Patents by Inventor Yosuke Kosaka
Yosuke Kosaka 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: 11970644Abstract: Provided is a method for peeling a PSA sheet adhered on a polarizing plate. The PSA sheet has a PSA layer. The PSA layer includes a layer A forming at least one surface of the PSA layer. Of the polarizing plate, the surface to which the PSA sheet is adhered is corona-treated or plasma-treated. The peeling method includes a water-peel step in which the PSA sheet is peeled from the polarizing plate, in a state where an aqueous liquid exits at the interface between the polarizing plate and the PSA sheet at the front line of peeling the PSA sheet from the polarizing plate, with the aqueous liquid allowed to further enter the interface following the movement of the peel front line.Type: GrantFiled: January 28, 2019Date of Patent: April 30, 2024Assignee: NITTO DENKO CORPORATIONInventors: Naofumi Kosaka, Yosuke Shimizu, Satoshi Honda, Taiki Shimokuri, Shou Takarada, Masayuki Satake, Kenichi Okada, Atsushi Takashima, Ginji Mizuhara
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Patent number: 11060465Abstract: A fuel supply system with a fuel pressure sensor includes a failure detection part which sets a first threshold value and a second threshold value which are deviated by first (smaller) and second (larger) predetermined values with respect to a target fuel pressure respectively; immediately detects a possibility of failure in the case where an absolute value of a difference between an output value of the fuel pressure sensor and the target fuel pressure exceeds an absolute value of a difference between the second threshold value and the target fuel pressure; and determines a failure of the fuel pressure sensor in the case where the absolute value of the difference between the output value of the fuel pressure sensor and the target fuel pressure has been exceeding an absolute value of a difference between the first threshold value and the target fuel pressure for a specified time or longer.Type: GrantFiled: June 19, 2019Date of Patent: July 13, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Katsuji Wada
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Patent number: 10677201Abstract: An internal EGR amount calculation device for an internal combustion engine, which is capable of properly and easily calculating an internal EGR amount according to the change in the valve timing and enhancing the calculation accuracy of the internal EGR amount. The device includes an ECU. The ECU calculates an amount of burned gases remaining in a cylinder when the valve timing is predetermined reference timing, as a reference internal EGR amount. The ECU calculates a change in the amount of burned gases flowing into or out of the cylinder with respect to the amount of burned gases flowing into or out of the cylinder when the valve timing is the predetermined reference timing, as an internal EGR increase/decrease amount. Then, the ECU calculates the internal EGR amount by adding the internal EGR increase/decrease amount to the reference internal EGR amount.Type: GrantFiled: June 27, 2013Date of Patent: June 9, 2020Assignee: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Koichiro Shinozaki
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Publication number: 20190390614Abstract: A fuel supply system with a fuel pressure sensor includes a failure detection part which sets a first threshold value and a second threshold value which are deviated by first (smaller) and second (larger) predetermined values with respect to a target fuel pressure respectively; immediately detects a possibility of failure in the case where an absolute value of a difference between an output value of the fuel pressure sensor and the target fuel pressure exceeds an absolute value of a difference between the second threshold value and the target fuel pressure; and determines a failure of the fuel pressure sensor in the case where the absolute value of the difference between the output value of the fuel pressure sensor and the target fuel pressure has been exceeding an absolute value of a difference between the first threshold value and the target fuel pressure for a specified time or longer.Type: ApplicationFiled: June 19, 2019Publication date: December 26, 2019Applicant: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Katsuji Wada
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Patent number: 10240563Abstract: A scavenged gas amount calculation device for an internal combustion engine, which is capable of accurately calculating a scavenged gas amount under conditions where scavenged gases are produced during a valve overlap time period, and an internal EGR amount calculation device for the engine, which is capable of calculating an internal EGR amount using the scavenged gas amount thus calculated. The internal EGR amount calculation device includes an ECU. The ECU calculates a basic blown-back gas amount using an average intake pressure, a maximum exhaust pressure, and a correction coefficient (step 6), calculates a scavenged gas amount using the average intake pressure, a minimum exhaust pressure, and a scavenge ratio (step 8), calculates a blown-back gas amount by correcting the basic blown-back gas amount by the scavenged gas amount (step 11), and calculates the internal EGR amount according to the blown-back gas amount (step 12).Type: GrantFiled: July 15, 2013Date of Patent: March 26, 2019Assignee: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Koichiro Shinozaki
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Patent number: 10233848Abstract: A control apparatus for an internal combustion engine, which is capable of, when controlling a variable intake cam phase mechanism and a variable exhaust cam phase mechanism, ensuring a stable combustion of a mixture and improving the drivability, even when one of the two is in a failure state. The control apparatus includes an ECU. The ECU calculates an intake cam phase and an exhaust cam phase, determines, based on the calculated intake cam phase and exhaust cam phase, whether or not there has occurred a failure state of one of the mechanisms, in which the valve overlap period becomes longer than during a normal time, and controls, when it is determined that there has occurred the failure state of the one mechanism, the other mechanism such that the valve overlap period becomes shorter.Type: GrantFiled: August 5, 2015Date of Patent: March 19, 2019Assignee: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Masaki Ueno, Eri Itou, Yuto Katori
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Patent number: 10132274Abstract: An internal EGR amount calculation device for an internal combustion engine, which, even when a timing position relationship between a valve overlap period and an exhaust top dead center has changed, can properly calculate an internal EGR amount according to the change and can improve a calculation accuracy of the internal EGR amount. The internal EGR amount calculation device for an internal combustion engine includes an ECU. The ECU calculates a basic blow back gas amount, calculates a crank angle position in the center between the starting point and the ending point of the valve overlap period as an overlap center position, calculates a blow back gas amount by correcting the basic blow back gas amount according to the overlap center position, and calculates the internal EGR amount, using the calculated blow back gas amount.Type: GrantFiled: June 4, 2013Date of Patent: November 20, 2018Assignee: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Koichiro Shinozaki
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Patent number: 10113490Abstract: A control apparatus for an internal combustion engine, which, in the case of intake-side and exhaust-side cleaning controls being performed, is capable of ensuring stable combustion of a mixture when the engine is returned from a decelerating FC operation to a normal operation, thereby making it possible to enhance marketability. The control apparatus for the engine includes an ECU. The ECU performs intake-side cleaning control for controlling an intake cam phase CAIN to a predetermined most advanced value CAIN_ADV so as to increase a valve overlap period of an intake valve and an exhaust valve, and performs exhaust-side cleaning control for controlling an exhaust cam phase CAEX to a predetermined most retarded value CAEX_RET so as to increase the valve overlap period of the intake valve and the exhaust valve. Further, during execution of one of the intake-side and exhaust-side cleaning controls, the ECU inhibits execution of the other.Type: GrantFiled: June 23, 2015Date of Patent: October 30, 2018Assignee: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Eri Ito, Masaki Ueno, Yuto Katori
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Patent number: 10001071Abstract: A control system and a control method for an internal combustion engine, which are capable of accurately calculating an in-cylinder gas amount and an EGR ratio by a relatively simple method even in a case where an in-cylinder gas temperature is changed by execution of internal EGR, and properly controlling the engine using the EGR ratio thus calculated. An in-cylinder gas amount Gact actually filled in the cylinder is calculated by correcting an ideal in-cylinder gas amount Gth, which is an amount of gases filled in a cylinder in an ideal state in which it is assumed that no exhaust gases of the engine are recirculated into the cylinder, using an ideal in-cylinder gas temperature Tcylth according to an in-cylinder gas temperature Tcyl, and an EGR ratio REGRT is calculated using the in-cylinder gas amount Gact and an intake air amount Gaircyl.Type: GrantFiled: April 9, 2015Date of Patent: June 19, 2018Assignee: HONDA MOTOR CO., LTD.Inventors: Akihiro Katsuura, Masaki Ueno, Yosuke Kosaka
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Publication number: 20170218864Abstract: A control system and a control method for an internal combustion engine, which are capable of accurately calculating an in-cylinder gas amount and an EGR ratio by a relatively simple method even in a case where an in-cylinder gas temperature is changed by execution of internal EGR, and properly controlling the engine using the EGR ratio thus calculated. An in-cylinder gas amount Gact actually filled in the cylinder is calculated by correcting an ideal in-cylinder gas amount Gth, which is an amount of gases filled in a cylinder in an ideal state in which it is assumed that no exhaust gases of the engine are recirculated into the cylinder, using an ideal in-cylinder gas temperature Tcylth according to an in-cylinder gas temperature Tcyl, and an EGR ratio REGRT is calculated using the in-cylinder gas amount Gact and an intake air amount Gaircyl.Type: ApplicationFiled: April 9, 2015Publication date: August 3, 2017Applicant: Honda Motor co., Ltd.Inventors: Akihiro KATSUURA, Masaki UENO, Yosuke KOSAKA
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Publication number: 20170114728Abstract: A control apparatus for an internal combustion engine, which, in the case of intake-side and exhaust-side cleaning controls being performed, is capable of ensuring stable combustion of a mixture when the engine is returned from a decelerating FC operation to a normal operation, thereby making it possible to enhance marketability. The control apparatus for the engine includes an ECU. The ECU performs intake-side cleaning control for controlling an intake cam phase CAIN to a predetermined most advanced value CAIN_ADV so as to increase a valve overlap period of an intake valve and an exhaust valve, and performs exhaust-side cleaning control for controlling an exhaust cam phase CAEX to a predetermined most retarded value CAEX_RET so as to increase the valve overlap period of the intake valve and the exhaust valve. Further, during execution of one of the intake-side and exhaust-side cleaning controls, the ECU inhibits execution of the other.Type: ApplicationFiled: June 23, 2015Publication date: April 27, 2017Applicant: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Eri Ito, Masaki Ueno, Yuto Katori
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Patent number: 9599536Abstract: A pumping loss calculation device for an internal combustion engine, which is capable of accurately calculating the pumping loss of the engine while reflecting thereon the pumping loss which varies with a change in opening timing of an exhaust valve. The pumping loss calculation device calculates a basic amount of a pumping loss torque based on intake and exhaust pressures, a pumping loss torque of the pumping loss torque of the engine, which varies with a change in the opening timing of the exhaust valve, as an exhaust gas sweep-out loss torque, based on the estimated in-cylinder gas amount and a detected exhaust phase, and the pumping loss torque based on the basic amount and the exhaust gas sweep-out loss torque.Type: GrantFiled: January 28, 2015Date of Patent: March 21, 2017Assignee: HONDA MOTOR CO., LTD.Inventors: Masaki Ueno, Kimitake Ito, Yosuke Kosaka, Akihiro Katsuura, Yuto Katori
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Patent number: 9404457Abstract: A fuel supply system for an internal combustion engine capable of executing calculation of an energization time of the electromagnetic valve at proper timing and thereby properly controlling the amount of fuel to be discharged from the fuel pump toward a fuel injection valve. In the fuel supply system, when a predetermined timing corresponding to a predetermined crank angle position of the engine deviates from a predetermined cam angle timing which is within a predetermined time period including a timing at which a top of a cam nose of the driving cam is abutting a plunger, and preceding and following the timing, and corresponds to a predetermined rotational angle position of the driving cam, the calculation timing of the energization time is corrected such that the calculation timing is made closer to the cam angle timing.Type: GrantFiled: January 8, 2013Date of Patent: August 2, 2016Assignee: HONDA MOTOR CO., LTD.Inventors: Hidekazu Hironobu, Masaaki Nagashima, Yosuke Kosaka
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Publication number: 20160139314Abstract: In order to make it possible to effectively suppress interference fringes which occur due to the difference in refractive index between a retardation layer and a pattern alignment layer while maintaining an alignment property in a retardation film, a retardation film includes a substrate, an alignment layer containing a photo-alignment material, and a retardation layer containing a liquid crystal compound, and the alignment layer contains 3.0-8.0 parts by mass (inclusive) of epoxy monomer with respect to 100 parts by mass of photo-alignment material.Type: ApplicationFiled: July 24, 2014Publication date: May 19, 2016Applicant: DAI NIPPON PRINTING CO., LTD.Inventors: Yuya INOMATA, Ryohei YOSHIDA, Yosuke KOSAKA, Kenji FUJITA
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Patent number: 9310543Abstract: A method for producing a mold for a patterned alignment film for three-dimensional display includes: forming a first layer composed of a metal material or an inorganic material; forming a fine linear three-dimensional structure in a surface of the first layer in an approximately constant direction;F forming a second layer, composed of a metal material or an inorganic material, on the surface of the first layer after the first three-dimensional structure forming step; a second three-dimensional structure forming step of forming a fine linear three-dimensional structure in a surface of the second layer in an approximately constant direction which differs by 90° from that in the first three-dimensional structure forming step; a resist forming step of forming a resist in a parallel stripe pattern on the surface of the second layer after the second three-dimensional structure forming step.Type: GrantFiled: May 17, 2012Date of Patent: April 12, 2016Assignee: Dai Nippon Printing Co., Ltd.Inventors: Kei Katou, Yosuke Kosaka, Rikiya Yamashita, Mitsumasa Koiwa
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Patent number: 9115656Abstract: A control system for an internal combustion engine having a throttle valve disposed in an intake passage of the engine. A target intake air amount of the engine is calculated, and an intake pressure of the engine is estimated. A wide-open intake air amount is calculated according to the engine rotational speed, and a theoretical intake air amount is calculated according to the wide-open intake air amount and the intake pressure. The wide-open intake air amount is an intake air amount corresponding to a state where the throttle valve is fully opened, and the theoretical intake air amount is an intake air amount corresponding to a state where no exhaust gas of the engine is recirculated to a combustion chamber of the engine. further, an exhaust gas recirculation ratio is calculated using the theoretical intake air amount and the target intake air amount, and a target output torque of the engine is calculated using the target intake air amount and the exhaust gas recirculation ratio.Type: GrantFiled: March 13, 2015Date of Patent: August 25, 2015Assignee: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Daisuke Shiomi, Jiro Takagi, Masaya Agata, Kentaro Onuma, Shinobu Ochiai
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Patent number: 9109528Abstract: A control system for an internal combustion engine having a throttle valve disposed in an intake passage of the engine. A target intake air amount of the engine is calculated, and an intake pressure of the engine is estimated. A wide-open intake air amount is calculated according to the engine rotational speed, and a theoretical intake air amount is calculated according to the wide-open intake air amount and the intake pressure. The wide-open intake air amount is an intake air amount corresponding to a state where the throttle valve is fully opened, and the theoretical intake air amount is an intake air amount corresponding to a state where no exhaust gas of the engine is recirculated to a combustion chamber of the engine. further, an exhaust gas recirculation ratio is calculated using the theoretical intake air amount and the target intake air amount, and a target output torque of the engine is calculated using the target intake air amount and the exhaust gas recirculation ratio.Type: GrantFiled: March 13, 2015Date of Patent: August 18, 2015Assignee: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Daisuke Shiomi, Jiro Takagi, Masaya Agata, Kentaro Onuma, Shinobu Ochiai
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Patent number: 9103291Abstract: A control system for an internal combustion engine having a throttle valve disposed in an intake passage of the engine. A target intake air amount of the engine is calculated, and an intake pressure of the engine is estimated. A wide-open intake air amount is calculated according to the engine rotational speed, and a theoretical intake air amount is calculated according to the wide-open intake air amount and the intake pressure. The wide-open intake air amount is an intake air amount corresponding to a state where the throttle valve is fully opened, and the theoretical intake air amount is an intake air amount corresponding to a state where no exhaust gas of the engine is recirculated to a combustion chamber of the engine. further, an exhaust gas recirculation ratio is calculated using the theoretical intake air amount and the target intake air amount, and a target output torque of the engine is calculated using the target intake air amount and the exhaust gas recirculation ratio.Type: GrantFiled: March 13, 2015Date of Patent: August 11, 2015Assignee: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Daisuke Shiomi, Jiro Takagi, Masaya Agata, Kentaro Onuma, Shinobu Ochiai
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Publication number: 20150211961Abstract: A pumping loss calculation device for an internal combustion engine, which is capable of accurately calculating the pumping loss of the engine while reflecting thereon the pumping loss which varies with a change in opening timing of an exhaust valve. The pumping loss calculation device calculates a basic amount of a pumping loss torque based on intake and exhaust pressures, a pumping loss torque of the pumping loss torque of the engine, which varies with a change in the opening timing of the exhaust valve, as an exhaust gas sweep-out loss torque, based on the estimated in-cylinder gas amount and a detected exhaust phase, and the pumping loss torque based on the basic amount and the exhaust gas sweep-out loss torque.Type: ApplicationFiled: January 28, 2015Publication date: July 30, 2015Inventors: Masaki UENO, Kimitake ITO, Yosuke KOSAKA, Akihiro KATSUURA, Yuto KATORI
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Publication number: 20150184608Abstract: A control system for an internal combustion engine having a throttle valve disposed in an intake passage of the engine. A target intake air amount of the engine is calculated, and an intake pressure of the engine is estimated. A wide-open intake air amount is calculated according to the engine rotational speed, and a theoretical intake air amount is calculated according to the wide-open intake air amount and the intake pressure. The wide-open intake air amount is an intake air amount corresponding to a state where the throttle valve is fully opened, and the theoretical intake air amount is an intake air amount corresponding to a state where no exhaust gas of the engine is recirculated to a combustion chamber of the engine. further, an exhaust gas recirculation ratio is calculated using the theoretical intake air amount and the target intake air amount, and a target output torque of the engine is calculated using the target intake air amount and the exhaust gas recirculation ratio.Type: ApplicationFiled: March 13, 2015Publication date: July 2, 2015Applicant: HONDA MOTOR CO., LTD.Inventors: Yosuke Kosaka, Daisuke Shiomi, Jiro Takagi, Masaya Agata, Kentaro Onuma, Shinobu Ochiai