Patents by Inventor Takahiro Hata
Takahiro Hata 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: 20240379006Abstract: An information processing device includes a travel request acquisition unit that acquires travel request information for requesting travel permission of a specific road by a first vehicle, a number-of-vehicles acquisition unit that acquires a number of traveling vehicles indicating a number of a plurality of second vehicles traveling on the specific road, a determination unit that determines traveling availability on a basis of the number of traveling vehicles and an appropriate number of vehicles indicating an appropriate number of vehicles traveling on the specific road, and a transmission unit that transmits information indicating a determination result of the traveling availability to the first vehicle.Type: ApplicationFiled: September 27, 2021Publication date: November 14, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Aki HAYASHI, Yuki YOKOHATA, Kohei MORI, Takahiro HATA, Kazuaki OBANA
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Publication number: 20240371307Abstract: An acquisition unit (22) acquires a value corresponding to the number of aggregation targets that are present, the number being collected in a predetermined time unit for each region obtained by virtually dividing a real space, a calculation unit (24) calculates each of three different indexes from the acquired value, and a control unit (26) displays, on a display unit, a visualized image in which a pixel value obtained by associating the three indexes calculated with three elements of a color space, respectively, is set as a pixel value indicating the region.Type: ApplicationFiled: June 11, 2021Publication date: November 7, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Aki HAYASHI, Yuki YOKOHATA, Takahiro HATA, Kazuaki OBANA
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Publication number: 20240331422Abstract: A recognition device acquires a time-series image acquired in an environment in which a vehicle travels, detects characters of a predetermined character string from the image, and evaluates relationship between detected characters of the character string and recognizes a shape of a target including the character string.Type: ApplicationFiled: July 29, 2021Publication date: October 3, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kohei MORI, Yuki YOKOHATA, Aki HAYASHI, Takahiro HATA, Kazuaki OBANA
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Publication number: 20240281992Abstract: In a dimension estimation device, an image acquired in a moving body is acquired, and a vanishing point and a predetermined decision line in the image are calculated. An object in the image is detected and a detection rectangle is detected for the object, the detection rectangle being a rectangle including a first surface that is a surface close to a photographing position, the first surface being in proximity to the decision line, and a second surface that is a surface far from the photographing position. A dimension of the object is estimated on the basis of a ratio between a height of the first surface and a height of the second surface obtainable from a relationship between the detection rectangle and the vanishing point.Type: ApplicationFiled: July 29, 2021Publication date: August 22, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kohei MORI, Yuki YOKOHATA, Aki HAYASHI, Takahiro HATA, Kazuaki OBANA
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Publication number: 20240273921Abstract: A recognition device that detects a boundary of a roadway by use of time-series images captured by a camera mounted on a vehicle, the recognition device including: an acquisition unit that acquires the time-series images; and a detection unit that classifies areas in the acquired time-series images into a roadway, which is an area having a small change amount, and a portion other than the roadway, which is an area having a large change amount, according to magnitude of the change amounts, and detects a boundary between the area having the small change amount and the area having the large change amount as a boundary of the roadway.Type: ApplicationFiled: June 8, 2021Publication date: August 15, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kohei MORI, Kazuaki OBANA, Takahiro HATA, Yuki YOKOHATA, Aki HAYASHI
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Patent number: 12055628Abstract: A technique of estimating, based on a camera image captured from a mobile object, the position coordinates of an ambient object or the mobile object itself is offered. A plurality of camera images that are captured at different geographical locations and contain at least one identical stationary object are acquired; position coordinates of the imaging locations of the corresponding camera images are acquired; and the position coordinates of the stationary object are estimated based on the position coordinates of the imaging locations and gaze vectors oriented from a camera to the stationary object in each of the camera images.Type: GrantFiled: August 7, 2019Date of Patent: August 6, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Manabu Yoshida, Yuki Yokohata, Kouhei Mori, Atsuhiko Maeda, Takahiro Hata, Ippei Shake
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Patent number: 12051279Abstract: A lane pricing technique for charging a mobile body traveling on a road for use of a lane is provided. A lane pricing device according to one embodiment is configured to: acquire from a mobile body traveling on a road, at least one of position information of a mobile body measured based on a positioning signal, and/or a camera image that is acquired by capturing an image from the mobile body and includes a part of a lane in which the mobile body is moving; specify, based on at least one of the position information and/or the camera image, a lane in which the mobile body is moving; acquire lane identification information for identifying a specified lane along with time information indicative of time when the mobile body is moving; and determine and output a toll to be charged to the mobile body in units of lanes based on the lane identification information and the time information.Type: GrantFiled: August 7, 2019Date of Patent: July 30, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Manabu Yoshida, Yuki Yokohata, Kouhei Mori, Takahiro Hata, Atsuhiko Maeda, Ippei Shake, Satoshi Fukada
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Publication number: 20240250209Abstract: A nitride semiconductor light-emitting element includes: an n-side semiconductor layer; one or more light-emitting layers disposed above the n-side semiconductor layer; a first barrier layer disposed above the one or more light-emitting layers and including Al; a second barrier layer disposed above the first barrier layer and including Al; a p-side guiding layer disposed above the second barrier layer and having an Al composition ratio smaller than an Al composition ratio of the second barrier layer; an electron blocking layer disposed above the p-side guiding layer, including Mg, and having an Al composition ratio larger than the Al composition ratio of the second barrier layer; and a p-side semiconductor layer disposed above the electron blocking layer.Type: ApplicationFiled: February 21, 2024Publication date: July 25, 2024Inventors: Yasutoshi KAWAGUCHI, Shinji YOSHIDA, Takahiro OKAGUCHI, Shuichi NAKAZAWA, Shigeo HAYASHI, Masayuki HATA
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Publication number: 20240242360Abstract: An image acquisition unit 20 acquires a group of time-series images captured by a camera mounted at the observation vehicle. A speed difference estimation unit 24 estimates a speed difference between the target object and the observation vehicle by using a time-series change in a region representing the target object captured in the group of time-series images. The determination unit 28 determines whether the target object or the observation vehicle is in a dangerous state based on the speed difference.Type: ApplicationFiled: May 17, 2021Publication date: July 18, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kohei MORI, Kazuaki OBANA, Takahiro HATA, Yuki YOKOHATA, Aki HAYASHI
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Publication number: 20230410644Abstract: A traffic congestion determination device includes an acquisition unit configured to acquire a total number of automobiles for each mesh obtained by virtually dividing a determination target region of traffic congestion and for each unit time, and a determination unit configured to determine whether occurrence of traffic congestion is sudden for each of the meshes based on the acquired total number of automobiles for each of the meshes and unit time.Type: ApplicationFiled: November 17, 2020Publication date: December 21, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Aki HAYASHI, Yuki YOKOHATA, Takahiro HATA, Kohei MORI, Kazuaki OBANA
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Patent number: 11837084Abstract: The traffic flow estimation apparatus acquires images and position information and speed information, the images being captured at different timings by a first moving object that is in motion in a target area and including a second moving object around the first moving object, the position information and speed information being of the first moving object at the timings; estimates a lane in which the second moving object is in motion; and estimates a traffic flow for each lane in the target area based on the speed information of the first moving object, the information indicative of a change over time of positions of the second moving object, and the lanes in which the first moving object and the second moving object are in motion.Type: GrantFiled: May 13, 2019Date of Patent: December 5, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Manabu Yoshida, Yuki Yokohata, Kohei Mori, Takahiro Hata, Ippei Shake
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Patent number: 11808473Abstract: Provided is a highly reliable technology for optimizing an action for controlling an environment in a target space.Type: GrantFiled: July 16, 2019Date of Patent: November 7, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Nobuhiko Matsuura, Midori Kodama, Takahiro Hata, Motonori Nakamura, Ippei Shake
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Publication number: 20230332921Abstract: An estimation method includes acquiring sensor information acquired by a sensor mounted on a first vehicle belonging to a vehicle line, acquiring position information on a location of the first vehicle, and estimating a cause of the vehicle line by using the sensor information and the position information. The estimating of the cause includes estimating the cause by using information on a facility or a feature present near the first vehicle, information indicating a state of the first vehicle, information on an object present ahead of the first vehicle included in the sensor information, or information on a road that affects traveling. The information on the facility or the feature is searched based on the position information, the information on the object is estimated based on the sensor information, and the information on the road is searched based on the position information.Type: ApplicationFiled: September 28, 2020Publication date: October 19, 2023Inventors: Kohei MORI, Kazuaki OBANA, Takahiro HATA, Yuki YOKOHATA, Aki HAYASHI
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Publication number: 20230236038Abstract: A position estimation unit 25 estimates, for each movement in a predetermined section, a plurality of position candidates of a position estimation target on the basis of position information and sensor information. A position determination unit 26 evaluates, for each movement in the predetermined section, on the basis of the plurality of position candidates of the position estimation target obtained by the movement in the predetermined section, whether the position information used to estimate the position candidates has an error caused by any of a position of a GPS satellite, a position of a mobile body in a real space, or the mobile body or does not have any error caused thereby.Type: ApplicationFiled: June 11, 2020Publication date: July 27, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Aki HAYASHI, Yuki YOKOHATA, Takahiro HATA, Kohei MORI, Kazuaki OBANA
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Publication number: 20230154312Abstract: A state estimation method executed by a state estimation apparatus including a processor and a memory storing program instructions that cause the processor to estimate a state related to congestion on a subject lane, includes acquiring a state related to congestion of a monitoring vehicle traveling on a non-subject lane, counting a number of vehicles traveling on the subject lane, the vehicles being overtaken by the monitoring vehicle or being oncoming vehicles passed by the monitoring vehicle, and estimating the state related to the congestion on the subject lane, using the state related to the congestion of the monitoring vehicle and the number of vehicles. In the estimating, when the number of the vehicles is equal to or greater than a threshold value according to the state related to the congestion of the monitoring vehicle, the state related to the congestion on the subject lane is estimated as traffic congestion.Type: ApplicationFiled: April 21, 2020Publication date: May 18, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kohei MORI, Takahiro HATA, Yuki YOKOHATA, Aki HAYASHI, Kazuaki OBANA
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Patent number: 11625603Abstract: A learning-type signal separation method performed using a model formulation unit, which performs learning processing based on a training-use signal including a specific component, and a training-use signal not including the specific component, the training-use signals including a common characteristic. The learning-type signal separation method includes: generating learned data by causing the model formulation unit to perform learning processing based on the training-use signal and information indicating whether or not the specific component is included in the training-use signal, to generate a data series signal in which the specific component has been separated and removed from a data series of the training-use signal; acquiring an arbitrary signal including the common characteristic; and generating, based on the acquired arbitrary signal and the generated learned data, a data series signal in which the specific component has been separated and removed from a data series of the arbitrary signal.Type: GrantFiled: April 23, 2018Date of Patent: April 11, 2023Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Hisashi Kurasawa, Takayuki Ogasawara, Masumi Yamaguchi, Shingo Tsukada, Hiroshi Nakashima, Takahiro Hata, Nobuhiko Matsuura
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Publication number: 20230085455Abstract: A vehicle condition estimation method performed by an information processing device including a processor and a memory connected to the processor to estimate a position or a condition of a vehicle, includes: acquiring an image including a vehicle to be estimated; and estimating the position or the condition of the vehicle to be estimated, using a line segment connecting at least two points selected from a region in which the vehicle to be estimated is captured in the image, with reference to an imaging device that has captured the image.Type: ApplicationFiled: February 20, 2020Publication date: March 16, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kohei MORI, Takahiro HATA, Yuki YOKOHATA, Kazuaki OBANA
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Publication number: 20230030127Abstract: A people flow prediction device includes a training data selection unit configured to select, in accordance with a prediction condition including a target prediction period subject to prediction, training data related to people flow data of a plurality of dates and times corresponding to the target prediction period, a prediction model creation unit configured to train, in accordance with the training data being selected, and store, in a model storage unit, a prediction model having a predetermined feature and for predicting people flow data of a predetermined date and time, and a prediction unit configured to select the prediction model from the model storage unit in accordance with the prediction condition and a permission condition related to a feature of the prediction model, and to predict people flow data under the prediction condition in accordance with the prediction model being selected.Type: ApplicationFiled: December 25, 2019Publication date: February 2, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Keisuke TSUNODA, Takahiro HATA, Motonori NAKAMURA, Kazuaki OBANA
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Publication number: 20220391715Abstract: Sufficient data extension can be achieved even if the starting date/time and ending date/time of the learning execution data have been uniquely defined. Based on entire learning data that is a set of time-series data, wherein the entire learning data is a set of minimum constitution unit data, each of which is time-series data having a first time interval that is a time interval required for learning, wherein the time-series data having the first time interval is each assigned a first label that indicates a feature in a time series of the first interval; a generation unit (103) generates learning execution data that is a set of time-series data to be used in learning, by combining the minimum constitution unit data included in the entire learning data such that regularity of the first label in a time series of the entire learning data is maintained.Type: ApplicationFiled: October 25, 2019Publication date: December 8, 2022Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Takahiro HATA, Keisuke TSUNODA, Nobuhiko MATSUURA, Sotaro MAEJIMA
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Publication number: 20220242157Abstract: The invention provides a waterless offset lithographic printing plate precursor that is mountable on a magnet type printing cylinder and has high durability and halftone dot reproducibility. The waterless offset lithographic printing plate precursor contains at least a heat-sensitive layer and a silicone rubber layer disposed on a substrate, the substrate being of a ferromagnet material.Type: ApplicationFiled: June 18, 2020Publication date: August 4, 2022Applicant: TORAY INDUSTRIES, INC.Inventors: Michihiko ICHIKAWA, Yoshihiko KUBO, Akihiro TSUJI, Takahiro HATA