Information indicating that the intervention operation is performed is included in driving environment information indicating a driving environment of a vehicle. The driving assist level determination device is configured to acquire, based on the driving environment information, intervention operation information indicating an intervention operation location where the intervention operation is performed, acquire, based on the map information, the evaluation value for each point or section in a target range, and determine, based on the evaluation value and the intervention operation location, an allowable level for each point or section within the target range.Type: ApplicationFiled: October 29, 2021Publication date: February 17, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Taichi KAWANAI, Yasuhiro TAKAGI, Masahiro HARADA, Nobuhide KAMATA, Eiji SAKAGUCHI, Keisuke HOKAI, Hideyuki MATSUI, Kazuhiko KAMIKADO, Yusuke HAYASHI, Hideo FUKAMACHI
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Publication number: 20210396531Abstract: An assistance control system performs assistance control for causing a moving object to move to a destination based on map information. The assistance control system includes an electronic control unit. The electronic control unit is configured to generate or update the map information based on input from a sensor mounted on the moving object, acquire a plurality of route candidates to the destination, evaluate certainty of the map information for each location or each section, and calculate a map information evaluation value, evaluate accuracy of the assistance control in the acquired route candidates based on the calculated map information evaluation value, and present a route candidate having the highest priority among the route candidates to an occupant of the moving object, or control the moving object along the route candidate having the highest priority.Type: ApplicationFiled: August 31, 2021Publication date: December 23, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Eiji SAKAGUCHI, Yasuhiro TAKAGI, Nobuhide KAMATA, Taichi KAWANAI
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Patent number: 11100338Abstract: A data recording device includes at least one sensor configured to detect a surrounding environment of a moving object as detection data, a buffer configured to store the detection data in association with a time point, a tracking unit configured to perform tracking of an object being present around the moving object based on the detection data stored in the buffer, a determination unit configured to determine whether or not the object is lost during the tracking of the object performed by the tracking unit, a period determination unit configured to determine a period during which the object is determined to be lost by the determination unit as a recording period in response to a fact that a predetermined recording condition is satisfied, and a recording unit configured to record the detection data corresponding to the recording period onto a recording medium among the detection data stored in the buffer.Type: GrantFiled: April 18, 2019Date of Patent: August 24, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yusuke Hayashi, Yasuhiro Takagi, Nobuhide Kamata, Ryo Igarashi
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Publication number: 20200295397Abstract: Disclosed herein is a lithium secondary battery that includes an electrode assembly having a weight energy density of 250 Wh/Kg or more, and a heat exhaust layer provided on a surface of the electrode assembly. The electrode assembly has a structure in which a positive electrode and a negative electrode are alternately stacked through a separator. The positive electrode includes a positive electrode current collector and a positive electrode active material layer formed on a surface of the positive electrode current collector. The negative electrode including a negative electrode current collector and a negative electrode active material layer formed on a surface of the negative electrode current collector.Type: ApplicationFiled: March 5, 2020Publication date: September 17, 2020Applicant: TDK CORPORATIONInventors: Satoru HIRAKAWA, Yasuhiro TAKAGI, Tohru INOUE
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Publication number: 20200295348Abstract: Disclosed herein is a negative electrode for non-aqueous electrolyte secondary battery that includes a negative electrode current collector, and a negative electrode active material layer. An area change rate and a thickness change rate of the negative electrode active material layer associated with charging are 0.1% or more and 10% or more, respectively. A triangular region having an intersection between first and second straight lines, a first point existing on the first straight line and being away from the intersection in the first direction toward the first side by a first distance, and a second point exists on the second straight line and being away from the intersection in the second direction toward the second side by a second distance, as vertices are cut away such that the triangular region has neither the negative electrode current collector nor the negative electrode active material layer.Type: ApplicationFiled: March 5, 2020Publication date: September 17, 2020Applicant: TDK CORPORATIONInventors: Yuusuke YAMAGUCHI, Tohru INOUE, Yasuhiro TAKAGI