Patents by Inventor Yusuke Koike
Yusuke Koike 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: 11913400Abstract: During a predetermined operation state in which the opening degree of a throttle valve is fixed, an air flow meter positioned more on the upstream side than a pressure control valve detects a first intake air amount when the opening degree of the pressure control valve positioned on the upstream side of the throttle valve is set to a predetermined first valve opening degree and a second intake air amount when the opening degree of the pressure control valve is set to a predetermined second valve opening degree smaller than the first valve opening degree. On the basis of the first intake air amount and the second intake air amount, a diagnosis is made regarding whether there is an abnormality in a first pipe, a second pipe, a third pipe and the like which are included in a blow-by gas recirculation system for blow-by gas treatment.Type: GrantFiled: March 2, 2020Date of Patent: February 27, 2024Assignee: NISSAN MOTOR CO., LTD.Inventors: Yusuke Koike, Takeshi Miyamoto, Hitoshi Ishii
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Publication number: 20240042565Abstract: A processing system includes a cutting tool, a sensor attached to the cutting tool, an analog-to-digital (AD) converter configured to perform sampling on an analog signal output from the sensor to generate a digital signal, and a processing unit. The processing unit is configured to, based on a rotation rate [rpm] of a rotor; an upper-limit period that is an upper-limit value of a process period; and an upper-limit pitch that is an upper-limit value of an angle pitch [degree], determine the process period and a sampling frequency with which the AD converter performs sampling such that a set value of the angle pitch is equal to the upper-limit pitch or less in a time period taken by the rotor to rotate N times with the process period that is equal to the upper-limit period or shorter.Type: ApplicationFiled: December 10, 2020Publication date: February 8, 2024Applicant: Sumitomo Electric Industries, Ltd.Inventor: Yusuke KOIKE
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Publication number: 20240024959Abstract: A cutting tool includes a shaft, and a sensor device disposed in such a manner as to surround a portion of the shaft. The sensor device includes a sensor module including first sensors, a substrate connected to the first sensors, and a wireless communication unit connected to the substrate and configured to transmit a signal including information detected by the first sensors to outside and a housing accommodating the sensor module. A region of the shaft surrounded by the sensor device includes a first region having a shape of a 4n-sided polygon when viewed from a direction in which the rotation axis extends. The plurality of first sensors are arranged on at least two of outer peripheral surfaces of the first region, perpendicular lines of the outer peripheral surfaces passing through the rotation axis and intersecting at 90 degrees.Type: ApplicationFiled: November 24, 2021Publication date: January 25, 2024Applicant: Sumitomo Electric Industries, Ltd.Inventors: Yusuke KOIKE, Hiromitsu KURIYAMA
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Publication number: 20230340922Abstract: During a predetermined operation state in which the opening degree of a throttle valve is fixed, an air flow meter positioned more on the upstream side than a pressure control valve detects a first intake air amount when the opening degree of the pressure control valve positioned on the upstream side of the throttle valve is set to a predetermined first valve opening degree and a second intake air amount when the opening degree of the pressure control valve is set to a predetermined second valve opening degree smaller than the first valve opening degree. On the basis of the first intake air amount and the second intake air amount, a diagnosis is made regarding whether there is an abnormality in a first pipe, a second pipe, a third pipe and the like which are included in a blow-by gas recirculation system for blow-by gas treatment.Type: ApplicationFiled: March 2, 2020Publication date: October 26, 2023Applicant: NISSAN MOTOR CO., LTD.Inventors: Yusuke KOIKE, Takeshi MIYAMOTO, Hitoshi ISHII
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Publication number: 20230166376Abstract: A cutting system includes a cutting tool for milling, a plurality of sensors, and a processor, wherein the cutting tool performs a cutting process using two or more cutting blades, the plurality of sensors measure a physical quantity indicating a state regarding a load of the cutting tool at a time of the cutting process, and the processor generates, based on measurement results of the sensors at a plurality of measurement timings, two-dimensional data for each measurement timing, the two-dimensional data regarding the load in two directions on a plane perpendicular to a rotation axis of the cutting tool, classifies pieces of the generated two-dimensional data into any of a plurality of unit regions, a number of which is equal to or greater than a number of the cutting blades on the plane, and detects, based on the two-dimensional data for each unit region, an abnormality of the cutting blade.Type: ApplicationFiled: April 13, 2020Publication date: June 1, 2023Applicant: Sumitomo Electric Industries, Ltd.Inventor: Yusuke KOIKE
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Patent number: 11542900Abstract: A battery temperature adjusting device for a vehicle on which a battery is mounted, the battery being a lithium ion battery disposed near a powertrain unit inside an engine bay, is provided. The device includes a first air duct provided to an intake passage configured to lead intake air to a combustion chamber of an engine, a second air duct provided to the intake passage and provided with an intake opening that opens toward a space between the powertrain unit and the battery, an intake-air-amount adjusting part, and a controller configured to acquire an ambient temperature of the powertrain unit. The controller increases a ratio of the second intake air amount relative to the sum of the first intake air amount and the second intake air amount, when the ambient temperature exceeds a first threshold temperature, compared with when the ambient temperature is below the first threshold temperature.Type: GrantFiled: November 24, 2020Date of Patent: January 3, 2023Assignee: Mazda Motor CorporationInventors: Yusuke Koike, Yusuke Marutani, Toshiki Takahashi, Wataru Masuda, Takafumi Tanehira, Yuma Yamaga
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Publication number: 20220324032Abstract: A cutting tool includes a shaft portion. The shaft portion includes an increased-diameter portion having a diameter larger than a diameter of other portion of the shaft portion. The increased-diameter portion has a recessed portion formed in a peripheral surface of the increased-diameter portion.Type: ApplicationFiled: August 31, 2020Publication date: October 13, 2022Applicant: Sumitomo Electric Industries, Ltd.Inventor: Yusuke KOIKE
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Patent number: 11446984Abstract: A cooling system is provided to cool fluid used in a device mounted on a vehicle, by exchanging heat with cooler cooling water in a cooler. The system includes a cooling water passage connected to the cooler and having an undercover cooling water passage provided to an undercover, a cooler radiator configured to cool the cooler cooling water by exchanging heat between the cooler cooling water and air flowing into an engine bay from a grille, a flow rate adjuster configured to adjust a flow rate of the cooler cooling water supplied the undercover cooling water passage, and a controller configured to acquire at least a pressure or a temperature of the fluid, and control the flow rate adjuster to increase the flow rate of the cooler cooling water supplied to the undercover cooling water passage based on an increase in the pressure or the temperature of the fluid.Type: GrantFiled: January 26, 2021Date of Patent: September 20, 2022Assignee: Mazda Motor CorporationInventors: Yuma Yamaga, Yusuke Koike, Takafumi Tanehira, Yusuke Mikuni, Kanichi Yamaguchi, Katsutoshi Taninaka
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Publication number: 20220281019Abstract: A rotating tool according to an aspect of the present disclosure is a rotating tool used in a state held by a tool holder, and the rotating tool includes a shaft portion having an end attached to the tool holder, a blade attaching portion or a blade portion provided at an end of the shaft portion opposite to the end, and a plurality of sensors attached to the shaft portion, and the plurality of sensors include an acceleration sensor and a strain sensor.Type: ApplicationFiled: March 11, 2020Publication date: September 8, 2022Applicant: Sumitomo Electric Industries, Ltd.Inventors: Yusuke KOIKE, Tomoya AOKI
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Patent number: 11346272Abstract: A cooling system is provided to cool an engine of a vehicle, which includes a cooling water passage through which cooling water is supplied to a water jacket formed in the engine, and having an undercover cooling water passage provided in an undercover, a radiator provided in the cooling water passage and configured to cool the cooling water by exchanging heat with air flowing into an engine bay from a grille, a flow rate adjuster configured to adjust a cooling water flow rate supplied to the undercover cooling water passage, and a controller configured to acquire a temperature of the cooling water of the water jacket in the engine and, when the temperature is above a temperature threshold, control the flow rate adjuster to increase the flow rate of the cooling water supplied to the undercover cooling water passage compared to when the acquired temperature is below the temperature threshold.Type: GrantFiled: January 27, 2021Date of Patent: May 31, 2022Assignee: Mazda Motor CorporationInventors: Yuma Yamaga, Yusuke Koike, Takafumi Tanehira, Kanichi Yamaguchi, Katsutoshi Taninaka, Yusuke Mikuni
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Patent number: 11346271Abstract: A cooling system configured to cool an engine of a vehicle is provided, which includes a cooling water passage through which cooling water is supplied to a water jacket in the engine, and having an undercover cooling water passage provided in an undercover and where the cooling water is cooled by exchanging heat with air below the undercover, a radiator provided in the cooling water passage and configured to cool the cooling water by exchanging heat with air flowing into an engine bay from a grille, a flow rate adjuster, a grille shutter provided to the grille and configured to change an effective opening area of the grille, and a controller configured to determine abnormality of the grille shutter and control, when determined as abnormal, the flow rate adjuster to increase the flow rate of the cooling water supplied to the undercover cooling water passage.Type: GrantFiled: January 28, 2021Date of Patent: May 31, 2022Assignee: Mazda Motor CorporationInventors: Yuma Yamaga, Yusuke Koike, Takafumi Tanehira, Kanichi Yamaguchi, Katsutoshi Taninaka, Yusuke Mikuni, Yusuke Marutani
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Patent number: 11110526Abstract: A cutting insert according to the present disclosure includes a first surface, a second surface, a side surface, and a cutting edge. The first surface has a rake face continuous to the cutting edge. The cutting edge has a corner cutting edge, a flat cutting edge, and a main cutting edge. The rake face has a first rake face portion, a second rake face portion, and a third rake face portion, the first rake face portion being continuous to the flat cutting edge, the second rake face portion being continuous to the main cutting edge, the third rake face portion being continuous to the corner cutting edge and being located between the first rake face portion and the second rake face portion. The rake face is provided with a level difference portion.Type: GrantFiled: November 30, 2017Date of Patent: September 7, 2021Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Yusuke Koike, Yasuyuki Kanada, Atsuhiko Maeta, Tomoyuki Fukuyama, Yoshinari Nagami, Yuta Morisaki
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Publication number: 20210262424Abstract: A battery temperature adjusting device for a vehicle on which a battery is mounted, the battery being a lithium ion battery disposed near a powertrain unit inside an engine bay, is provided. The device includes a first air duct provided to an intake passage configured to lead intake air to a combustion chamber of an engine, a second air duct provided to the intake passage and provided with an intake opening that opens toward a space between the powertrain unit and the battery, an intake-air-amount adjusting part, and a controller configured to acquire an ambient temperature of the powertrain unit. The controller increases a ratio of the second intake air amount relative to the sum of the first intake air amount and the second intake air amount, when the ambient temperature exceeds a first threshold temperature, compared with when the ambient temperature is below the first threshold temperature.Type: ApplicationFiled: November 24, 2020Publication date: August 26, 2021Inventors: Yusuke Koike, Yusuke Marutani, Toshiki Takahashi, Wataru Masuda, Takafumi Tanehira, Yuma Yamaga
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Publication number: 20210254540Abstract: A cooling system is provided to cool an engine of a vehicle, which includes a cooling water passage through which cooling water is supplied to a water jacket formed in the engine, and having an undercover cooling water passage provided in an undercover, a radiator provided in the cooling water passage and configured to cool the cooling water by exchanging heat with air flowing into an engine bay from a grille, a flow rate adjuster configured to adjust a cooling water flow rate supplied to the undercover cooling water passage, and a controller configured to acquire a temperature of the cooling water of the water jacket in the engine and, when the temperature is above a temperature threshold, control the flow rate adjuster to increase the flow rate of the cooling water supplied to the undercover cooling water passage compared to when the acquired temperature is below the temperature threshold.Type: ApplicationFiled: January 27, 2021Publication date: August 19, 2021Inventors: Yuma Yamaga, Yusuke Koike, Takafumi Tanehira, Kanichi Yamaguchi, Katsutoshi Taninaka, Yusuke Mikuni
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Publication number: 20210252945Abstract: A cooling system is provided to cool fluid used in a device mounted on a vehicle, by exchanging heat with cooler cooling water in a cooler. The system includes a cooling water passage connected to the cooler and having an undercover cooling water passage provided to an undercover, a cooler radiator configured to cool the cooler cooling water by exchanging heat between the cooler cooling water and air flowing into an engine bay from a grille, a flow rate adjuster configured to adjust a flow rate of the cooler cooling water supplied the undercover cooling water passage, and a controller configured to acquire at least a pressure or a temperature of the fluid, and control the flow rate adjuster to increase the flow rate of the cooler cooling water supplied to the undercover cooling water passage based on an increase in the pressure or the temperature of the fluid.Type: ApplicationFiled: January 26, 2021Publication date: August 19, 2021Inventors: Yuma Yamaga, Yusuke Koike, Takafumi Tanehira, Yusuke Mikuni, Kanichi Yamaguchi, Katsutoshi Taninaka
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Publication number: 20210254538Abstract: A cooling system configured to cool an engine of a vehicle is provided, which includes a cooling water passage through which cooling water is supplied to a water jacket in the engine, and having an undercover cooling water passage provided in an undercover and where the cooling water is cooled by exchanging heat with air below the undercover, a radiator provided in the cooling water passage and configured to cool the cooling water by exchanging heat with air flowing into an engine bay from a grille, a flow rate adjuster, a grille shutter provided to the grille and configured to change an effective opening area of the grille, and a controller configured to determine abnormality of the grille shutter and control, when determined as abnormal, the flow rate adjuster to increase the flow rate of the cooling water supplied to the undercover cooling water passage.Type: ApplicationFiled: January 28, 2021Publication date: August 19, 2021Inventors: Yuma Yamaga, Yusuke Koike, Takafumi Tanehira, Kanichi Yamaguchi, Katsutoshi Taninaka, Yusuke Mikuni, Yusuke Marutani
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Publication number: 20210060210Abstract: An object of the present invention is to provide a method for removing highly proliferative Ki67-positive cells co-present in insulin-secreting cells obtained by differentiation induction. A method for producing an insulin-producing cell population or a pancreatic beta cell population containing less than 3% of Ki67-positive cells, comprising: embedding an endocrine progenitor cell population or a cell population at a later stage of differentiation into a gel containing alginic acid; and differentiating the cell population.Type: ApplicationFiled: March 18, 2019Publication date: March 4, 2021Applicants: Kyoto University, Takeda Pharmaceutical Company LimitedInventors: Taro TOYODA, Taisuke MOCHIDA, Yutaka TANOUE, Ryo ITO, Koya KIMOTO, Yusuke KOIKE, Hikaru UENO
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Patent number: 10875105Abstract: A cutting edge has a corner cutting edge, a flat drag, and a main cutting edge. The rake surface has a first rake surface portion, a second rake surface portion, and a third rake surface portion. The first rake surface portion has a first inclined surface inclined at a first angle. The second rake surface portion has a second inclined surface inclined at a second angle greater than the first angle. The first end portion and the second end portion are higher than the reference surface in a direction perpendicular to the reference surface, and the main cutting edge extends so as to intersect the reference surface when viewed in a direction parallel to the reference surface. A first step portion rising from the third rake surface portion and continuous with the first rake surface portion is provided on the rake surface.Type: GrantFiled: December 27, 2016Date of Patent: December 29, 2020Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Yusuke Koike, Yuta Morisaki, Yasuyuki Kanada, Atsuhiko Maeta, Tomoyuki Fukuyama, Yoshinari Nagami
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Patent number: 10875106Abstract: The cutting edge has: a corner cutting edge; a flat cutting edge continuous to a first end portion of the corner cutting edge; and a main cutting edge continuous to a second end portion of the corner cutting edge opposite to the first end portion of the corner cutting edge. The rake face has: a first rising surface portion; and a first rake face portion continuous to the first rising surface portion and located opposite to the corner cutting edge when viewed from the first rising surface portion. When viewed in a direction perpendicular to the reference surface, the first boundary includes a first line segment extending, from one of the flat cutting edge and the corner cutting edge, in a direction crossing a straight line extending along the main cutting edge.Type: GrantFiled: January 16, 2018Date of Patent: December 29, 2020Assignee: Sumitomo Electric Hardmetal Corp.Inventors: Shota Tsujimoto, Yusuke Koike, Yasuyuki Kanada, Atsuhiko Maeta, Tomoyuki Fukuyama, Yoshinari Nagami
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Patent number: 10830186Abstract: A premixed compression ignition engine system includes an engine, a fuel injector, a water injector, and a controller. The controller conducts: a compression-stroke mid-period injection that causes a fuel injector to inject fuel to form a fuel-air mixture in a surrounding space of a combustion chamber; a compression top-dead-center injection that causes the fuel injector to inject fuel to form a fuel-air mixture in the central space of the combustion chamber after the compression-stroke mid-period injection; and a water injection that causes a water injector to inject water to the surrounding space of the combustion chamber at a timing from commencement of the compression-stroke mid-period injection to commencement of the compression top-dead-center injection.Type: GrantFiled: October 5, 2017Date of Patent: November 10, 2020Assignee: Mazda Motor CorporationInventors: Tohru Hokazono, Kota Maekawa, Yoshihisa Nakamoto, Masaharu Marumoto, Yusuke Koike, Ryohei Ono