Patents by Inventor Kazuhiro Higuchi
Kazuhiro Higuchi 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: 20240014640Abstract: (Problem) To provide an electric cable connection method for joining terminal conductors in an assembled state and a joined electric cable. (Solution to the Problem) An electric cable connection method is a method for connecting exposed terminal conductors 21a of a plurality of covered electric cables 20 so as to be conductive. The electric cable connection method includes an assembly step s2 of assembling the covered electric cables 20; a fixing step s3 of fixing the terminal conductors 21a of the assembly of the plurality of electric cables 20 with a resin cover 50; and a joining step s4 of setting the plurality of covered electric cables having the plurality of terminal conductors 21a fixed with the resin cover 50 in an electric cable connection device 40, and joining the plurality of exposed terminal conductors 21a.Type: ApplicationFiled: September 21, 2023Publication date: January 11, 2024Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.Inventors: Toshihiro NAKAMURA, Kazuhiro HIGUCHI, Yukihiro TORIMOTO, Tomohiro NAKAYAMA, Hiroshi TAKANO, Ryo NAKAGAWA
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Publication number: 20200173328Abstract: A NOx storage reduction type catalyst is equipped in an exhaust passage of an internal combustion engine and purifies NOx in exhaust gas. An ozone supply device supplies ozone to an upstream of the catalyst in the exhaust passage. A NOx sensor is provided at a downstream of the catalyst and detects a NOx amount in exhaust gas. An ECU includes a NOx amount acquisition unit which acquires a detected NOx amount detected by the NOx sensor in a state where the internal combustion engine operates and where the ozone supply device supplies the ozone. The ECU further includes a control unit which performs at least one of an ozone supply amount control by the ozone supply device and an abnormality diagnosis of the ozone supply device based on the detected NOx amount acquired by the NOx amount acquisition unit.Type: ApplicationFiled: February 6, 2020Publication date: June 4, 2020Inventors: Yusuke MAJIMA, Kazuhiro HIGUCHI
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Patent number: 10558310Abstract: An onboard operation apparatus includes an operation panel having an operation face touch-operated on by a fingertip of a user, an output part outputting an operation signal that corresponds to an operation element touch-operated, a vibration instrument causing the user to feel vibration, a position sensor detecting the touch position by a fingertip, and a vibration control part controlling the actuation of the vibration instrument. The onboard operation apparatus further includes a trace calculation part calculating the movement trace of a touch position, and a prediction part predicting whether the touch position reaches a second operation element within a predetermined time. The vibration control part has an entering vibration control part and a holding control part.Type: GrantFiled: March 30, 2017Date of Patent: February 11, 2020Assignee: DENSO CORPORATIONInventor: Kazuhiro Higuchi
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Publication number: 20190138126Abstract: An onboard operation apparatus includes an operation panel having an operation face touch-operated on by a fingertip of a user, an output part outputting an operation signal that corresponds to an operation element touch-operated, a vibration instrument causing the user to feel vibration, a position sensor detecting the touch position by a fingertip, and a vibration control part controlling the actuation of the vibration instrument. The onboard operation apparatus further includes a trace calculation part calculating the movement trace of a touch position, and a prediction part predicting whether the touch position reaches a second operation element within a predetermined time. The vibration control part has an entering vibration control part and a holding control part.Type: ApplicationFiled: March 30, 2017Publication date: May 9, 2019Inventor: Kazuhiro HIGUCHI
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Patent number: 9169792Abstract: An engine control apparatus works to determine target values of a plurality of combustion parameters which represent combustion states of fuel in a combustion engine and are needed to achieve required performances of the combustion engine, calculate a combustion parameter deviation that is a deviation of an actual value of each of the combustion parameters from the target value thereof, select at least one of controlled parameters correlating with the combustion parameters as a function of a degree of a selected one of the combustion parameter deviations for minimizing the selected one of the combustion parameter deviations. The controlled parameters are parameters for controlling operations of actuators working to control the combustion states of the combustion engine. The engine control apparatus controls the one of the controlled parameters, as selected by the controlled parameter selector, to minimize the selected one of the combustion parameter deviations.Type: GrantFiled: March 15, 2012Date of Patent: October 27, 2015Assignee: DENSO CORPORATIONInventors: Shinya Hoshi, Koji Ishizuka, Kazuhiro Higuchi, Sumitaka Ikeda, Yuuki Nakatsuji, Masahiro Asano
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Patent number: 8977471Abstract: A multicylinder engine is provided with a fuel injector for each cylinder. An ECU defines a fuel injection condition of the fuel injector based on an engine driving condition and executes a fuel injection control for each cylinder based on the defined fuel injection condition. The ECU computes an engine speed with respect to each cylinder. While the engine is running, the fuel injection condition is operated in an operation cylinder. A fuel property is determined based on the engine speed of the operation cylinder and an engine speed of a non-operation cylinder.Type: GrantFiled: October 4, 2011Date of Patent: March 10, 2015Assignee: Denso CorporationInventors: Kazuhiro Higuchi, Koji Ishizuka
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Patent number: 8843298Abstract: An engine control system which may be used in automotive vehicles includes first correlation data representing correlations between performance parameters associated with different types of performances of a combustion engine and uncorrelated common factors existing among the performance parameters and second correlation data representing correlations between the common factors and combustion parameters associated with combustion states of fuel in the combustion engine. The engine control system determines target values of the common factors using the first correlation data and also determines target values of the combustion parameters using the second correlation data. The engine control system determines command values as a function of the target values of the combustion parameter and outputs them to actuators which control combustion states of fuel in the engine for achieving desired levels of the performances of the combustion engine.Type: GrantFiled: March 15, 2012Date of Patent: September 23, 2014Assignee: Denso CorporationInventors: Yuuki Nakatsuji, Sumitaka Ikeda, Kazuhiro Higuchi, Koji Ishizuka
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Patent number: 8781712Abstract: An engine control apparatus works to determine a target value of each of performance parameters associated with different types of performances of a combustion engine based on operating conditions of the combustion engine, determine target values of combustion parameters associated with combustion states of fuel in the combustion engine based on the target values of the performance parameters using first correlation data representing correlations between the performance parameters and the combustion parameters, and calculate command values of controlled parameters for actuators as a function of the target values of the combustion parameters. When actual values of the performance parameters are in coincidence with the target values, the system changes or corrects the target value of a selected one of the performance parameters so as to enhance the level of a corresponding one of the performances of the engine based on the other performance parameters.Type: GrantFiled: March 14, 2012Date of Patent: July 15, 2014Assignee: Denso CorporationInventors: Sumitaka Ikeda, Koji Ishizuka, Kazuhiro Higuchi, Yuuki Nakatsuji
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Patent number: 8688353Abstract: An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with a controlled variable arithmetic expression which defines correlations between a plurality of combustion parameters and a plurality of controlled variables of actuators for control of an operation of the engine to calculate a combination of command values to be outputted to the actuators for regulating the controlled variables needed to achieve target values of the combustion parameters. When one of the command values is produced outside an allowable operation range of a corresponding one of the actuators, the engine control apparatus corrects or limits the one of the command values to an upper or a lower limit of the allowable operation range, thereby ensuring the stability in bringing engine output characteristics close to desired values.Type: GrantFiled: November 2, 2010Date of Patent: April 1, 2014Assignee: DENSO CorporationInventors: Youhei Morimoto, Koji Ishizuka, Yoshimitsu Takashima, Kazuhiro Higuchi, Sumitaka Ikeda, Mitsuhiro Nishimura, Masahiro Asano, Satoru Sasaki
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Patent number: 8649955Abstract: An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with at least one of a combustion parameter or a controlled variable arithmetic expression. The combustion parameter arithmetic expression defines combustion conditions of the engine needed to achieve required values of engine output-related values such as exhaust emissions. The controlled variable arithmetic expression defines how to operate actuators for an operation of the engine to meet desired combustion conditions of the engine. The use of the combustion parameter or controlled variable arithmetic expression achieves simultaneous agreement of the engine output-related values with required values without mutual interference between combustion parameters associated with the combustion conditions.Type: GrantFiled: November 1, 2010Date of Patent: February 11, 2014Assignee: Denso CorporationInventors: Sumitaka Ikeda, Koji Ishizuka, Yoshimitsu Takashima, Satoru Sasaki, Kazuhiro Higuchi, Youhei Morimoto, Mitsuhiro Nishimura, Masahiro Asano
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Patent number: 8401762Abstract: An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with a controlled variable arithmetic expression which defines correlations between combustion parameters associated with combustion conditions of an engine and controlled variables actuators for an operation of the engine. This eliminates the need for finding relations of optimum values of the controlled variables to the combustion parameters through adaptability tests, which results in a decrease in burden of an adaptability test work and a map-making work on manufacturers. The engine control apparatus also works to learn or optimize the controlled variable arithmetic expression based on actual values of the combustion parameters, thereby avoiding undesirable changes in correlations, as defined by the controlled variable arithmetic expression, due to a change in environmental condition.Type: GrantFiled: November 2, 2010Date of Patent: March 19, 2013Assignee: Denso CorporationInventors: Masahiro Asano, Yoshimitsu Takashima, Koji Ishizuka, Satoru Sasaki, Kazuhiro Higuchi, Sumitaka Ikeda, Youhei Morimoto, Mitsuhiro Nishimura
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Patent number: 8370065Abstract: An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with at least one of a combustion parameter or a controlled variable arithmetic expression. The combustion parameter arithmetic expression defines combustion conditions of the engine needed to achieve required values of engine output-related values such as exhaust emissions. The controlled variable arithmetic expression defines how to operate actuators for an operation of the engine to meet desired combustion conditions of the engine. The use of the combustion parameter or controlled variable arithmetic expression achieves simultaneous agreement of the engine output-related values with required values without mutual interference between combustion parameters associated with the combustion conditions.Type: GrantFiled: November 2, 2010Date of Patent: February 5, 2013Assignee: Denso CorporationInventors: Yoshimitsu Takashima, Koji Ishizuka, Youhei Morimoto, Mitsuhiro Nishimura, Masahiro Asano, Sumitaka Ikeda, Kazuhiro Higuchi, Satoru Sasaki
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Patent number: 8370050Abstract: The instantaneous interruption detection apparatus includes a noise removing section to remove a noise component from an in-cylinder pressure signal inputted thereto, and output a noise-removed in-cylinder pressure signal, a derivative signal calculating section to calculate a detection signal which is a function of a derivative value of the noise-removed in-pressure signal with respect to the crank angle of an internal combustion engine, an instantaneous interruption determining section configured to make determination that instantaneous interruption of the in-cylinder pressure signal has occurred when the detection signal has exceeded a detection threshold, and a threshold setting section configured to set the detection threshold to such a value that the instantaneous interruption determining section can make the determination in accordance with the noise-removed in-pressure signal which is dull compared to the in-cylinder pressure signal inputted to the noise removing section depending on a gain-frequencyType: GrantFiled: June 9, 2010Date of Patent: February 5, 2013Assignee: Denso CorporationInventors: Mitsuhiro Nishimura, Shinya Hoshi, Youhei Morimoto, Kazuhiro Higuchi
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Publication number: 20120239270Abstract: An engine control apparatus works to determine a target value of each of performance parameters associated with different types of performances of a combustion engine based on operating conditions of the combustion engine, determine target values of combustion parameters associated with combustion states of fuel in the combustion engine based on the target values of the performance parameters using first correlation data representing correlations between the performance parameters and the combustion parameters, and calculate command values of controlled parameters for actuators as a function of the target values of the combustion parameters. When actual values of the performance parameters are in coincidence with the target values, the system changes or corrects the target value of a selected one of the performance parameters so as to enhance the level of a corresponding one of the performances of the engine based on the other performance parameters.Type: ApplicationFiled: March 14, 2012Publication date: September 20, 2012Applicant: DENSO CORPORATIONInventors: Sumitaka IKEDA, Koji ISHIZUKA, Kazuhiro HIGUCHI, Yuuki NAKATSUJI
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Publication number: 20120239273Abstract: An engine control system which may be used in automotive vehicles includes first correlation data representing correlations between performance parameters associated with different types of performances of a combustion engine and uncorrelated common factors existing among the performance parameters and second correlation data representing correlations between the common factors and combustion parameters associated with combustion states of fuel in the combustion engine. The engine control system determines target values of the common factors using the first correlation data and also determines target values of the combustion parameters using the second correlation data. The engine control system determines command values as a function of the target values of the combustion parameter and outputs them to actuators which control combustion states of fuel in the engine for achieving desired levels of the performances of the combustion engine.Type: ApplicationFiled: March 15, 2012Publication date: September 20, 2012Applicant: DENSO CORPORATIONInventors: Yuuki NAKATSUJI, Sumitaka Ikeda, Kazuhiro Higuchi, Koji Ishizuka
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Publication number: 20120239275Abstract: An engine control apparatus works to determine target values of a plurality of combustion parameters which represent combustion states of fuel in a combustion engine and are needed to achieve required performances of the combustion engine, calculate a combustion parameter deviation that is a deviation of an actual value of each of the combustion parameters from the target value thereof, select at least one of controlled parameters correlating with the combustion parameters as a function of a degree of a selected one of the combustion parameter deviations for minimizing the selected one of the combustion parameter deviations. The controlled parameters are parameters for controlling operations of actuators working to control the combustion states of the combustion engine. The engine control apparatus controls the one of the controlled parameters, as selected by the controlled parameter selector, to minimize the selected one of the combustion parameter deviations.Type: ApplicationFiled: March 15, 2012Publication date: September 20, 2012Applicant: DENSO CORPORATIONInventors: Shinya HOSHI, Koji Ishizuka, Kazuhiro Higuchi, Sumitaka Ikeda, Yuuki Nakatsuji, Masahiro Asano
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Publication number: 20120083994Abstract: A multicylinder engine is provided with a fuel injector for each cylinder. An ECU defines a fuel injection condition of the fuel injector based on an engine driving condition and executes a fuel injection control for each cylinder based on the defined fuel injection condition. The ECU computes an engine speed with respect to each cylinder. While the engine is running, the fuel injection condition is operated in an operation cylinder. A fuel property is determined based on the engine speed of the operation cylinder and an engine speed of a non-operation cylinder.Type: ApplicationFiled: October 4, 2011Publication date: April 5, 2012Applicant: DENSO CORPORATIONInventors: Kazuhiro HIGUCHI, Koji Ishizuka
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Publication number: 20110106400Abstract: An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with at least one of a combustion parameter or a controlled variable arithmetic expression. The combustion parameter arithmetic expression defines combustion conditions of the engine needed to achieve required values of engine output-related values such as exhaust emissions. The controlled variable arithmetic expression defines how to operate actuators for an operation of the engine to meet desired combustion conditions of the engine. The use of the combustion parameter or controlled variable arithmetic expression achieves simultaneous agreement of the engine output-related values with required values without mutual interference between combustion parameters associated with the combustion conditions.Type: ApplicationFiled: November 2, 2010Publication date: May 5, 2011Applicant: DENSO CORPORATIONInventors: Yoshimitsu Takashima, Koji Ishizuka, Youhei Morimoto, Mitsuhiro Nishimura, Masahiro Asano, Sumitaka Ikeda, Kazuhiro Higuchi, Satoru Sasaki
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Publication number: 20110106398Abstract: An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with at least one of a combustion parameter or a controlled variable arithmetic expression. The combustion parameter arithmetic expression defines combustion conditions of the engine needed to achieve required values of engine output-related values such as exhaust emissions. The controlled variable arithmetic expression defines how to operate actuators for an operation of the engine to meet desired combustion conditions of the engine. The use of the combustion parameter or controlled variable arithmetic expression achieves simultaneous agreement of the engine output-related values with required values without mutual interference between combustion parameters associated with the combustion conditions.Type: ApplicationFiled: November 1, 2010Publication date: May 5, 2011Applicant: Denso CorporationInventors: Sumitaka Ikeda, Koji Ishizuka, Yoshimitsu Takashima, Satoru Sasaki, Kazuhiro Higuchi, Youhei Morimoto, Mitsuhiro Nishimura, Masahiro Asano
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Publication number: 20110106408Abstract: An engine control apparatus which may be employed in automotive vehicles. The engine control apparatus is equipped with a controlled variable arithmetic expression which defines correlations between a plurality of combustion parameters and a plurality of controlled variables of actuators for control of an operation of the engine to calculate a combination of command values to be outputted to the actuators for regulating the controlled variables needed to achieve target values of the combustion parameters. When one of the command values is produced outside an allowable operation range of a corresponding one of the actuators, the engine control apparatus corrects or limits the one of the command values to an upper or a lower limit of the allowable operation range, thereby ensuring the stability in bringing engine output characteristics close to desired values.Type: ApplicationFiled: November 2, 2010Publication date: May 5, 2011Applicant: DENSO CORPORATIONInventors: Youhei Morimoto, Koji Ishizuka, Yoshimitsu Takashima, Kazuhiro Higuchi, Sumitaka Ikeda, Mitsuhiro Nishimura, Masahiro Asano, Satoru Sasaki