Patents by Inventor Keisuke Shirai
Keisuke Shirai 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: 20230315900Abstract: An information processing system includes first and second computers and first and second bases. The first computer stores, as personal information of a user of a terminal, personal management information including an ID and contact detail of the user, generates personal time-series information with personal information and time added and generates processed time-series information by performing concealment on the personal information in the personal time-series information.Type: ApplicationFiled: August 19, 2021Publication date: October 5, 2023Inventors: Hiroaki KONOURA, Masafumi KINOSHITA, Keisuke SHIRAI
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Publication number: 20210390197Abstract: A computer system that processes data among a plurality of sites each including a computer having a processor and a memory. The computer includes an application for performing predetermined processing on data, an execution manager for managing execution of the application, and data transfer policies specifying whether data of a processing result of the application is allowed to be transmitted to the external. The execution manager generates information on data used by the application being executed as information on data to be transmitted and applies the data transfer policies to the data in the information on data to be transmitted to determine whether the data to be transmitted can be transmitted to the outside of the site.Type: ApplicationFiled: March 17, 2020Publication date: December 16, 2021Inventors: Hiroaki KONOURA, Mayuko TAKAI, Yu NAKATA, Masafumi KINOSITA, Keisuke SHIRAI
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Publication number: 20180233994Abstract: In order to prevent charging of a shaft of a rotor, the rotor of the rotating electric machine includes a slip ring device composed of: a pair of slip rings; a pair of connection conductors electrically connecting the respective slip rings and a rotor coil; and an insulation molded body holding the slip rings and the connection conductors. In the insulation molded body of the slip ring device, the pair of slip rings and the pair of connection conductors are embedded and held such that the brush sliding surfaces of the slip rings and the lead-out-wire-connection end portions of the connection conductors are exposed in the outer circumferential direction, and at least one of the negative-side slip ring and the negative-side connection conductor embedded and held in the insulation molded body has a protrusion extending toward the shaft and electrically connected to the shaft.Type: ApplicationFiled: December 21, 2014Publication date: August 16, 2018Applicant: Mitsubishi Electric CorporationInventors: Keisuke SHIRAI, Tomoaki MURATA, Atsushi OHASHI, Hiroki IKEDA
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Patent number: 9308827Abstract: A reachable range calculation apparatus for computing a range that a vehicle traveling on stored energy is able to reach, comprising: a storage part for storing beforehand information on a required amount of energy consumed when the vehicle moves, using each of a plurality of areas into which a map has been divided as a unit; an integration part for integrating, with respect to movement of the vehicle from a specified origin to a surrounding area, a required amount of energy on the basis of the required amount of energy stored in the storage part, each time the vehicle moves between areas; and a range determination part for determining, on the basis of a provided specified amount of energy and an integrated required amount of energy obtained by the integration part integrating energy-consumption amounts, a reachable range, which is a range of areas that the vehicle is able to reach using the specified amount of energy.Type: GrantFiled: December 5, 2012Date of Patent: April 12, 2016Assignee: Hitachi, Ltd.Inventors: Yuichi Kobayashi, Keisuke Shirai, Masamori Kashiyama, Tatsuaki Osafune
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Patent number: 9257882Abstract: Provided is a vehicle AC generator having a retainer attached on a bearing containing portion of a front bracket, thereby realizing temperature reduction in a bearing without deteriorating the cooling performance as a whole. In the vehicle AC generator, a front bracket 2 has a bearing containing portion 21 supporting a bearing 5 fitted therein, and an air inlet 22 that is provided along the outer circumference of the bearing containing portion 21 and allows cooling air from a fan 83 to pass therethrough. In addition, a retainer 15 is attached on the bearing containing portion 21, so as to cover the bearing 5. The retainer 15 has a planar shape, and has a fin 15b as a surface area increasing portion for increasing an area of contact with the cooling air, formed at a position facing to and outside the air inlet 22 in the shaft direction.Type: GrantFiled: June 27, 2013Date of Patent: February 9, 2016Assignee: Mitsubishi Electric CorporationInventors: Keisuke Shirai, Masao Akiyoshi
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Patent number: 9170118Abstract: A navigation system for an electric vehicle includes a telematics center, a display terminal, and a charging station. In response to a request from the display terminal, the telematics center sends a route search result, which is created based on information on an electric vehicle and the charging station and which includes base point information whose remaining battery capacity is to be confirmed, to the display terminal. The display terminal displays route guidance information, the current position, and a result of comparison between the current remaining battery capacity and the base point information to the user who is driving the electric vehicle.Type: GrantFiled: October 29, 2013Date of Patent: October 27, 2015Assignee: HITACHI, LTD.Inventors: Noboru Kiyama, Keisuke Shirai, Satoshi Shirasawa, Tatsuaki Osafune, Yuki Horita
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Publication number: 20150303765Abstract: In an alternator for a vehicle according to the present invention, each of rear-side ribs defining each of rear-side exhaust holes includes a projecting portion that has a three-sided sectional shape obtained by cutting along a vertical direction relative to a center axis line of a shaft at least in a portion away from respective end portions of stator coils, and has an apex oriented toward a cooling fan. The apex is oriented in a direction opposite to a rotating direction of the cooling fan. Therefore, the amount of air generated by the cooling fan is increased to improve cooling performance for a stator.Type: ApplicationFiled: March 6, 2013Publication date: October 22, 2015Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Masao AKIYOSHI, Keisuke SHIRAI
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Publication number: 20140303826Abstract: A reachable range calculation apparatus for computing a range that a vehicle traveling on stored energy is able to reach, comprising: a storage part for storing beforehand information on a required amount of energy consumed when the vehicle moves, using each of a plurality of areas into which a map has been divided as a unit; an integration part for integrating, with respect to movement of the vehicle from a specified origin to a surrounding area, a required amount of energy on the basis of the required amount of energy stored in the storage part, each time the vehicle moves between areas; and a range determination part for determining, on the basis of a provided specified amount of energy and an integrated required amount of energy obtained by the integration part integrating energy-consumption amounts, a reachable range, which is a range of areas that the vehicle is able to reach using the specified amount of energy.Type: ApplicationFiled: December 5, 2012Publication date: October 9, 2014Applicant: Hitachi, Ltd.Inventors: Yuichi Kobayashi, Keisuke Shirai, Masamori Kashiyama, Tatsuaki Osafune
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Publication number: 20140232245Abstract: Provided is a vehicle AC generator having a retainer attached on a bearing containing portion of a front bracket, thereby realizing temperature reduction in a bearing without deteriorating the cooling performance as a whole. In the vehicle AC generator, a front bracket 2 has a bearing containing portion 21 supporting a bearing 5 fitted therein, and an air inlet 22 that is provided along the outer circumference of the bearing containing portion 21 and allows cooling air from a fan 83 to pass therethrough. In addition, a retainer 15 is attached on the bearing containing portion 21, so as to cover the bearing 5. The retainer 15 has a planar shape, and has a fin 15b as a surface area increasing portion for increasing an area of contact with the cooling air, formed at a position facing to and outside the air inlet 22 in the shaft direction.Type: ApplicationFiled: June 27, 2013Publication date: August 21, 2014Inventors: Keisuke SHIRAI, Masao AKIYOSHI
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Publication number: 20140163877Abstract: A navigation system for an electric vehicle includes a telematics center, a display terminal, and a charging station. In response to a request from the display terminal, the telematics center sends a route search result, which is created based on information on an electric vehicle and the charging station and which includes base point information whose remaining battery capacity is to be confirmed, to the display terminal. The display terminal displays route guidance information, the current position, and a result of comparison between the current remaining battery capacity and the base point information to the user who is driving the electric vehicle.Type: ApplicationFiled: October 29, 2013Publication date: June 12, 2014Applicant: HITACHI, LTD.Inventors: Noboru KIYAMA, Keisuke SHIRAI, Satoshi SHIRASAWA, Tatsuaki OSAFUNE, Yuki HORITA
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Publication number: 20130238162Abstract: A storage part stores beforehand, as an energy consumption graph, amounts of energy consumed by a vehicle traveling in both directions along road links on a map. A processing part traces a road link from a specified start point location peripherally, calculates, for each road node, a first and second integration values obtained by integrating amounts of energy in a direction moving away from the start point location on the energy consumption graph and in a direction moving toward the start point location on the energy consumption graph, and based on a relationship between the sum of the first integration value and the second integration value, and a given specified amount of energy for each road node, decides a round-trip driving range which is a range within which the vehicle is able to return to the start point location by using the specified amount of energy.Type: ApplicationFiled: February 1, 2013Publication date: September 12, 2013Applicant: Hitachi Automotive Systems, Ltd.Inventors: YUICHI KOBAYASHI, Keisuke Shirai, Masamori Kashiyama, Tatsuaki Osafune, Kazuhide Nishiyama
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Publication number: 20120161692Abstract: In a charging control system, electrically-driven vehicles whose charging levels are lower than such a charging level required to drive these electrically-driven vehicles over a necessary minimum drivable distance are charged with a priority, and such an electrically-driven vehicle whose charging level quickly reaches the above-explained charging level among these electrically-driven vehicles is charged with a top priority. Also, in the charging control system, an order for dynamically charging vehicle-purpose batteries is rearranged by monitoring a change in charging environments, for instance, an electrically-driven vehicle is newly coupled to a charger in a half way; a commonly available electric power amount is increased by solar power generation etc.; and a supplyable electric power amount (W) is lowered due to utilization of electricity by a subject other than electrically-driven vehicles.Type: ApplicationFiled: December 21, 2011Publication date: June 28, 2012Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Yuichi Kobayashi, Keisuke Shirai, Masamori Kashiyama, Shimon Morii
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Patent number: 6731621Abstract: A plurality of packet gate ways (PGWS) are connected between a mobile communication system and an internet so that the corresponding IP subnetworks to those PGWs may be built. A visitor location register (VLR) operates to notify the PGW of location information of the mobile station (MS) and an IP address of a data terminal connected with the MS. If the notified IP address belongs to another IP subnetwork, the PGW notifies the corresponding PGW to that IP subnetwork of a fact that the local PGW is a destination. The PGW operates to manage the location information of the MS connected with the data terminal based on the notified content and perform the packet routing based on the managed content.Type: GrantFiled: March 3, 1999Date of Patent: May 4, 2004Assignee: Hitachi, Ltd.Inventors: Mika Mizutani, Susumu Matsui, Toshiya Ouchi, Haruo Shibata, Koji Hirayama, Keisuke Shirai