Patents by Inventor Yoshiyuki Igarashi
Yoshiyuki Igarashi 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: 20240120492Abstract: Provided are a binder solution, an electrode mixture, an electrode, and an all-solid-state battery, which use an organic solvent having low reactivity with a solid electrolyte and in which a binder easily dissolves. The binder solution for an all-solid-state battery contains: a binder made of a vinylidene fluoride polymer; and an organic solvent. The organic solvent is at least one selected from the group consisting of a cyclic ether, a ketone, and an ester. The organic solvent has a boiling point of 60° C. or higher and 160° C. or lower. A residual moisture content of the organic solvent is 300 ppm or less.Type: ApplicationFiled: February 14, 2022Publication date: April 11, 2024Applicant: Kureha CorporationInventors: Aya SHIKE, Yoshiyuki NAGASAWA, Tamito IGARASHI
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Publication number: 20240043009Abstract: A travel control apparatus to be applied to a vehicle includes a passability determination unit and a travel control unit. The passability determination unit performs a determination as to whether or not an obstacle located on a vehicle lane on which the vehicle travels is avoidable within the vehicle lane on which the vehicle is currently traveling. The travel control unit carries out a travel control to allow the vehicle to travel while avoiding the obstacle. On the condition that the passability determination unit determines that the obstacle is avoidable within the vehicle lane on which the vehicle is currently traveling, the travel control unit controls a travel speed of the vehicle to keep the vehicle, any one of surrounding vehicles, and the obstacle from becoming side by side when the vehicle passes by the obstacle.Type: ApplicationFiled: July 7, 2023Publication date: February 8, 2024Inventors: Yoshiyuki IGARASHI, Tsubasa AOYAMA
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Publication number: 20240042998Abstract: A traveling control apparatus includes an obstacle detection unit, a detour determination unit, first and second on-road parking determination unit, first and second target lateral position determination units, and a traveling control processor. When an obstacle is highly likely or likely to be a second vehicle parked on the road, the first target lateral position determination unit determines a first target lateral position. When the obstacle is determined to be the second vehicle parked on the road, the second target lateral position determination unit determines a second target lateral position. When the obstacle is determined not to be the second vehicle parked on the road and there is a detour, the second target lateral position determination unit determines a third target lateral position. The traveling control processor controls a first vehicle based on a result of determining by the first or second target lateral position determination unit.Type: ApplicationFiled: July 7, 2023Publication date: February 8, 2024Inventors: Tsubasa AOYAMA, Yoshiyuki IGARASHI
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Publication number: 20240043008Abstract: A traveling control apparatus that is to be applied to a first vehicle, and includes an obstacle detector, first and second street parking determination processors, first and second target lateral position determination processors, and a traveling control processor. The first and second street parking determination processors each perform, when the obstacle is detected, a determination as to whether the obstacle is a second vehicle that is street-parked. The first and second target lateral position determination processors each perform, when the obstacle is the second vehicle having a high possibility of being street-parked, a determination of corresponding one of first and second target lateral positions of the first vehicle at a time when the first vehicle passes the second vehicle. The traveling control processor executes the traveling control based on results of the determinations performed by the first and second target lateral position determination processors.Type: ApplicationFiled: July 7, 2023Publication date: February 8, 2024Inventors: Tsubasa AOYAMA, Yoshiyuki IGARASHI
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Publication number: 20230311980Abstract: An automatic steering control apparatus includes a steering torque detector and a steering processor. The steering torque detector is configured to detect a steering torque amount applied to a steering shaft of a vehicle. The steering processor is configured to switch between an automatic steering and a manual steering. The steering processor is configured to calculate an integration value in which the steering torque amount detected by the steering torque detector is integrated for a predetermined period, and switch the automatic steering to the manual steering when the integration value exceeds an integration threshold.Type: ApplicationFiled: March 10, 2023Publication date: October 5, 2023Inventor: Yoshiyuki IGARASHI
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Publication number: 20230100631Abstract: The present disclosure is directed to providing an electrolyte solution with a long cycle life by suppressing degradation of the battery characteristics under the high temperature condition. There is provided a nonaqueous electrolyte solution comprising a compound comprising 5 to 20 mass % of nitrogen atoms and 25 to 70 mass % of sulfur atoms or oxygen atoms in a molecule and having no disulfide bond in the molecule, wherein the compound comprises at least two sulfur atoms or oxygen atoms in the molecule.Type: ApplicationFiled: December 24, 2020Publication date: March 30, 2023Applicant: LG Energy Solution, Ltd.Inventors: Yoshiyuki Igarashi, Keiko Matsubara
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Patent number: 10862115Abstract: Provided is an anode material for a secondary battery which reduces and inhibits swelling of a high-capacity silicon-containing alloy material to realize excellent charge/discharge cycle characteristics. The anode material includes alloy particles containing a transition metal which has electron conductivity, is difficult to react with lithium atoms and is at least one selected from the group of metals that belong to transition metals, and silicon, wherein the alloy particles include amorphous silicon, and silicide microcrystals formed by silicon and the transition metal, and the silicide microcrystals are scattered in amorphous silicon.Type: GrantFiled: May 30, 2016Date of Patent: December 8, 2020Inventors: Keiko Matsubara, Yoshiyuki Igarashi
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Patent number: 10199640Abstract: Alloy particles for negative electrode active material are proposed, which can impart anti-oxidation property to Si-containing alloy particles, and suppress oxidation of the negative electrode active material due to electrolyte at a considerably high level. A negative electrode material of secondary battery is achieved by a negative electrode material of secondary battery which is capable of intercalating and de-intercalating lithium and which consists of alloy particles including a silicon phase, a metal phase and bismuth, in which a crystallite size of the silicon phase is 10 nm or smaller, and the metal phase includes at least one kind of metal alloying with silicon but not with lithium, and the negative electrode material includes primary particles formed at least by the silicon and the metals.Type: GrantFiled: December 12, 2014Date of Patent: February 5, 2019Assignee: LG Chem, Ltd.Inventors: Keiko Matsubara, Yoshiyuki Igarashi, Mi-Rim Lee, Hye-Ran Jung, Yong-Ju Lee
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Patent number: 10115963Abstract: A negative electrode active material is provided, which can reduce and suppress ratio of expansion of silicon, provide enhanced conductivity, and realize superior charge/discharge cycle characteristic. The negative electrode material for secondary battery capable of occluding and releasing lithium consists of alloy particles having a silicon phase and a metal phase, and a carbonaceous material, in which crystallite size of the silicon phase is 10 nm or less, and the metal phase includes two or more kinds of metals alloying with silicon but not with lithium, and the carbonaceous material has crystallite size of 30 nm or more, and the carbonaceous material is present on the surface of, or within the alloy particles.Type: GrantFiled: December 10, 2014Date of Patent: October 30, 2018Assignee: LG Chem, Ltd.Inventors: Keiko Matsubara, Yoshiyuki Igarashi
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Patent number: 9919612Abstract: A vehicle includes: an electrical storage device; an inlet; a power conversion unit; and an ECU configured to: (a) determine whether the connector connected to the inlet is a charge connector for charging the electrical storage device or a discharge connector for feeding electric power to an external device on the basis of a first signal that is supplied via the inlet; (b) determine whether the discharge connector is a power extracting connector for feeding electric power to a single load or a facility connector for feeding electric power to a facility on the basis of a second signal that is supplied via the inlet when the ECU determines that the connector is the discharge connector; and (c) control an exchange of electric power between the inlet and the electrical storage device with the use of the power conversion unit on the basis of the determination of the connector.Type: GrantFiled: June 20, 2014Date of Patent: March 20, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomoyuki Mizuno, Yoshiyuki Igarashi
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Publication number: 20180069237Abstract: Provided is an anode material for a secondary battery which reduces and inhibits swelling of a high-capacity silicon-containing alloy material to realize excellent charge/discharge cycle characteristics. The anode material includes alloy particles containing a transition metal which has electron conductivity, is difficult to react with lithium atoms and is at least one selected from the group of metals that belong to transition metals, and silicon, wherein the alloy particles include amorphous silicon, and silicide microcrystals formed by silicon and the transition metal, and the silicide microcrystals are scattered in amorphous silicon.Type: ApplicationFiled: May 30, 2016Publication date: March 8, 2018Applicant: LG Chem, Ltd.Inventors: Keiko Matsubara, Yoshiyuki Igarashi
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Publication number: 20180013304Abstract: A discharging control system of a vehicle that supplies power to a load device outside the vehicle via a power cable, includes a connection signal line, a detector, and a controller. The connection signal line is configured such that a potential thereof changes in response to a discharging connector provided on the power cable being connected to the vehicle. The detector is configured to detect the potential of the connection signal line. The controller is configured to control a physical quantity related to the power supplied from the vehicle to the load device, based on the potential detected by the detector.Type: ApplicationFiled: September 20, 2017Publication date: January 11, 2018Applicant: Toyota Jidosha Kabushiki KaishaInventors: Tomoya ONO, Shigeki KINOMURA, Yoshiyuki IGARASHI
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Patent number: 9800070Abstract: A discharging control system of a vehicle that supplies power to a load device outside the vehicle via a power cable, includes a connection signal line, a detector, and a controller. The connection signal line is configured such that a potential thereof changes in response to a discharging connector provided on the power cable being connected to the vehicle. The detector is configured to detect the potential of the connection signal line. The controller is configured to control a physical quantity related to the power supplied from the vehicle to the load device, based on the potential detected by the detector.Type: GrantFiled: October 23, 2013Date of Patent: October 24, 2017Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomoya Ono, Shigeki Kinomura, Yoshiyuki Igarashi
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Publication number: 20170018763Abstract: A negative electrode active material is provided, which can reduce and suppress ratio of expansion of silicon, provide enhanced conductivity, and realize superior charge/discharge cycle characteristic. The negative electrode material for secondary battery capable of occluding and releasing lithium consists of alloy particles having a silicon phase and a metal phase, and a carbonaceous material, in which crystallite size of the silicon phase is 10 nm or less, and the metal phase includes two or more kinds of metals alloying with silicon but not with lithium, and the carbonaceous material has crystallite size of 30 nm or more, and the carbonaceous material is present on the surface of, or within the alloy particles.Type: ApplicationFiled: December 10, 2014Publication date: January 19, 2017Applicant: LG CHEM, LTD.Inventors: Keiko MATSUBARA, Yoshiyuki IGARASHI
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Publication number: 20160308196Abstract: Alloy particles for negative electrode active material are proposed, which can impart anti-oxidation property to Si-containing alloy particles, and suppress oxidation of the negative electrode active material due to electrolyte at a considerably high level. A negative electrode material of secondary battery is achieved by a negative electrode material of secondary battery which is capable of intercalating and de-intercalating lithium and which consists of alloy particles including a silicon phase, a metal phase and bismuth, in which a crystallite size of the silicon phase is 10 nm or smaller, and the metal phase includes at least one kind of metal alloying with silicon but not with lithium, and the negative electrode material includes primary particles formed at least by the silicon and the metals.Type: ApplicationFiled: December 12, 2014Publication date: October 20, 2016Applicant: LG Chem, Ltd.Inventors: Keiko Matsubara, Yoshiyuki Igarashi, Mi-Rim Lee, Hye-Ran Jung, Yong-Ju Lee
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Publication number: 20160152154Abstract: A vehicle includes: an electrical storage device; an inlet; a power conversion unit; and an ECU configured to: (a) determine whether the connector connected to the inlet is a charge connector for charging the electrical storage device or a discharge connector for feeding electric power to an external device on the basis of a first signal that is supplied via the inlet; (b) determine whether the discharge connector is a power extracting connector for feeding electric power to a single load or a facility connector for feeding electric power to a facility on the basis of a second signal that is supplied via the inlet when the ECU determines that the connector is the discharge connector; and (c) control an exchange of electric power between the inlet and the electrical storage device with the use of the power conversion unit on the basis of the determination of the connector.Type: ApplicationFiled: June 20, 2014Publication date: June 2, 2016Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, TOYOTA TURBINE AND SYSTEMS INC.Inventors: Tomoyuki MIZUNO, Yoshiyuki IGARASHI
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Publication number: 20150263560Abstract: A discharging control system of a vehicle that supplies power to a load device outside the vehicle via a power cable, includes a connection signal line, a detector, and a controller. The connection signal line is configured such that a potential thereof changes in response to a discharging connector provided on the power cable being connected to the vehicle. The detector is configured to detect the potential of the connection signal line. The controller is configured to control a physical quantity related to the power supplied from the vehicle to the load device, based on the potential detected by the detector.Type: ApplicationFiled: October 23, 2013Publication date: September 17, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomoya Ono, Shigeki Kinomura, Yoshiyuki Igarashi
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Patent number: 6316859Abstract: Provided is a rotating electric machine in which the cooling capacity is improved by increasing the width and depth of a gas vent groove 12 formed in a creepage block 11 and in which a fracture is prevented near the face of the creepage block 11 abutting against a magnetic winding 4 of the creepage block 11 fabricated from a resin material containing reinforcing fibers. The reinforcing fibers of the creepage block 11 fabricated from a resin material containing reinforcing fibers are continuously disposed to form straight lines and curved lines along the contour of the gas vent groove, whereby the area of interlayer slip face 32 subjected to a shearing force acting on the creepage block due to a temperature change of a rotor 1 is increased and the shearing force per unit a slip area is decreased, thereby to prevent a shearing slip fracture near the face of the creepage block 11 abutting against the magnetic winding 4.Type: GrantFiled: August 31, 2000Date of Patent: November 13, 2001Assignee: Hitachi, Ltd.Inventors: Hiroshi Aoyama, Hidehiro Ejima, Yoshiyuki Igarashi, Toshio Hattori
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Patent number: 4422024Abstract: A wiper control device for a vehicle capable of accurately stopping wiper blades always at the lowermost position of a wiping range regardless of the rotating speed of a wiper motor. The wiper control device automatically stops the wiper motor at the lowermost position of the wiper blades with a control circuit which obtains a sliding angle corresponding to the rotating speed of the wiper motor from the rotating speed of the motor and controls to flow an electric current continuously in the motor during the time while the motor reaches a rotating position even after the motor is interrupted by selecting the cam contact position with respect to the annular electrode. Thus, this wiper control device can eliminate to disturb the visual field of a driver with the wiper blades.Type: GrantFiled: January 7, 1982Date of Patent: December 20, 1983Assignee: Toyota Jidosha Kogyo Kabushiki KaishaInventors: Hajime Itoh, Yoshiyuki Igarashi