Patents by Inventor Tatsuya Izumi
Tatsuya Izumi 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: 20220355750Abstract: Provided is a relay device including: a relay unit configured to perform a relay process for a frame transmitted and received between the function units; and a relay management unit. The relay unit receives, from a function unit, a target frame which is transmitted and received according to a predetermined communication protocol and includes information with which a request source of a service is identifiable and information with which a content of the requested service is identifiable, duplicates target data which is at least a part of the received target frame, outputs the duplicated target data to the relay management unit, and relays the received target frame to another function unit. The relay management unit performs determination regarding setting change in the relay process of the relay unit, on the basis of the target data received from the relay unit.Type: ApplicationFiled: September 10, 2020Publication date: November 10, 2022Applicants: Sumitomo Electric Industries, Ltd., Sumitomo Wiring Systems, Ltd., Autonetworks Technologies, Ltd.Inventors: Yusuke YAMAMOTO, Hideyuki TANAKA, Tatsuya IZUMI, Takeshi HAGIHARA, Darmawan GO
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Patent number: 11416237Abstract: A control apparatus includes a switching unit configured to switch a state of a first and a second on-vehicle power supply to a power or a non-power supplying state, an acquisition unit configured to acquire operation information indicating whether the control device is in an operating or non-operating state, and a control unit configured to execute, in a case where a combination of the first and the second power supply is changed from a first to a second pattern, start-up control to determine a state in the second pattern, of an on-vehicle control device suppliable with power from the first power supply, based on the operation information in the first pattern. The first pattern is the first power supply in the power supplying state and the second power supply in the non-power supplying state. The second pattern in the first and second power supplies are in the power supplying state.Type: GrantFiled: May 28, 2018Date of Patent: August 16, 2022Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Akihiro Ogawa, Tatsuya Izumi
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Publication number: 20220239528Abstract: In a system including a plurality of in-vehicle networks, information regarding the network configuration of function units connected to different types of transmission paths can be easily used. A relay device includes: an acquisition unit configured to acquire second function unit information of the function unit connected to the second transmission path, the second function unit information being function unit information that includes information regarding a network configuration of a layer of a lower order than an application layer; and a conversion unit configured to perform a conversion process of converting the second function unit information acquired by the acquisition unit into information that is able to be registered into a database of one or a plurality of pieces of first function unit information being function unit information of one or a plurality of the function units each connected to a corresponding first transmission path.Type: ApplicationFiled: April 30, 2020Publication date: July 28, 2022Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD.Inventors: Yusuke YAMAMOTO, Hideyuki TANAKA, Tatsuya IZUMI, Yojiro SUYAMA, Takeshi HAGIHARA, Darmawan GO
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RELAY DEVICE, VEHICLE COMMUNICATION SYSTEM, VEHICLE, COMMUNICATION METHOD, AND COMMUNICATION PROGRAM
Publication number: 20220231910Abstract: An information of a network to which a new function unit has been added is easily acquired. A relay device installed in a vehicle includes: a detection unit configured to detect a new function unit being a function unit that is newly added to a network including an existing function unit being one or a plurality of function units; a relay unit configured to relay a frame between the function units; and an acquisition unit configured to acquire, from the frame, relayed by the relay unit, between the new function unit detected by the detection unit and the existing function unit, function unit information that includes information regarding a network configuration of a layer of a lower order than an application layer, the function unit information being of at least one of the new function unit and the existing function unit.Type: ApplicationFiled: July 3, 2020Publication date: July 21, 2022Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD.Inventors: Yojiro SUYAMA, Hideyuki TANAKA, Tatsuya IZUMI, Yusuke YAMAMOTO, Takeshi HAGIHARA, Darmawan GO, Yosuke SHIMIZU -
Patent number: 11374787Abstract: A switch device installed in a vehicle is provided with: a switch unit configured to relay communication data between a plurality of function units installed in the vehicle; a storage unit configured to hold the communication data to be relayed; and a control unit configured to determine a state of the storage unit, and adjust, for each of applications, a throughput of the communication data to be transmitted from the function units, based on a result of the determination.Type: GrantFiled: August 1, 2019Date of Patent: June 28, 2022Assignees: Sumitomo Electric Industries, Ltd., AutoNetwork Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Toyota Jidosha Kabushiki KaishaInventors: Akihito Iwata, Hideyuki Tanaka, Hideki Maeda, Tatsuya Izumi, Takeshi Hagihara, Yasuhiro Yabuuchi, Yasuhiro Yamasaki, Hiroya Ando, Toshio Kawamura, Hirofumi Urayama
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Publication number: 20220183052Abstract: A network of a new configuration is flexibly constructed while maintaining a stable operation in the network. A management device includes: a detection unit that detects a new function unit as a function unit to be newly added to a network including one or a plurality of on-vehicle function units; a generation unit that acquires function unit information of the new function unit detected by the detection unit and function unit information of the on-vehicle function unit, and generates, based on the respective pieces of function unit information, configuration information of a new network that is the network in which the new function unit is further included; and an acquisition unit that acquires, from a database in a storage device, feasibility information indicating feasibility of the new network and corresponding to the configuration information generated by the generation unit.Type: ApplicationFiled: October 18, 2019Publication date: June 9, 2022Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD.Inventors: Yusuke YAMAMOTO, Hideyuki TANAKA, Tatsuya IZUMI, Junji YANO, Yasuhiro YABUUCHI, Tadashi MATSUMOTO, Takeshi HAGIHARA
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Patent number: 11340891Abstract: A control device according to this disclosure includes: a communication unit configured to communicate with an on-vehicle control device via an in-vehicle communication line; and a control unit configured to control the communication unit. The control unit executes: an acquisition process of acquiring a first time and a second time described below; and a determination process of determining, based on a result of comparison between the first time and the second time that have been acquired, whether or not rollback to a control program before update is necessary in the on-vehicle control device that is updating the control program. First time: a time from a present time in which the control program is being updated to when the update is completed Second time: a time from the present time to when the rollback to the control program before update is completed.Type: GrantFiled: May 28, 2018Date of Patent: May 24, 2022Assignee: Sumitomo Electric Industries, Ltd.Inventors: Akihiro Ogawa, Hirofumi Urayama, Tatsuya Izumi, Takayuki Nakano
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Publication number: 20220158900Abstract: A network of a new configuration is flexibly constructed while maintaining a stable operation in the network. A management device includes: a detection unit that detects addition of a function unit to a network including one or a plurality of on-vehicle function units; an acquisition unit that acquires function unit information of a new function unit that is the function unit the addition of which has been detected by the detection unit and function unit information of each on-vehicle function unit, each piece of function unit information including information regarding network configuration of a layer lower than an application layer; and a generation unit that, based on the pieces of function unit information acquired by the acquisition unit, generates configuration information of a new network that is the network further including the new function unit.Type: ApplicationFiled: October 18, 2019Publication date: May 19, 2022Applicants: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD.Inventors: Yusuke YAMAMOTO, Koichi TAKAYAMA, Hideyuki TANAKA, Tatsuya IZUMI, Junji YANO, Yasuhiro YABUUCHI, Tadashi MATSUMOTO, Takeshi HAGIHARA
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Publication number: 20220059288Abstract: A multilayer ceramic capacitor includes a multilayer body including a plurality of dielectric layers and a plurality of internal electrodes, wherein the dielectric layers and the internal electrodes are stacked alternately; and external electrodes provided on end surfaces of the multilayer body and electrically connected to the internal electrodes, wherein the dielectric layers each include main crystal grains including calcium and/or strontium, and zirconium; and an additive component including lithium, the internal electrodes include copper, and the dielectric layers have lithium concentrations with a standard deviation of about 1.03 atomic percent or less in the thickness direction.Type: ApplicationFiled: July 22, 2021Publication date: February 24, 2022Inventors: Tatsuya IZUMI, Yuu MIKAMI
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Publication number: 20210344522Abstract: A switch device installed in a vehicle is provided with: a switch unit configured to relay communication data between a plurality of function units installed in the vehicle; a storage unit configured to hold the communication data to be relayed; and a control unit configured to determine a state of the storage unit, and adjust, for each of applications, a throughput of the communication data to be transmitted from the function units, based on a result of the determination.Type: ApplicationFiled: August 1, 2019Publication date: November 4, 2021Applicants: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Toyota Jidosha Kabushiki KaishaInventors: Akihito IWATA, Hideyuki TANAKA, Hideki MAEDA, Tatsuya IZUMI, Takeshi HAGIHARA, Yasuhiro YABUUCHI, Yasuhiro YAMASAKI, Hiroya ANDO, Toshio KAWAMURA, Hirofumo URAYAMA
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Patent number: 11158457Abstract: A dielectric ceramic composition includes, as a main component, a perovskite compound containing Sr and Zr and may contain Ca and/or Ti, further contains Li and Si, and may contain Mn. When a total content of Zr and Ti is 100 parts by mol, a total content (100×m) of parts by mol of Sr and Ca is 0.8?m?1.3, a content a of parts by mol of Mn is 0?a?10, a content b of parts by mol of Li is 5?b?15, a content c of parts by mol of Si is 20?c?40, a molar ratio x of Ca/(Sr+Ca) is 0?x?0.8, and a molar ratio y of Ti/(Zr+Ti) is 0?y?0.5.Type: GrantFiled: October 22, 2019Date of Patent: October 26, 2021Assignee: MURATA MANUFACTURING COMPANY, LTD.Inventors: Yasuko Ooe, Tatsuya Izumi, Tomotaka Hirata
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Patent number: 11152973Abstract: In a communication apparatus, an analog circuit executes an analog process to a differential signal in a condition that a potential of a first conductor is a reference. A communication circuit receives, via a connection circuit, a differential signal obtained by the execution of the analog process of the analog process is executed and generates, based on the received differential signal, a signal with a reference corresponding to a potential of a second conductor. An inductor (a connection element) is connected between the first conductor and the second conductor. The connection circuit includes a circuit element other than a capacitor.Type: GrantFiled: February 14, 2020Date of Patent: October 19, 2021Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Makoto Mashita, Takeshi Hagihara, Yuanjun Xian, Nobuyuki Kobayashi, Akihito Iwata, Takehiro Kawauchi, Tatsuya Izumi
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Patent number: 11007722Abstract: A dielectric welding film capable of tightly welding adherends of a polyolefin resin or the like within a relatively short time through dielectric heating, and a bonding method using the dielectric welding film are provided. The dielectric welding film is configured to bond a plurality of adherends of the same material or different materials through dielectric heating, the dielectric welding film containing (A) a polyolefin resin and (B) a dielectric filler whose mean particle size measured in accordance with JIS Z 8819-2 (2001) is in a range from 1 to 30 ?m, a thickness of the dielectric welding film ranging from 10 to 2,000 ?m. The method uses the dielectric welding film.Type: GrantFiled: October 18, 2017Date of Patent: May 18, 2021Assignee: LINTEC CORPORATIONInventors: Masakazu Ishikawa, Tatsuya Izumi
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Publication number: 20210065989Abstract: A multilayer electronic component that includes a stacked body having therein a plurality of dielectric layers including a CZ-based perovskite phase and an element M1, a plurality of internal electrode layers including Cu, and an interface layer including the element M1 in at least a portion of an interface with the plurality of internal electrode layers. Element M1 is an element that has a binding energy between CZ and Cu via the element M1 of less than or equal to ?9.8 eV by first-principles calculation using a pseudopotential method. When amounts of elements included in the dielectric layers are expressed as parts by mol, a ratio m1 of an amount of the element M1 to an amount of the Zr in the interface layer is 0.03?m1?0.25.Type: ApplicationFiled: August 7, 2020Publication date: March 4, 2021Inventors: Tatsuya Izumi, Tomotaka Hirata
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Publication number: 20210011711Abstract: A control device according to this disclosure includes: a communication unit configured to communicate with an on-vehicle control device via an in-vehicle communication line; and a control unit configured to control the communication unit. The control unit executes: an acquisition process of acquiring a first time and a second time described below; and a determination process of determining, based on a result of comparison between the first time and the second time that have been acquired, whether or not rollback to a control program before update is necessary in the on-vehicle control device that is updating the control program.Type: ApplicationFiled: May 28, 2018Publication date: January 14, 2021Applicant: Sumitomo Electric Industries, Ltd.Inventors: Akihiro OGAWA, Hirofumi URAYAMA, Tatsuya IZUMI, Takayuki NAKANO
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Publication number: 20200313724Abstract: In a communication apparatus, an analog circuit executes an analog process to a differential signal in a condition that a potential of a first conductor is a reference. A communication circuit receives, via a connection circuit, a differential signal obtained by the execution of the analog process of the analog process is executed and generates, based on the received differential signal, a signal with a reference corresponding to a potential of a second conductor. An inductor (a connection element) is connected between the first conductor and the second conductor. The connection circuit includes a circuit element other than a capacitor.Type: ApplicationFiled: February 14, 2020Publication date: October 1, 2020Inventors: Makoto Mashita, Takeshi Hagihara, Yuanjun Xian, Nobuyuki Kobayashi, Akihito Iwata, Takehiro Kawauchi, Tatsuya Izumi
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Publication number: 20200301695Abstract: A control apparatus includes a switching unit configured to switch a state of a first and a second on-vehicle power supply to a power or a non-power supplying state, an acquisition unit configured to acquire operation information indicating whether the control device is in an operating or non-operating state, and a control unit configured to execute, in a case where a combination of the first and the second power supply is changed from a first to a second pattern, start-up control to determine a state in the second pattern, of an on-vehicle control device suppliable with power from the first power supply, based on the operation information in the first pattern. The first pattern is the first power supply in the power supplying state and the second power supply in the non-power supplying state. The second pattern in the first and second power supplies are in the power supplying state.Type: ApplicationFiled: May 28, 2018Publication date: September 24, 2020Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Akihiro OGAWA, Tatsuya IZUMI
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Publication number: 20200215930Abstract: A control apparatus includes: a communication unit configured to communicate with one or a plurality of on-vehicle control devices via an in-vehicle communication line; a first acquisition unit configured to acquire a battery's state of charge that supplies power to on-vehicle control devices; a second acquisition unit configured to acquire an estimated amount of power consumption in each on-vehicle control device up to a time point when update of a control program in on-vehicle control device is completed; a determination unit configured to determine whether or not an expected state of the battery's charge at time point of update completion is equal to or larger than a threshold, on the basis of the state of the battery's charge and estimated amount of power consumption; and a control unit configured to instruct one or a plurality of on-vehicle control devices about devices' operations to be controlled by the on-vehicle control devices.Type: ApplicationFiled: April 13, 2018Publication date: July 9, 2020Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventor: Tatsuya IZUMI
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Publication number: 20200126723Abstract: A dielectric ceramic composition includes, as a main component, a perovskite compound containing Sr and Zr and may contain Ca and/or Ti, further contains Li and Si, and may contain Mn. When a total content of Zr and Ti is 100 parts by mol, a total content (100×m) of parts by mol of Sr and Ca is 0.8?m?1.3, a content a of parts by mol of Mn is 0?a?10, a content b of parts by mol of Li is 5?b?15, a content c of parts by mol of Si is 20?c?40, a molar ratio x of Ca/(Sr+Ca) is 0?x?0.8, and a molar ratio y of Ti/(Zr+Ti) is 0?y?0.5.Type: ApplicationFiled: October 22, 2019Publication date: April 23, 2020Inventors: Yasuko OOE, Tatsuya IZUMI, Tomotaka HIRATA
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Patent number: 10625754Abstract: A control apparatus including: a unit configured to communicate with on-vehicle control devices via a communication line; a storage unit configured to store therein a reference table that defines whether each of the on-vehicle control devices is a permitted or unpermitted device; a monitoring unit configured to monitor whether there is a user operation that instructs start of an engine; and a determination unit configured to determine whether to permit start of the engine according to user operation, on the basis of the reference table and a state of update of a control program in the on-vehicle control device when user operation is detected. The permitted device is an on-vehicle control device for which start of the engine during update of the control program is permitted, and the unpermitted device is an on-vehicle control device for which start of the engine during update of the control program is not permitted.Type: GrantFiled: April 13, 2018Date of Patent: April 21, 2020Assignee: Sumitomo Electric Industries, Ltd.Inventor: Tatsuya Izumi