Patents by Inventor Kentaro Daikoku
Kentaro Daikoku 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: 20230160718Abstract: A technique is provided with which it is possible to appropriately reduce communication data volume. A central apparatus communicates with a mobile terminal that is movable with a mobile body. The mobile terminal includes extraction-information generation means that generates extraction information by extraction from measurement information. The central apparatus includes map-information generation means that generates map information based on the extraction information transmitted from the mobile terminal to the central apparatus, and map generation control means that evaluates completeness of the map information generated by the map-information generation means and generates command information based on the completeness.Type: ApplicationFiled: July 14, 2020Publication date: May 25, 2023Applicant: Mitsubishi Electric CorporationInventors: Yoshiaki ADACHI, Kentaro DAIKOKU, Yuji IGARASHI
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Publication number: 20230075672Abstract: A travel road determination apparatus includes a vehicle position acquisition unit and a travel road determination unit. The vehicle position acquisition unit acquires position information of a vehicle. In first determination processing, the travel road determination unit determines whether or not the vehicle that is determined to be traveling on a first-type road based on first position information of the vehicle has started traveling on a second-type road, based on second position information of the vehicle and first map data. In second determination processing, the travel road determination unit determines whether or not the vehicle that is determined to be traveling on the second-type road based on third position information of the vehicle has started traveling on the first-type road, based on fourth position information of the vehicle and the second map data.Type: ApplicationFiled: March 18, 2020Publication date: March 9, 2023Applicant: Mitsubishi Electric CorporationInventors: Masatoshi FUJII, Mitsuo SHIMOTANI, Kentaro DAIKOKU, Keisuke INOUE
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Publication number: 20230049449Abstract: According to the present disclosure, a map matching apparatus includes a map information acquisition unit configured to acquire map information expressed by a plurality of links, a movement information acquisition unit configured to acquire movement information of a moving body on a predetermined route, and a matching unit configured to specify a link string, which is a string of the links corresponding to the route, based on the map information and the movement information, in which the matching unit is configured to generate a physical network, which is a road network, based on the connection relationship and the map information, generate a hierarchical logical network in which the physical network is duplicated in a plurality of layers and configured in a hierarchical manner, and specify the link string indicating a minimized cost in the hierarchical logical network.Type: ApplicationFiled: March 24, 2020Publication date: February 16, 2023Applicant: Mitsubishi Electric CorporationInventors: Kentaro DAIKOKU, Yuko OHTA
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Patent number: 11193782Abstract: A vehicle position estimation apparatus according to the present invention includes a painted line recognition result processing unit configured to calculate whether the vehicle has made a lane change and a direction of the lane change when the vehicle has made the lane change, a vehicle lateral position calculating unit configured to calculate a lane where the vehicle is in travel and a vehicle lateral position that is a lateral position of the vehicle in the lane based on whether the vehicle has made the lane change, the direction of the lane change, and a lane connection relation, and an on-map vehicle position calculating unit configured to calculate an on-map position of the vehicle on the road based on a map information, the lane where the vehicle is in travel, the vehicle lateral position, and a forward travel distance.Type: GrantFiled: December 18, 2017Date of Patent: December 7, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Kentaro Daikoku, Yuji Igarashi, Masahiko Ikawa, Masatoshi Fujii, Takashi Irie
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Patent number: 10883836Abstract: A travel-lane estimation system includes: a GNSS receiver; a vehicle-speed calculator; an angular-velocity measurement mechanism; a subject-vehicle-position positioner calculating a vehicle's reference coordinate and reference orientation from a GNSS coordinate, and calculating time series data of vehicle's positions; a map information storage storing positional information about a division line of each lane; and a lane estimator calculating, as an optimal correction amount, an error pattern having a highest posterior probability among plural error patterns, correcting the time series data using the optimal correction amount, and comparing the corrected time series data with the division line, to estimate a vehicle's travel lane, the posterior probability calculated with the product of prior occurrence probability of the time series data by the plural error patterns and a likelihood calculated, under condition that the error pattern has occurred, based on a relative positional relationship between the correctType: GrantFiled: July 5, 2016Date of Patent: January 5, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Kentaro Daikoku, Yuji Igarashi, Masahiko Ikawa, Masatoshi Fujii, Takashi Irie
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Publication number: 20200240806Abstract: A vehicle position estimation apparatus according to the present invention includes a painted line recognition result processing unit configured to calculate whether the vehicle has made a lane change and a direction of the lane change when the vehicle has made the lane change, a vehicle lateral position calculating unit configured to calculate a lane where the vehicle is in travel and a vehicle lateral position that is a lateral position of the vehicle in the lane based on whether the vehicle has made the lane change, the direction of the lane change, and a lane connection relation, and an on-map vehicle position calculating unit configured to calculate an on-map position of the vehicle on the road based on a map information, the lane where the vehicle is in travel, the vehicle lateral position, and a forward travel distance.Type: ApplicationFiled: December 18, 2017Publication date: July 30, 2020Applicant: Mitsubishi Electric CorporationInventors: Kentaro DAIKOKU, Yuji IGARASHI, Masahiko IKAWA, Masatoshi FUJII, Takashi IRIE
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Publication number: 20190120632Abstract: A travel-lane estimation system includes: a GNSS receiver; a vehicle-speed calculator; an angular-velocity measurement mechanism; a subject-vehicle-position positioner calculating a vehicle's reference coordinate and reference orientation from a GNSS coordinate, and calculating time series data of vehicle's positions; a map information storage storing positional information about a division line of each lane; and a lane estimator calculating, as an optimal correction amount, an error pattern having a highest posterior probability among plural error patterns, correcting the time series data using the optimal correction amount, and comparing the corrected time series data with the division line, to estimate a vehicle's travel lane, the posterior probability calculated with the product of prior occurrence probability of the time series data by the plural error patterns and a likelihood calculated, under condition that the error pattern has occurred, based on a relative positional relationship between the correctType: ApplicationFiled: July 5, 2016Publication date: April 25, 2019Applicant: Mitsubishi Electric CorporationInventors: Kentaro Daikoku, Yuji Igarashi, Masahiko Ikawa, Masatoshi Fujii, Takashi Irie
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Patent number: 10168702Abstract: Travelling corresponding to characteristics of autonomous driving can be performed. An autonomous driving control device 3 mounted on a vehicle and controlling autonomous driving, includes a storage unit 32 that stores map data 32a, a route extraction unit 311 that extracts a plurality of routes from an origin O to a destination D based on the map data 32a, a determination unit 312 that determines whether or not to change to another route in response to a situation of an intersection when the vehicle approaches the intersection while the vehicle is traveling in one route of the routes extracted by the route extraction unit 311, and an autonomous driving control unit 313 that controls autonomous driving based on the determination of the determination unit 312.Type: GrantFiled: August 19, 2015Date of Patent: January 1, 2019Assignee: CLARION CO., LTD.Inventors: Ryohei Kato, Jun Li, Kentaro Daikoku, Takaaki Shiina, Hiroaki Senoo, Shinichi Amaya
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Publication number: 20170176993Abstract: Travelling corresponding to characteristics of autonomous driving can be performed. An autonomous driving control device 3 mounted on a vehicle and controlling autonomous driving, includes a storage unit 32 that stores map data 32a, a route extraction unit 311 that extracts a plurality of routes from an origin O to a destination D based on the map data 32a, a determination unit 312 that determines whether or not to change to another route in response to a situation of an intersection when the vehicle approaches the intersection while the vehicle is traveling in one route of the routes extracted by the route extraction unit 311, and an autonomous driving control unit 313 that controls autonomous driving based on the determination of the determination unit 312.Type: ApplicationFiled: August 19, 2015Publication date: June 22, 2017Applicant: CLARION CO., LTD.Inventors: Ryohei KATO, Jun LI, Kentaro DAIKOKU, Takaaki SHIINA, Hiroaki SENOO, Shinichi AMAYA
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Patent number: 9534920Abstract: An information processing cooperation system, comprising: a first information processing terminal mounted on a vehicle; a second information processing terminal having a plurality of types of applications, wherein the first information processing terminal comprises: a condition determination unit configured to determine current conditions of at least one of the vehicle and a user riding on the vehicle; and an activation control unit configured to transmit, depending on the current conditions determined by the condition determination unit, an activation request for activating at least one of the plurality of types of applications to the second information processing terminal, wherein the second information processing terminal comprises: an application activation unit configured to activate an application corresponding to the activation request received from the activation control unit; and an application execution unit configured to execute the activated application in cooperation with the first information prType: GrantFiled: September 29, 2014Date of Patent: January 3, 2017Assignee: CLARION CO., LTD.Inventors: Ryohei Kato, Takaaki Shiina, Kentaro Daikoku, Jun Li, Shinichi Amaya
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Publication number: 20150094949Abstract: An information processing cooperation system, comprising: a first information processing terminal mounted on a vehicle; a second information processing terminal having a plurality of types of applications, wherein the first information processing terminal comprises: a condition determination unit configured to determine current conditions of at least one of the vehicle and a user riding on the vehicle; and an activation control unit configured to transmit, depending on the current conditions determined by the condition determination unit, an activation request for activating at least one of the plurality of types of applications to the second information processing terminal, wherein the second information processing terminal comprises: an application activation unit configured to activate an application corresponding to the activation request received from the activation control unit; and an application execution unit configured to execute the activated application in cooperation with the first information prType: ApplicationFiled: September 29, 2014Publication date: April 2, 2015Inventors: Ryohei KATO, Takaaki SHIINA, Kentaro DAIKOKU, Jun LI, Shinichi AMAYA
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Patent number: 8965694Abstract: A route search method includes: a step in which the computer generates a first network by, for each of nodes and each of links, generating a plurality of duplicates thereof; a step in which the computer generates a second network by adding first additional links to the first network; and a step in which the computer searches for a route from a duplicate of a node corresponding to the departure point to a duplicate of a node corresponding to the destination point, using the second network. The first additional links are links for which predetermined non negative link costs are set, and in each of which a node of an end point of a duplicate of each of the links is changed to a node of an end point of another duplicate of the each of the links.Type: GrantFiled: October 17, 2012Date of Patent: February 24, 2015Assignee: Clarion Co., Ltd.Inventor: Kentaro Daikoku
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Publication number: 20140278103Abstract: A route search method includes: a step in which the computer generates a first network by, for each of nodes and each of links, generating a plurality of duplicates thereof; a step in which the computer generates a second network by adding first additional links to the first network; and a step in which the computer searches for a route from a duplicate of a node corresponding to the departure point to a duplicate of a node corresponding to the destination point, using the second network. The first additional links are links for which predetermined non negative link costs are set, and in each of which a node of an end point of a duplicate of each of the links is changed to a node of an end point of another duplicate of the each of the links.Type: ApplicationFiled: October 17, 2012Publication date: September 18, 2014Applicant: Clarion Co., LtdInventor: Kentaro Daikoku