Patents by Inventor Jun Tahara
Jun Tahara 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: 20230410566Abstract: A data collection device of the present disclosure is mounted on a vehicle and collects data on a state of the vehicle. The device acquires an aggregation format of the data from an external device and aggregates the data collected from the vehicle to generate an aggregation result in the aggregation format specified by the external device. The device sends the aggregation result to the external device. The device enables useful information to be provided from the vehicle to the external device according to needs of the external device while reducing a communication load and a processing burden of the external device.Type: ApplicationFiled: June 12, 2023Publication date: December 21, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yohei OGAWA, Jun Tahara
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Publication number: 20230252834Abstract: A data recording device of this disclosure records, in a basic recording period, a plurality of pieces of data on the state of a vehicle, the pieces of data being to be each acquired in a predetermined sampling period, the basic recording period being longer than the predetermined sampling period. The data recording device records at least one specified data specified by a vehicle external device among the pieces of data in a shortened recording period equal to or more than the predetermined sampling period but less than the basic recording period.Type: ApplicationFiled: November 16, 2022Publication date: August 10, 2023Applicant: Toyota Jidosha Kabushiki KaishaInventors: Jun Tahara, Yohei Ogawa
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Publication number: 20230153851Abstract: Vehicle information on a target vehicle and market information on resale prices or assessed prices of same-type vehicles are acquired. Which one of an average vehicle, a point-addition vehicle, and a point-deduction vehicle corresponds to the target vehicle is determined, and an average assessed price of the same-type vehicles in a distance range is specified. When the target vehicle is the average vehicle, the average assessed price of the same-type vehicles is set as an assessed value for the target vehicle. When the target vehicle is the point-addition vehicle, a price higher than the average assessed price of the same-type vehicles is set as the assessed value. When the target vehicle is the point-deduction vehicle, a price lower than the average assessed price of the same-type vehicles is set as the assessed value. The set assessed price of the target vehicle is output.Type: ApplicationFiled: September 15, 2022Publication date: May 18, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yohei Ogawa, Jun Tahara
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Publication number: 20230113162Abstract: This rotary electric machine includes: an electric motor; a power supply unit including a heat-dissipation member, a power module, and a cover covering the heat-dissipation member and the power module; and a coolant path. A connection portion connecting the electric motor and the power supply unit is provided between the housing and the power supply unit. A cylindrical portion of the cover extends toward the one side in the axial direction and covers the connection portion from the radially outer side. The coolant path is provided at one or both of the heat-dissipation member and an area between the heat-dissipation member and the housing. The coolant path overlaps the power module as seen in the axial direction. The cylindrical portion of the cover has an opening through which a coolant passes, at a circumferential-direction position different from a circumferential-direction position on the radially outer side of the connection portion.Type: ApplicationFiled: April 22, 2022Publication date: April 13, 2023Applicant: Mitsubishi Electric CorporationInventors: Tadashi MURAKAMI, Hiroyuki Higashino, Jun Tahara, Shota Morikawa, Yoshinobu Utsumi, Yosuke Uno
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Patent number: 11552525Abstract: A rotating electrical machine such that a power supply unit can be efficiently cooled, with no increase in size in an axial direction of the rotating electrical machine, is provided. A rotating electrical machine main body and a power supply unit are integrally fixed, and a refrigerant passage is provided on the rotating electrical machine main body side of a metal frame configuring the power supply unit. The refrigerant passage and a control part that controls power supplied to the rotating electrical machine main body are disposed in the same plane in an axial direction of the rotating electrical machine main body, and the refrigerant passage is disposed farther to a radial direction outer side of the rotating electrical machine main body than the control part.Type: GrantFiled: June 9, 2020Date of Patent: January 10, 2023Assignee: Mitsubishi Electric CorporationInventors: Jun Tahara, Takashi Hashiba, Satoshi Mitsunaga, Hiroyuki Higashino, Mitsunori Ishizaki, Toshiaki Kashihara, Tadashi Murakami, Yoshinobu Utsumi
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Publication number: 20220360145Abstract: With an object, of providing a rotating electric machine such that a reduction in size can be achieved, and a balance between a cooling performance and vibration resistance can be achieved, a multiple of connection portions formed of a first connection portion and a second connection portion that mechanically connect a rotating electric machine main body and a power converter are provided on a non-external device connection portion side bracket in the rotating electric machine main body and a heat dissipating member in the power converter, cross-sectional centers of the first connection portion and the second connection portion are caused to be positioned farther to an inner diameter side than an outer diameter of a stator, and a power module is disposed between two connection portions neighboring in a circumferential direction.Type: ApplicationFiled: December 20, 2021Publication date: November 10, 2022Applicant: Mitsubishi Electric CorporationInventors: Hiroyuki HIGASHINO, Yosuke UNO, Saburo TANAKA, Toshiaki KASHIHARA, Yoshinobu UTSUMI, Jun TAHARA, Hiroyuki YAHARA, Takaya MUTO, Shota MORIKAWA, Naohide MAEDA
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Publication number: 20220190670Abstract: In the rotating electrical machine with integrated control device provided with the drive unit and the inverter assembly, the brush holder that holds the brush is detachably attached to either the rear bracket side of the inverter assembly or the inverter assembly side of the rear bracket so that it is not necessary to provide a hole for incorporating the brush holder in the central part of the control module, and the radial dimension of the control module can be reduced.Type: ApplicationFiled: September 27, 2021Publication date: June 16, 2022Applicant: Mitsubishi Electric CorporationInventors: Yosuke UNO, Yoshinobu UTSUMI, Jun TAHARA, Hiroyuki HIGASHINO, Tatsuya FUKASE
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Patent number: 11239021Abstract: An isolated converter reduced in size compared with a conventional isolated converter and having a high heat dissipation characteristic is provided. The isolated converter includes a multilayer substrate having a first through hole and a magnetic core partially passing through the first through hole. The multilayer substrate includes a first conductor pattern formed at a position overlapping the magnetic core on a second surface when viewed from a direction orthogonal to a first surface, a second conductor pattern formed between the first surface and the second surface at a position overlapping the magnetic core and the first conductor pattern when viewed from the direction orthogonal to the first surface, at least one thermal conductive member formed on the first conductor pattern and having a portion disposed between the multilayer substrate and the magnetic core, and an electric insulating layer electrically insulating the first conductor pattern from the second conductor pattern.Type: GrantFiled: March 10, 2017Date of Patent: February 1, 2022Assignee: Mitsubishi Electric CorporationInventors: Koji Nakajima, Shota Sato, Yuji Shirakata, Kenta Fujii, Jun Tahara
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Patent number: 11128200Abstract: A rotating-electric-machine main body and an electric-power supply unit are integrally fixed to each other, the smoothing capacitor provided in the electric-power supply unit is disposed in such a way as to be cooled by cooling air flowing from the outside of a housing of the rotating-electric-machine main body to an air inlet provided in the housing.Type: GrantFiled: July 26, 2018Date of Patent: September 21, 2021Assignee: Mitsubishi Electric CorporationInventors: Jun Tahara, Yosuke Uno, Tomoaki Shimano
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Patent number: 11094452Abstract: A power converter includes a magnetic core, a plurality of windings, a plurality of metal sidewalls, a first insulating member, and a second insulating member. The plurality of windings are each wound around the magnetic core and bent to have a portion extending in a direction in which the magnetic core extends. The plurality of metal sidewalls are disposed outside the plurality of windings and extend in the direction in which the magnetic core extends. The first insulating member is disposed between the plurality of windings and between the windings and the magnetic core. The second insulating member is disposed on an outside of the plurality of windings and in contact with each of the plurality of sidewalls and each of the plurality of windings. The second insulating member has a thermal conductivity higher than a thermal conductivity of the first insulating member.Type: GrantFiled: August 4, 2016Date of Patent: August 17, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Koji Nakajima, Takashi Kumagai, Jun Tahara
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Publication number: 20210226506Abstract: A rotating electrical machine such that a power supply unit can be efficiently cooled, with no increase in size in an axial direction of the rotating electrical machine, is provided. A rotating electrical machine main body and a power supply unit are integrally fixed, and a refrigerant passage is provided on the rotating electrical machine main body side of a metal frame configuring the power supply unit. The refrigerant passage and a control part that controls power supplied to the rotating electrical machine main body are disposed in the same plane in an axial direction of the rotating electrical machine main body, and the refrigerant passage is disposed farther to a radial direction outer side of the rotating electrical machine main body than the control part.Type: ApplicationFiled: June 9, 2020Publication date: July 22, 2021Applicant: Mitsubishi Electric CorporationInventors: Jun TAHARA, Takashi HASHIBA, Satoshi MITSUNAGA, Hiroyuki HIGASHINO, Mitsunori ISHIZAKI, Toshiaki KASHIHARA, Tadashi MURAKAMI, Yoshinobu UTSUMI
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Patent number: 11049640Abstract: A circuit device and a power converter include a core, a coil surrounding at least a part of the core, and a first heat transfer member being in surface contact with the core. A temperature rise of the core can thus be prevented or reduced.Type: GrantFiled: January 4, 2017Date of Patent: June 29, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Kenta Fujii, Koji Nakajima, Yuji Shirakata, Jun Tahara, Takashi Kumagai
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Publication number: 20210184541Abstract: In order to provide an electric rotating machine which is inexpensive and miniaturized while improving cooling performance of a rotor, a power supply unit is fixed on the axial side of a shaft in a bracket and a permanent magnet is arranged adjacent to the advancing side in the rotation direction of a claw-shaped magnetic pole portion of a magnetic pole on the side where the power supply unit is provided.Type: ApplicationFiled: November 3, 2020Publication date: June 17, 2021Applicant: Mitsubishi Electric CorporationInventors: Tadashi MURAKAMI, Toshiyuki YOSHIZAWA, Naohide MAEDA, Jun TAHARA, Hiroyuki HIGASHINO, Yuki HIDAKA
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Patent number: 11031177Abstract: A power converter includes a magnetic core and a plurality of windings. The plurality of windings are each wound around the magnetic core and bent to have a portion extending in the direction in which the magnetic core extends. Each of the plurality of windings is bent to include a region located farthest out from the magnetic core among all of the plurality of windings.Type: GrantFiled: August 24, 2016Date of Patent: June 8, 2021Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Koji Nakajima, Takashi Kumagai, Jun Tahara
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Patent number: 10979442Abstract: A piece of anomaly detection data that is the subject of determination is referred to as target data. The position of a vehicle when an anomaly occurred is grasped based on the target data. The number of pieces of the anomaly detection data is defined as the number of pieces of the anomaly detection data output within a predetermined area from the position of the vehicle when the anomaly occurred that is grasped based on the target data among the anomaly detection data stored in the memory. It is determined that the possibility that the target data is generated due to repair of the vehicle is higher when the number of pieces of the anomaly detection data is greater than or equal to a predetermined number than when the number of pieces of the anomaly detection data is less than the predetermined number.Type: GrantFiled: January 8, 2019Date of Patent: April 13, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takahiro Yamanashi, Jun Tahara
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Publication number: 20210067002Abstract: A heat-generating-component cooling flow passage and a bearing cooling flow passage are formed by mounting a flow passage cover to a rotor unit side of a rear bracket-cum-cooler. An arrangement region of the bearing cooling flow passage in an axial direction of the rotary shaft is arranged so as to overlap with at least a part of an arrangement region of a rear bearing in the axial direction of the rotary shaft. The heat-generating-component cooling flow passage is arranged so as to overlap with at least a part of an arrangement region of a heat generating component when viewed in the axial direction of the rotary shaft. A stator core is connected to the heat-generating-component cooling flow passage through the rear bracket-cum-cooler.Type: ApplicationFiled: March 23, 2018Publication date: March 4, 2021Applicant: Mitsubishi Electric CorporationInventors: Hiroyuki HIGASHINO, Jun TAHARA, Tatsuya FUKASE, Yoshinobu UTSUMI, Tomoaki SHIMANO
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Patent number: 10854537Abstract: Provided is a small-sized power semiconductor device in which interference between power modules adjacently disposed is prevented and the areas of the gaps occurring between the power modules are reduced. In a power semiconductor device formed by adjacently disposing power modules in an arc shape on a heat sink, each of which power modules is obtained by sealing, with a mold resin, a switchable power semiconductor chip, a lead frame in which potential leads and signal terminals connected to the power semiconductor chip are formed, and a metallic inner lead electrically connecting an upper surface electrode of the power semiconductor chip and the lead frame, any one of the adjacent power modules is formed in a pentagonal shape having, at a portion adjacent to the other power module, an oblique side 10a obtained by cutting out one corner of a quadrangle.Type: GrantFiled: September 7, 2018Date of Patent: December 1, 2020Assignee: Mitsubishi Electric CorporationInventors: Saburo Tanaka, Tomoaki Shimano, Masaki Kato, Jun Tahara, Tatsuya Fukase
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Publication number: 20190318977Abstract: Provided is a small-sized power semiconductor device in which interference between power modules adjacently disposed is prevented and the areas of the gaps occurring between the power modules are reduced. In a power semiconductor device formed by adjacently disposing power modules in an arc shape on a heat sink, each of which power modules is obtained by sealing, with a mold resin, a switchable power semiconductor chip, a lead frame in which potential leads and signal terminals connected to the power semiconductor chip are formed, and a metallic inner lead electrically connecting an upper surface electrode of the power semiconductor chip and the lead frame, any one of the adjacent power modules is formed in a pentagonal shape having, at a portion adjacent to the other power module, an oblique side 10a obtained by cutting out one corner of a quadrangle.Type: ApplicationFiled: September 7, 2018Publication date: October 17, 2019Applicant: Mitsubishi Electric CorporationInventors: Saburo TANAKA, Tomoaki SHIMANO, Masaki KATO, Jun TAHARA, Tatsuya FUKASE
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Patent number: 10438874Abstract: To obtain a compact and high output power conversion device by achieving high heat dispersion performance and a reduction in heat generation, and enabling an efficient arrangement of power modules of three-phase circuits, four switchable power semiconductor chips of each of the power modules are arranged so that two pairs of circuits for one phase connected in series are connected in parallel to form a circuit for two phases, the lead frame includes two positive potential leads, two AC potential leads, and one negative potential lead that are separated from each other, the four switchable power semiconductor chips are individually arranged on four leads of the two positive potential leads and the two AC potential leads, the two positive potential leads each have an end portion connected to a bus bar via a welding point individually provided for each phase, and the bus bar is provided in common.Type: GrantFiled: January 29, 2018Date of Patent: October 8, 2019Assignee: Mitsubishi Electric CorporationInventors: Tatsuya Fukase, Masaki Kato, Jun Tahara, Tomoaki Shimano, Saburo Tanaka
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Publication number: 20190288582Abstract: A rotating-electric-machine main body and an electric-power supply unit are integrally fixed to each other, the smoothing capacitor provided in the electric-power supply unit is disposed in such a way as to be cooled by cooling air flowing from the outside of a housing of the rotating-electric-machine main body to an air inlet provided in the housing.Type: ApplicationFiled: July 26, 2018Publication date: September 19, 2019Applicant: Mitsubishi Electric CorporationInventors: Jun TAHARA, Yosuke UNO, Tomoaki SHIMANO