Patents by Inventor Shinji Kawaguchi
Shinji Kawaguchi 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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Patent number: 11296573Abstract: A stator winding for a rotating electric machine includes: a plurality of lead wires each including a conductor and an insulating film provided on side surfaces of the conductor; and a joining portion configured to join terminal portions of the plurality of lead wires to each other. The plurality of lead wires each includes: a conductor exposure portion provided at a portion of the terminal portion at which the terminal portions of the plurality of lead wires face each other, has the conductor exposed thereat, and has the joining portion connected thereto; and an insulating film remainder portion, provided at a portion of the terminal portion of the lead wire excluding the conductor exposure portion, and has the conductor covered with the insulating film, and a portion of the insulating film in the insulating film remainder portion is provided in a periphery of the joining portion.Type: GrantFiled: March 24, 2020Date of Patent: April 5, 2022Assignee: Mitsubishi Electric CorporationInventors: Kota Katsuragi, Shinji Kawaguchi, Kohei Yasuda
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Publication number: 20210044247Abstract: A device protection apparatus comprises, a refrigerant temperature sensor for detecting a temperature of a refrigerant used for cooling a device including a heat-generation part, a plurality of device temperature sensors for detecting a temperature of the device, a controller that applies drive limitation to the device based on a detected refrigerant temperature detected by the refrigerant temperature sensor and a detected temperature detected by the device temperature sensors.Type: ApplicationFiled: April 11, 2018Publication date: February 11, 2021Applicant: NISSAN MOTOR CO., LTD.Inventors: Kazushige NAMIKI, Keita ABE, Masahiko EDUMI, Shinji KAWAGUCHI
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Publication number: 20200328647Abstract: A stator winding for a rotating electric machine includes: a plurality of lead wires each including a conductor and an insulating film provided on side surfaces of the conductor; and a joining portion configured to join terminal portions of the plurality of lead wires to each other. The plurality of lead wires each includes: a conductor exposure portion provided at a portion of the terminal portion at which the terminal portions of the plurality of lead wires face each other, has the conductor exposed thereat, and has the joining portion connected thereto; and an insulating film remainder portion, provided at a portion of the terminal portion of the lead wire excluding the conductor exposure portion, and has the conductor covered with the insulating film, and a portion of the insulating film in the insulating film remainder portion is provided in a periphery of the joining portion.Type: ApplicationFiled: March 24, 2020Publication date: October 15, 2020Applicant: Mitsubishi Electric CorporationInventors: Kota Katsuragi, Shinji Kawaguchi, Kohei Yasuda
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Patent number: 10763775Abstract: A device protection apparatus comprising a first sensor for detecting temperature of a refrigerant used for cooling a device including a heat-generation part, a second sensor for detecting temperature of the device, and a controller 10 that applies drive limitation to the device based on a first detected temperature detected by the first sensor and a second detected temperature detected by the second sensor, wherein the controller 10 calculates a temperature difference between the first detected temperature and second detected temperature, applies drive limitation to the device when the temperature difference is higher than a predetermined temperature difference threshold value, and applies drive limitation to the device when the second detected temperature is higher than a predetermined first temperature threshold value.Type: GrantFiled: July 28, 2017Date of Patent: September 1, 2020Assignee: Nissan Motor Co., Ltd.Inventors: Shinji Kawaguchi, Kazushige Namiki
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Publication number: 20200212839Abstract: A device protection apparatus comprising a first sensor for detecting temperature of a refrigerant used for cooling a device including a heat-generation part, a second sensor for detecting temperature of the device, and a controller 10 that applies drive limitation to the device based on a first detected temperature detected by the first sensor and a second detected temperature detected by the second sensor, wherein the controller 10 calculates a temperature difference between the first detected temperature and second detected temperature, applies drive limitation to the device when the temperature difference is higher than a predetermined temperature difference threshold value, and applies drive limitation to the device when the second detected temperature is higher than a predetermined first temperature threshold value.Type: ApplicationFiled: July 28, 2017Publication date: July 2, 2020Applicant: Nissan Motor Co., Ltd.Inventors: Shinji Kawaguchi, Kazushige Namiki
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Patent number: 10514309Abstract: A temperature abnormality detection method is provide for a power conversion device which includes calculating a temperature difference between a first inverter temperature and a cooling water temperature, and then determining a temperature abnormality exists when a first abnormality determination condition is satisfied, i.e., when the temperature difference exceeds a preset difference threshold and the first inverter temperature exceeds a preset power conversion unit threshold temperature.Type: GrantFiled: August 23, 2016Date of Patent: December 24, 2019Assignee: Nissan Motor Co., Ltd.Inventors: Shinji Kawaguchi, Kazushige Namiki
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Publication number: 20190178728Abstract: A temperature abnormality detection method is provide for a power conversion device which includes calculating a temperature difference between a first inverter temperature and a cooling water temperature, and then determining a temperature abnormality exists when a first abnormality determination condition is satisfied, i.e., when the temperature difference exceeds a preset difference threshold and the first inverter temperature exceeds a preset power conversion unit threshold temperature.Type: ApplicationFiled: August 23, 2016Publication date: June 13, 2019Inventors: Shinji KAWAGUCHI, Kazushige NAMIKI
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Patent number: 9866102Abstract: A power conversion device is mounted with a control circuit, a plurality of drive circuits for driving switching elements in response to control signals from the control circuit, and a plurality of power supply circuits for supplying power to the drive circuits on a substrate. The power conversion device has a drive-circuit/power supply-circuit placement and wiring regions of a high current system in which the drive circuits and the power supply circuits are disposed on the substrate are provided for the respective switching elements with isolating regions interposed between the drive-circuit/power supply-circuit placement and wiring regions and the control circuit of a low current system. A gap is formed between the pairs of the drive-circuit/power supply-circuit regions. Power supply transformers are provided for transforming a voltage supplied from the control circuit for the respective power supply circuits in-between the isolating regions.Type: GrantFiled: December 3, 2014Date of Patent: January 9, 2018Assignee: Nissan Motor Co., Ltd.Inventor: Shinji Kawaguchi
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Publication number: 20170353096Abstract: A power conversion device is mounted with a control circuit, a plurality of drive circuits for driving switching elements in response to control signals from the control circuit, and a plurality of power supply circuits for supplying power to the drive circuits on a substrate. The power conversion device has a drive-circuit/power supply-circuit placement and wiring regions of a high current system in which the drive circuits and the power supply circuits are disposed on the substrate are provided for the respective switching elements with isolating regions interposed between the drive-circuit/power supply-circuit placement and wiring regions and the control circuit of a low current system. A gap is formed between the pairs of the drive-circuit/power supply-circuit regions. Power supply transformers are provided for transforming a voltage supplied from the control circuit for the respective power supply circuits in-between the isolating regions.Type: ApplicationFiled: December 3, 2014Publication date: December 7, 2017Inventor: Shinji KAWAGUCHI
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Patent number: 8981147Abstract: The present invention provides a novel ligand represented by the following formula and a novel transition metal complex having the ligand, which shows superior enantioselectivity and catalytic efficiency, particularly high catalyst activity, in various asymmetric synthesis reactions. A transition metal complex having, as a ligand, a compound represented by the formula wherein R4 is a hydrogen atom or a C1-6 alkyl group optionally having substituent(s), and R5 and R6 are each a C1-6 alkyl group optionally having substituent(s), or the formula is a group represented by the formula wherein ring B is a 3- to 8-membered ring optionally having substituent(s).Type: GrantFiled: February 19, 2014Date of Patent: March 17, 2015Assignee: Takeda Pharmaceutical Company LimitedInventors: Mitsuhisa Yamano, Mitsutaka Goto, Shinji Kawaguchi, Masatoshi Yamada, Jun-ichi Kawakami
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Publication number: 20140171655Abstract: The present invention provides a novel ligand represented by the following formula and a novel transition metal complex having the ligand, which shows superior enantioselectivity and catalytic efficiency, particularly high catalyst activity, in various asymmetric synthesis reactions. A transition metal complex having, as a ligand, a compound represented by the formula wherein R4 is a hydrogen atom or a C1-6 alkyl group optionally having substituent(s), and R5 and R6 are each a C1-6 alkyl group optionally having substituent(s), or the formula is a group represented by the formula wherein ring B is a 3- to 8-membered ring optionally having substituent(s).Type: ApplicationFiled: February 19, 2014Publication date: June 19, 2014Applicant: Takeda Pharmaceutical Company LimitedInventors: Mitsuhisa YAMANO, Mitsutaka GOTO, Shinji KAWAGUCHI, Masatoshi YAMADA, Jun-ichi KAWAKAMI
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Patent number: 8691718Abstract: The present invention provides a novel ligand represented by the following formula and a novel transition metal complex having the ligand, which shows superior enantioselectivity and catalytic efficiency, particularly high catalyst activity, in various asymmetric synthesis reactions. A transition metal complex having, as a ligand, a compound represented by the formula wherein R4 is a hydrogen atom or a C1-6 alkyl group optionally having substituent(s), and R5 and R6 are each a C1-6 alkyl group optionally having substituent(s), or the formula is a group represented by the formula wherein ring B is a 3- to 8-membered ring optionally having substituent(s).Type: GrantFiled: September 20, 2006Date of Patent: April 8, 2014Assignee: Takeda Pharmaceutical Company LimitedInventors: Mitsuhisa Yamano, Mitsutaka Goto, Shinji Kawaguchi, Masatoshi Yamada, Jun-ichi Kawakami
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Patent number: 8415930Abstract: Provided is a power supply device including: a magneto generator (1), which includes: a rotor including a magnet forming a magnetic field; and a stator which generates an alternating current in stator windings by rotation of the rotor; a rectifying unit (3) which rectifies the alternating current generated by the magneto generator to a direct current; a variable transformation-ratio direct current voltage transformer (40) which transforms an output voltage of the direct current of the rectifying unit to a voltage between input terminals of an electrical load (2) to which electric power is supplied; and a voltage control unit (5) which controls a transformation ratio of the variable transformation-ratio direct current voltage transformer in accordance with at least one of an operating state signal regarding the rotation of the rotor of the magneto generator and an electrical load state signal of the electrical load.Type: GrantFiled: May 3, 2010Date of Patent: April 9, 2013Assignee: Mitsubishi Electric CorporationInventors: Nobuhiro Kihara, Masayoshi Maeda, Shinji Kawaguchi, Hiroshi Okuda, Fumito Uemura, Takahiro Urakabe, Masaya Inoue, Naoki Itoi, Kenji Ishi
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Publication number: 20100289459Abstract: Provided is a power supply device including: a magneto generator (1), which includes: a rotor including a magnet forming a magnetic field; and a stator which generates an alternating current in stator windings by rotation of the rotor; a rectifying unit (3) which rectifies the alternating current generated by the magneto generator to a direct current; a variable transformation-ratio direct current voltage transformer (40) which transforms an output voltage of the direct current of the rectifying unit to a voltage between input terminals of an electrical load (2) to which electric power is supplied; and a voltage control unit (5) which controls a transformation ratio of the variable transformation-ratio direct current voltage transformer in accordance with at least one of an operating state signal regarding the rotation of the rotor of the magneto generator and an electrical load state signal of the electrical load.Type: ApplicationFiled: May 3, 2010Publication date: November 18, 2010Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Nobuhiro KIHARA, Masayoshi MAEDA, Shinji KAWAGUCHI, Hiroshi OKUDA, Fumito UEMURA, Takahiro URAKABE, Masaya INOUE, Naoki ITOI, Kenji ISHI
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Publication number: 20090270635Abstract: The present invention provides a novel ligand represented by the following formula and a novel transition metal complex having the ligand, which shows superior enantioselectivity and catalytic efficiency, particularly high catalyst activity, in various asymmetric synthesis reactions. A transition metal complex having, as a ligand, a compound represented by the formula wherein R4 is a hydrogen atom or a C1-6 alkyl group optionally having substituent(s), and R5 and R6 are each a C1-6 alkyl group optionally having substituent(s), or the formula is a group represented by the formula wherein ring B is a 3- to 8-membered ring optionally having substituent(s).Type: ApplicationFiled: September 20, 2006Publication date: October 29, 2009Inventors: Mitsuhisa Yamano, Mitsutaka Goto, Shinji Kawaguchi, Masatoshi Yamada, Jun-ichi Kawakami
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Publication number: 20070010402Abstract: A herbicide comprising, as an active ingredient, a substituted thienopyrimidine derivative represented by the formula (I): wherein all symbols are defined in the description, a method of using the same, a novel compound useful as the herbicide and a process for producing the same, and an intermediate thereof.Type: ApplicationFiled: September 26, 2003Publication date: January 11, 2007Applicant: NIHON NOHYAKU CO., LTD.,Inventors: Chikako Ota, Shuji Kumata, Shinji Kawaguchi
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Patent number: 7135582Abstract: A transition metal complex having 2,2?-bis[bis(3,5-di-tert-butyl-4-methoxyphenyl)phosphino]-1,1?-binaphthyl as a ligand. The presence of the transition metal complex in the reaction system of an asymmetric reaction system allows the preparation of an objective compound having an objective absolute configuration with improved efficiency.Type: GrantFiled: December 4, 2003Date of Patent: November 14, 2006Assignee: Takeda Pharmaceutiacal Company LimitedInventors: Mitsutaka Goto, Mitsuhisa Yamano, Shinji Kawaguchi
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Publication number: 20060094887Abstract: A transition metal complex having 2,2?-bis[bis(3,5-di-tert-butyl-4-methoxyphenyl)phosphino]-1,1?-binaphthyl as a ligand. The presence of the transition metal complex in the reaction system of an asymmetric reaction system allows the preparation of an objective compound having an objective absolute configuration with improved efficiency.Type: ApplicationFiled: December 4, 2003Publication date: May 4, 2006Inventors: Mitsutaka Goto, Mitsuhisa Yamano, Shinji Kawaguchi
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Patent number: 6365753Abstract: A phthalimide represented by general formula (I): wherein L represents L-1 or L-2: (wherein R1 and R2 each independently represent a hydrogen atom, an alkyl group, etc.); A represents an oxygen atom, a sulfur atom or —NR5— (wherein R5 is a hydrogen atom, an alkyl group, an alkenyl group, etc.); R represents a hydrogen atom, an alkyl group, an alkenyl group, a cycloalkyl group, a phenyl group, etc.; X represents a halogen atom; Y represents a hydrogen atom or a halogen atom; and Z represents a hydrogen atom, an alkyl group, a haloalkyl group or a halogen atom. The compound exhibits excellent herbicidal effects with high selectivity.Type: GrantFiled: March 8, 2001Date of Patent: April 2, 2002Assignee: Mitsubishi Chemical CorporationInventors: Bunji Natsume, Mitsuru Hikido, Shinji Kawaguchi
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Patent number: 5468721Abstract: A phenoxymethylpyrimidine derivative represented by the general formula (1) ##STR1## and a herbicide containing it as an effective ingredient. This compound has a high weed killing effect, a wide weed killing spectrum and high safety on crops, and is thus useful as a herbicide.whereinX denotes a halogen atom, a lower alkyl group, a lower alkoxy group, a lower acyloxy group or a nitro group,n denotes an integer of 0, 1 or 2,Y denotes a hydrogen atom, a lower alkyl group, a lower alkenyl group, a lower alkynyl group, a substituted lower alkyl group, a substituted lower alkenyl group, a substituted lower alkynyl group, an alkali metal atom, an alkaline earth metal atom or an ammonium cation optionally substituted by alkyl group(s), andR.sup.1 and R.sup.2 each independently denote a lower alkyl group.Type: GrantFiled: October 29, 1993Date of Patent: November 21, 1995Assignee: Mitsubishi Petrochemical Co., Ltd.Inventors: Norio Sasaki, Sachio Kudo, Michi Watanabe, Keiji Endo, Shinji Kawaguchi