Patents by Inventor Yusuke KAMIYA
Yusuke KAMIYA 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: 20240091771Abstract: An assay device and an assay method are each capable of ensuring the accuracy of a target substance detection section.Type: ApplicationFiled: September 17, 2021Publication date: March 21, 2024Inventors: Yusuke FUCHIWAKI, Masato TANAKA, Shohei YAMAMURA, Naoki MORISHITA, Kumiko KAMIYA, Seiichiro MATSUZAKI
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Patent number: 11932218Abstract: A vehicle brake system, including: a first-braking-force control mechanism configured to control a first braking force, a second-braking-force control mechanism configured to control a second braking force, an abnormal-state detecting device configured to detect whether the first-braking-force control mechanism is in an abnormal state, a pseudo-abnormal-state detecting device configured to detect whether the first-braking-force control mechanism is in a pseudo abnormal state in which the first-braking-force control mechanism is suspected to be in the abnormal state, and a controller including a pseudo abnormal state controller configured to control the second-braking-force control mechanism in an operating state of the first-braking-force control mechanism so as to control the second braking force when the pseudo-abnormal-state detecting device detects that the first-braking-force control mechanism is in the pseudo abnormal state.Type: GrantFiled: December 21, 2021Date of Patent: March 19, 2024Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Takahiro Okano, Yusuke Kamiya, Tatsushi Kobayashi, Shimpei Kodani
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Publication number: 20230303044Abstract: A vehicle braking device includes a braking actuator, a hydraulic pressure generation device, a hydraulic pressure sensor, and an electronic control unit. The electronic control unit is configured to execute an upstream pressure maintaining process of controlling the hydraulic pressure generation device to increase and maintain the upstream hydraulic pressure, a downstream pressurization process of controlling the braking actuator such that hydraulic fluid is supplied to the wheel cylinder through the hydraulic pressure flow path in a state in which the upstream hydraulic pressure is maintained, and a failure determination process of determining that a failure has occurred in the braking actuator in a case where the upstream hydraulic pressure is not decreased to be equal to or lower than a determination threshold value as the downstream pressurization process is executed.Type: ApplicationFiled: February 8, 2023Publication date: September 28, 2023Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Yusuke KAMIYA
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Publication number: 20220306781Abstract: A member to be compressed for an electrochemical device obtained by crosslinking a crosslinkable composition containing a fluorine-containing elastomer containing a unit based on at least one crosslinkable group-containing monomer selected from the group consisting of a crosslinkable group-containing monomer (1) represented by the general formula (1): CX12?CF—Rf1—X2 wherein each X1 independently represents H or F, and Rf1 represents a fluorinated alkylene group or a fluorinated oxyalkylene group, and X2 represents I or Br; and a crosslinkable group-containing monomer (2) represented by the general formula (2): CX32?CX3—Z1—CX3?CX32 wherein each X3 independently represents H, F, an alkyl group or a fluorinated alkyl group, and Z1 represents an alkylene group, a fluorinated alkylene group, a cycloalkylene group, a fluorinated cycloalkylene group, an oxyalkylene group or a fluorinated oxyalkylene group.Type: ApplicationFiled: June 15, 2020Publication date: September 29, 2022Applicant: DAIKIN INDUSTRIES, LTDInventors: Yusuke KAMIYA, Takahiro FURUTANI, Kouhei TAKEMURA, Riku YAMAGUCHI, Keisuke SHIOMI, Masaki IRIE
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Publication number: 20220281424Abstract: A vehicle control system includes a brake mechanism and a first power source. The brake mechanism includes: a hydraulic brake provided for a vehicle wheel to suppress rotation of the wheel in accordance with a hydraulic pressure; a hydraulic pressure supply device including a high-pressure source that supplies a high hydraulic pressure, and first and second electromagnetic valves, to supply the hydraulic pressure to the hydraulic brake by controlling the first electromagnetic valve using the hydraulic pressure; and a control device that performs drive assist control by controlling the hydraulic pressure supply device. The first power source supplies power to the brake mechanism. The control device supplies a current to a solenoid of the first electromagnetic valve while suspending supply of a current to a solenoid of the second electromagnetic valve when a voltage of the first power source is lower than a set voltage during the drive assist control.Type: ApplicationFiled: January 27, 2022Publication date: September 8, 2022Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Misuzu SHIMAZAKI, Yusuke KAMIYA, Tatsushi KOBAYASHI
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Publication number: 20220251262Abstract: Provided is a member to be compressed for an electrochemical device obtained by crosslinking a crosslinkable composition containing a fluorine-containing elastomer, wherein the fluorine-containing elastomer exhibits a difference ?G? (G?(100° C.)?G?(180° C.)) between the storage elastic modulus G?(100° C.) at a measurement temperature of 100° C. and the storage elastic modulus G?(180° C.) at a measurement temperature of 180° C., in the dynamic viscoelasticity test (strain amplitude: 0.5 Deg; frequency: 100 CPM) with a rubber process analyzer satisfying the following conditions: 40 kPa<?G?<175 kPa.Type: ApplicationFiled: June 15, 2020Publication date: August 11, 2022Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Yusuke KAMIYA, Takahiro FURUTANI, Kouhei TAKEMURA, Keisuke SHIOMI, Masaki IRIE
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Patent number: 11400899Abstract: A braking force control apparatus includes a fluid pressure generation mechanism, a braking mechanism and an electric control unit. The fluid pressure generation mechanism causes a braking mechanism to generate a required fluid pressure. The braking mechanism applies a braking force depending on the required fluid pressure to each of wheels through the pressing of a braking member against a rotating rotary member due to the required fluid pressure. The electronic control unit performs, when the required fluid pressure is generated and a vehicle state shifts from a running state to a stopped state at a first time point, stop-time boost control to boost the required fluid pressure at and after the first time point.Type: GrantFiled: May 18, 2020Date of Patent: August 2, 2022Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Yusuke Kamiya, Hayato Kubota
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Publication number: 20220227341Abstract: A vehicle brake system, including: a first hydraulic-pressure control mechanism and a second hydraulic-pressure control mechanism configured to control a braking force; and a controller including a first-abnormal-state detecting device configured to detect whether the first hydraulic-pressure control mechanism is in a first abnormal state, a second-abnormal-state detecting device configured to detect whether the first hydraulic-pressure control mechanism is in a second abnormal state that the first hydraulic-pressure control mechanism reaches before reaching the first abnormal state, and an assist control device configured to control the second braking-force control mechanism so as to control the braking force when an assist wait time elapses after the second-abnormal-state detecting device has detected that the first hydraulic-pressure control mechanism is in the second abnormal state, the assist wait time being determined based on a temperature of a working fluid obtained by a temperature obtaining device oType: ApplicationFiled: January 11, 2022Publication date: July 21, 2022Applicants: Toyota Jidosha Kabushiki Kaisha, ADVICS CO., LTD.Inventors: Misuzu SHIMAZAKI, Yusuke Kamiya, Ken Kuzuya
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Publication number: 20220194351Abstract: A vehicle brake system, including: a first-braking-force control mechanism configured to control a first braking force, a second-braking-force control mechanism configured to control a second braking force, an abnormal-state detecting device configured to detect whether the first-braking-force control mechanism is in an abnormal state, a pseudo-abnormal-state detecting device configured to detect whether the first-braking-force control mechanism is in a pseudo abnormal state in which the first-braking-force control mechanism is suspected to be in the abnormal state, and a controller including a pseudo abnormal state controller configured to control the second-braking-force control mechanism in an operating state of the first-braking-force control mechanism so as to control the second braking force when the pseudo-abnormal-state detecting device detects that the first-braking-force control mechanism is in the pseudo abnormal state.Type: ApplicationFiled: December 21, 2021Publication date: June 23, 2022Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Takahiro OKANO, Yusuke KAMIYA, Tatsushi KOBAYASHI, Shimpei KODANI
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Publication number: 20210292450Abstract: A composition including a fluorine-containing polymer and a cross-linking agent, wherein the fluorine-containing polymer contains a vinylidene fluoride unit, a unit of a fluorine-containing monomer (1) represented by the following general formula (1): CHX1?CX2Rf ??(1) wherein one of X1 and X2 is H, the other is F, and Rf is a linear or branched fluoroalkyl group having 1 to 12 carbon atoms, and a unit of a monomer providing a crosslinking site. The monomer providing a crosslinking site is a monomer having at least one crosslinkable group selected from a cyano group, a carboxyl group, an alkoxycarbonyl group and a hydroxyl group. Also disclosed is a crosslinked rubber molded article obtained by crosslinking the composition.Type: ApplicationFiled: July 22, 2019Publication date: September 23, 2021Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Takahiro FURUTANI, Rina TAMAI, Eisaku SUMINO, Yusuke KAMIYA, Junpei TERADA, Masaki IRIE
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Publication number: 20210024664Abstract: A molded product having a surface that is to be in contact with a coolant, the surface being formed of a crosslinked product of an amorphous fluorine-containing elastomer having a glass transition temperature of 25° C. or less, the fluorine-containing elastomer being a copolymer of: vinylidene fluoride; a fluorine-containing monomer represented by formula (1) below: CHXa?CXbRf??(1) wherein one of Xa and Xb is H, the other thereof is F, and Rf is a linear or branched fluoroalkyl group having 1 to 12 carbon atoms; and another monomer copolymerizable therewith, wherein a molar ratio of units of the vinylidene fluoride to units of the fluorine-containing monomer is 87/13 to 20/80, and units of the other monomer account for 0 to 50 mol % based on all monomer units.Type: ApplicationFiled: March 26, 2019Publication date: January 28, 2021Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Junpei TERADA, Yusuke KAMIYA, Takahiro FURUTANI
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Patent number: 10870417Abstract: The vehicle braking device includes a pilot pressure control portion which executes normal control in which the pilot pressure is controlled in response to the target value of the servo pressure and shortening control in which the change amount of the pilot pressure per unit time is greater than the change amount under the normal control in a mutually different timing, a state judging portion which judges the state of the master piston relating hysteresis of sliding resistance of the master piston based on the detection result of the servo pressure detecting portion or the liquid pressure co-relating with the servo premeasure and a control switching over portion which terminates the shortening control based on the detection result of the servo pressure detecting portion and the detection result of the state judging portion.Type: GrantFiled: March 12, 2019Date of Patent: December 22, 2020Assignees: ADVICS CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masaki Ninoyu, Yusuke Kamiya
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Publication number: 20200392323Abstract: An air management system component containing a crosslinked fluoroelastomer layer obtained by crosslinking a fluoroelastomer composition that contains a peroxide-crosslinkable fluoroelastomer and a hydrotalcite compound. Also disclosed is the fluoroelastomer composition.Type: ApplicationFiled: November 5, 2018Publication date: December 17, 2020Applicant: DAIKIN INDUSTRIES, LTD.Inventors: Kouhei TAKEMURA, Yusuke KAMIYA
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Patent number: 10865834Abstract: A sealing structure with an annular pocket and a sealing device includes an annular pocket and a sealing device. The pocket is provided in a slinger, and the sealing device is attached to a housing of a differential device. The slinger is arranged on an output shaft of the differential device. A recessed part of the pocket is defined by an inner peripheral tubular portion, an outer peripheral tubular portion and a bottom portion of the slinger. The outer peripheral surface of the pocket is formed in the outer peripheral tubular portion of the slinger. The outer peripheral surface of the pocket increases in diameter toward the outside in an axis direction. A side lip of the sealing device extends in the outward direction, and an annular gap is formed between the side lip and the pocket.Type: GrantFiled: November 19, 2018Date of Patent: December 15, 2020Assignee: NOK CORPORATIONInventors: Yusuke Kamiya, Hiroki Matsui, Shinya Omoto, Toru Nakashima, Hirotaka Mizuta
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Publication number: 20200369247Abstract: A braking force control apparatus includes a fluid pressure generation mechanism, a braking mechanism and an electric control unit. The fluid pressure generation mechanism causes a braking mechanism to generate a required fluid pressure. The braking mechanism applies a braking force depending on the required fluid pressure to each of wheels through the pressing of a braking member against a rotating rotary member due to the required fluid pressure. The electronic control unit performs, when the required fluid pressure is generated and a vehicle state shifts from a running state to a stopped state at a first time point, stop-time boost control to boost the required fluid pressure at and after the first time point.Type: ApplicationFiled: May 18, 2020Publication date: November 26, 2020Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, ADVICS CO., LTD.Inventors: Yusuke KAMIYA, Hayato KUBOTA
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Patent number: 10663031Abstract: To provide a sealing structure with an annular pocket and a sealing apparatus that can efficiently reduce exposure of a seal lip of the sealing apparatus to foreign matter entering from the outside. In a sealing structure (1) with a torsional damper and an oil seal, a hub pocket (30) has an outer circumferential surface (31) in an annular shape centered about an axis x that extends along the axis x and is formed in an outer shell part (33) that is opposed to a shaft member on an outer periphery side, a dust discharging hole (36s) or a dust discharging groove (36sa) connected to the hub pocket (30) is formed in the outer shell part (33), and the dust discharging hole (36s) or the dust discharging groove (36sa) is inclined at a predetermined angle in such a manner that a discharge opening (36sout) is directed in an opposite direction to a rotational direction of the shaft member.Type: GrantFiled: June 1, 2018Date of Patent: May 26, 2020Assignee: NOK CORPORATIONInventors: Akihiro Komyo, Yusuke Kamiya, Shinya Omoto, Toru Nakashima, Shota Toma
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Patent number: 10618504Abstract: The braking device for a vehicle includes an operation judging portion which judges whether or not the operating amount in the increasing stage is equal to or more than a predetermined threshold amount or whether or not an increasing speed of the operating amount in the increasing stage is equal to or more than a predetermined threshold speed and a control portion which selects the first operating mode as the operating mode from a start of the increasing stage until a first timing or a second timing and selects the second operating mode as the operating mode in the increasing stage after the first timing or the second timing and at the same time maintains the drive hydraulic pressure in the increasing stage after the first timing or the second timing.Type: GrantFiled: November 24, 2016Date of Patent: April 14, 2020Assignees: ADVICS CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Yoshimitsu Ozeki, Yusuke Kamiya
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Patent number: 10604129Abstract: Provided is a brake device capable of detecting abnormality condition of a subject valve without using a wheel pressure sensor and the vehicle brake device includes a valve which is configured to open and close a fluid passage connected to the master chamber and at the same time which is a subject valve for a subject of failure judgement and an abnormality judging portion which is configured to judge whether or not the subject valve is in an abnormal state based on an advancement amount of the master piston accompanying an opening of the subject valve.Type: GrantFiled: January 29, 2016Date of Patent: March 31, 2020Assignees: ADVICS CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tatsushi Kobayashi, Masaaki Komazawa, Yusuke Kamiya
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Patent number: 10471944Abstract: A vehicle brake device provided with a hydraulic pressure generating portion, an actuator and a controlling portion which maintains a driving force of the driving portion when a control subject pressure in a control subject chamber is within a dead zone, wherein the control subject pressure varies in response to a variation of the master pressure and a pulsation is generated in the master pressure accompanying an operation of the actuator. The vehicle brake device further includes a rigidity information obtaining portion which obtains a rigidity information and a dead zone setting portion which sets the dead zone based on the rigidity information obtained by the rigidity information obtaining portion such that the higher the rigidity of the control subject chamber, or the higher the probability of rigidity increase of the control subject chamber, the wider the dead zone is set.Type: GrantFiled: July 20, 2016Date of Patent: November 12, 2019Assignees: ADVICS CO., LTD., TOYOTA-JIDOSHA KABUSHIKI KAISHAInventors: Yusuke Kamiya, Takahiro Okano
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Patent number: 10449943Abstract: A brake ECU (abnormality detection device) includes: an operating amount obtaining portion configured to obtain a measurement value of a stroke; a hydraulic pressure obtaining portion configured to obtain a measurement value of a reaction force hydraulic pressure having a mutual relationship with respect to the stroke; an operation direction determining portion configured to determine directions of operation of outputs from a stroke sensor and a pressure sensor; a failure detection range switching portion configured to switch the failure detection range for detecting failures of a hydraulic pressure braking force generating device in accordance with the direction of operation; and a failure determining portion configured to determine the failure of the hydraulic pressure braking force generating device from the failure detection range switched by the failure detection range switching portion, the measurement value of the stroke, and the measurement value of the reaction force hydraulic pressure.Type: GrantFiled: August 25, 2016Date of Patent: October 22, 2019Assignees: ADVICS CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takahiro Okano, Yusuke Kamiya, Masaaki Komazawa, Takeshi Okawa