Patents by Inventor Atsushi ISOMURA
Atsushi ISOMURA 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).
-
Publication number: 20250027661Abstract: To provide an indoor unit that can suppress an increase in pressure loss, and that can reduce ventilation resistance in an air passage. The heat exchanger of the indoor unit includes a first portion and a second portion. In a cross section parallel to an axis of rotation of a centrifugal fan at a point where a distance between an outer edge of the centrifugal fan and an inner edge of the heat exchanger is smallest, an inner edge of the first portion and an inner edge of the second portion are arranged parallel to the axis of rotation, and the inner edge of the first portion is arranged radially outward of the inner edge of the second portion. In the cross section, a horizontal distance L1 is smaller than a horizontal distance L2, and a horizontal distance L3 is greater than a horizontal distance L4.Type: ApplicationFiled: February 8, 2022Publication date: January 23, 2025Inventors: Atsushi KONO, Takuya TERAMOTO, Makoto KURIHARA, Kazuki ISOMURA
-
Publication number: 20240428687Abstract: An information processing device uses a spatiotemporal database in which information about objects on a road is continuously stored in association with time information and space information. The information processing device includes a search unit that searches the spatiotemporal database for information about trajectories of objects in a predetermined area, a prediction unit that predicts future paths of the objects on the basis of the information about the trajectories of the objects, a determination unit that determines whether there is a possibility that objects will collide on the basis of the future paths, and a notification unit that notifies the affected vehicles or the smartphones in a case where there is a possibility of collision.Type: ApplicationFiled: March 29, 2022Publication date: December 26, 2024Inventors: Atsushi ISOMURA, Nobuhiro OKI, Ichibe NAITO, Isoo UENO, Naoko SHIGEMATSU, Vlad DABIJA
-
Publication number: 20240427959Abstract: An acquisition unit (15a) acquires real data. A calculation unit (15b) performs a simulation using a predetermined parameter and calculates a simulation result. A selection unit (15c) compares the simulation result with the real data corresponding to the simulation result, and selects a parameter such that the simulation result is assimilated with the real data, and the calculation unit (15b) performs the simulation using the selected parameter as the predetermined parameter.Type: ApplicationFiled: October 6, 2021Publication date: December 26, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Muneyuki KAWATANI, Kenji KOMIYA, Atsushi ISOMURA, Masaru TAKAGI
-
Publication number: 20240403516Abstract: An acquisition unit acquires a search word indicating a requirement for simulation. A calculation unit calculates, for each of a plurality of simulation layers capable of constituting the simulation, a simulation result in the simulation layer corresponding to each of patterns of two or more predetermined parameters and a difference between the simulation results. A selection unit selects a predetermined number of the simulation layers in descending order of a maximum value among differences between the simulation results in each simulation layer.Type: ApplicationFiled: October 5, 2021Publication date: December 5, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Atsushi ISOMURA, Yasuhiro IIDA, Kazuhiro YOSHIDA
-
Patent number: 12158356Abstract: A management device includes processing circuitry configured to receive a plurality of inputs of road map data, refer to the road map data and generate a first polygon representing a lane region, generate, for a spatial mesh divided into a predetermined size, a second polygon representing a spatial index, and determine in which spatial mesh of a plurality of spatial meshes the first polygon exists, and in accordance with a result of the determination, and store data on the first polygon and data on the second polygon in a road coordinate database in association with each other.Type: GrantFiled: March 5, 2020Date of Patent: December 3, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Atsushi Isomura, Kazuhiro Miyahara, Ichibe Naito
-
Patent number: 12140448Abstract: A generation device includes processing circuitry configured to receive a plurality of inputs of road map data including longitude/latitude data on a road shoulder line and longitude/latitude data on a lane marker, and refer to the road map data, set a region surrounded by the road shoulder line to be a non-road region, and generate a first polygon indicating a lane region using data on two adjacent non-road regions and on a plurality of lane markers positioned between the two non-road regions.Type: GrantFiled: March 5, 2020Date of Patent: November 12, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Atsushi Isomura, Kazuhiro Miyahara, Ichibe Naito
-
Patent number: 12118744Abstract: A preprocessing device includes processing circuitry configured to acquire coordinate information of respective vertexes of a polygon for inside/outside determination and reduce the vertexes of the polygon for inside/outside determination as preprocessing of determination processing of determining whether a coordinate to be determined exists inside or outside the polygon for inside/outside determination, and output the coordinate information of the respective vertexes of the polygon after the vertexes are reduced, to a device which performs the determination processing.Type: GrantFiled: September 12, 2019Date of Patent: October 15, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kazuhiro Miyahara, Tatsuro Kimura, Ichibe Naito, Atsushi Isomura, Tomoya Ikeda
-
Patent number: 12098933Abstract: A generation device includes processing circuitry configured to receive a plurality of inputs of road map data including longitude/latitude data on lane information indicating a center line of a lane, longitude/latitude data on a road shoulder line, and longitude/latitude data on a lane marker, and refer to the road map data and generate a first polygon indicating a region of a lane based on a plurality of intersections on the lane marker or the road shoulder line crossed by a vertical line from the lane information.Type: GrantFiled: March 5, 2020Date of Patent: September 24, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Atsushi Isomura, Kazuhiro Miyahara, Ichibe Naito
-
Publication number: 20240280370Abstract: The acquisition unit acquires a plurality of predetermined points in a target area and a predetermined probability distribution regarding the plurality of points. The definition unit defines, with a predetermined probability distribution, a plurality of routes each having each of a plurality of predetermined points in the target area as a departure place or a destination.Type: ApplicationFiled: June 11, 2021Publication date: August 22, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masaru TAKAGI, Kenji KOMIYA, Atsushi ISOMURA
-
Publication number: 20240271947Abstract: The acquisition unit acquires a departure place or a destination outside a target area. The estimation unit estimates a route extending from the acquired departure place or destination through the target area. The replacement unit replaces the acquired departure place or destination with an end point of the target area on the estimated route.Type: ApplicationFiled: June 11, 2021Publication date: August 15, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Masaru TAKAGI, Kenji KOMIYA, Atsushi ISOMURA
-
Patent number: 12013828Abstract: An information management apparatus which manages space-time data including time data and positional data and corresponding data that corresponds to the space-time data. The apparatus includes first composite index converting circuitry which converts a first index that corresponds to a forward bit string of a bit string having been converted from space-time data of information being a storage object, the space-time data having a first data configuration into a first composite index. Further, there is a memory which stores corresponding data of the information being a storage object as a value in a space-time database using the first composite index as a key.Type: GrantFiled: March 19, 2020Date of Patent: June 18, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kazuhiro Miyahara, Atsushi Isomura, Ichibe Naito
-
Publication number: 20240184809Abstract: A reverse geocoding device includes a database that stores polygons and meshes in association with each other, and a search unit. The search unit inputs position information and search accuracy, and converts the position information into a mesh having a size depending on the search accuracy. The search unit searches the database for a polygon associated with the obtained mesh, identifies a polygon corresponding to the position information from among polygons obtained by search, and returns information given to the polygon.Type: ApplicationFiled: March 30, 2021Publication date: June 6, 2024Inventors: Atsushi ISOMURA, Isoo UENO, Naoko SHIGEMATSU, Nobuhiro OKI, Ichibe NAITO
-
Patent number: 11954812Abstract: A preprocessing device includes processing circuitry configured to acquire coordinate information of respective vertexes of a polygon for inside/outside determination and the coordinate information of the respective vertexes of the polygon for inside/outside determination and rotate a coordinate to be determined and the polygon for inside/outside determination as preprocessing of determination processing of determining whether the coordinate to be determined exists inside or outside the polygon for inside/outside determination, and output coordinate information of respective vertexes of the rotated polygon for inside/outside determination and the rotated coordinate to be determined as rotated coordinate information.Type: GrantFiled: September 12, 2019Date of Patent: April 9, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kazuhiro Miyahara, Tatsuro Kimura, Ichibe Naito, Atsushi Isomura, Tomoya Ikeda
-
Patent number: 11900802Abstract: A counting device includes processing circuitry configured to store rectangular area definition information indicating positions and sizes of rectangular areas obtained by dividing an area where a number of mobile devices is counted, count the number of mobile devices present in each of the rectangular areas indicated in the rectangular area definition information, every predetermined time, based on position information of each of the mobile devices, and when it is determined based on a counting result of the number of mobile devices present in each of the rectangular areas that there are rectangular areas where the number of mobile devices is smaller than a first threshold, integrate the rectangular areas to generate a new rectangular area, when it is determined based on the counting result that there is a rectangular area where the number of mobile devices exceeds a second threshold, divide the rectangular area to generate new rectangular areas.Type: GrantFiled: March 6, 2020Date of Patent: February 13, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Ichibe Naito, Nobuhiro Oki, Naoko Shigematsu, Isoo Ueno, Atsushi Isomura
-
Patent number: 11892994Abstract: An information management method executed by an information management apparatus that manages a space-time database which uses, as a key, a forward bit string of a bit string converted from space-time data including time data and positional data and which stores, as a value, corresponding data that corresponds to the space-time data, includes converting a range criterion of space-time data being a search object into a bit string, converting, when an index pattern of a first index that corresponds to a forward bit string of a bit string converted and an index pattern of a second index that corresponds to the key stored in the space-time database differ from each other, the first index into a third index of a same index pattern as the index pattern of the second index, and searching for the key using the third index and outputting, as a search result, corresponding data.Type: GrantFiled: March 19, 2020Date of Patent: February 6, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kazuhiro Miyahara, Atsushi Isomura, Ichibe Naito
-
Publication number: 20230160719Abstract: A management device includes processing circuitry configured to receive a plurality of inputs of road map data, refer to the road map data and generate a first polygon representing a lane region, generate, for a spatial mesh divided into a predetermined size, a second polygon representing a spatial index, and determine in which spatial mesh of a plurality of spatial meshes the first polygon exists, and in accordance with a result of the determination, and store data on the first polygon and data on the second polygon in a road coordinate database in association with each other.Type: ApplicationFiled: March 5, 2020Publication date: May 25, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Atsushi ISOMURA, Kazuhiro MIYAHARA, Ichibe NAITO
-
Publication number: 20230114514Abstract: An information management method executed by an information management apparatus that manages a space-time database which uses, as a key, a forward bit string of a bit string converted from space-time data including time data and positional data and which stores, as a value, corresponding data that corresponds to the space-time data, includes converting a range criterion of space-time data being a search object into a bit string, converting, when an index pattern of a first index that corresponds to a forward bit string of a bit string converted and an index pattern of a second index that corresponds to the key stored in the space-time database differ from each other, the first index into a third index of a same index pattern as the index pattern of the second index, and searching for the key using the third index and outputting, as a search result, corresponding data.Type: ApplicationFiled: March 19, 2020Publication date: April 13, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kazuhiro MIYAHARA, Atsushi ISOMURA, Ichibe NAITO
-
Publication number: 20230088390Abstract: A generation device includes processing circuitry configured to receive a plurality of inputs of road map data including longitude/latitude data on lane information indicating a center line of a lane, longitude/latitude data on a road shoulder line, and longitude/latitude data on a lane marker, and refer to the road map data and generate a first polygon indicating a region of a lane based on a plurality of intersections on the lane marker or the road shoulder line crossed by a vertical line from the lane information.Type: ApplicationFiled: March 5, 2020Publication date: March 23, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Atsushi ISOMURA, Kazuhiro MIYAHARA, Ichibe NAITO
-
Publication number: 20230090067Abstract: A generation device includes processing circuitry configured to receive a plurality of inputs of road map data including longitude/latitude data on a road shoulder line and longitude/latitude data on a lane marker, and refer to the road map data, set a region surrounded by the road shoulder line to be a non-road region, and generate a first polygon indicating a lane region using data on two adjacent non-road regions and on a plurality of lane markers positioned between the two non-road regions.Type: ApplicationFiled: March 5, 2020Publication date: March 23, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Atsushi ISOMURA, Kazuhiro MIYAHARA, Ichibe NAITO
-
Publication number: 20230064789Abstract: An information management apparatus which manages space-time data including time data and positional data and corresponding data that corresponds to the space-time data. The apparatus includes first composite index converting circuitry which converts a first index that corresponds to a forward bit string of a bit string having been converted from space-time data of information being a storage object, the space-time data having a first data configuration into a first composite index. Further, there is a memory which stores corresponding data of the information being a storage object as a value in a space-time database using the first composite index as a key.Type: ApplicationFiled: March 19, 2020Publication date: March 2, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Kazuhiro MIYAHARA, Atsushi ISOMURA, Ichibe NAITO