Patents by Inventor Shunichi Mizobe
Shunichi Mizobe 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: 10416239Abstract: A battery monitoring apparatus capable of reducing power consumption. At least one monitoring integrated circuit (IC) is electrically connected to a high-voltage battery formed of a plurality of cells and configured to monitor the high-voltage battery in a plurality of modes of operation. A low-voltage power supply circuit can deliver power of a lower voltage than the power of the high-voltage battery to the at least one monitoring IC. A power supply to the at least one monitoring IC is selected from a group of the high-voltage battery and the low-voltage power supply circuit depending on the mode of operation the at least one monitoring IC.Type: GrantFiled: July 20, 2018Date of Patent: September 17, 2019Assignee: DENSO CORPORATIONInventor: Shunichi Mizobe
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Publication number: 20180328994Abstract: A battery monitoring apparatus capable of reducing power consumption. At least one monitoring integrated circuit (IC) is electrically connected to a high-voltage battery formed of a plurality of cells and configured to monitor the high-voltage battery in a plurality of modes of operation. A low-voltage power supply circuit can deliver power of a lower voltage than the power of the high-voltage battery to the at least one monitoring IC. A power supply to the at least one monitoring IC is selected from a group of the high-voltage battery and the low-voltage power supply circuit depending on the mode of operation the at least one monitoring IC.Type: ApplicationFiled: July 20, 2018Publication date: November 15, 2018Applicant: DENSO CORPORATIONInventor: Shunichi MIZOBE
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Patent number: 10054642Abstract: A battery monitoring apparatus capable of reducing power consumption. At least one monitoring integrated circuit (IC) is electrically connected to a high-voltage battery formed of a plurality of cells and configured to monitor the high-voltage battery in a plurality of modes of operation. A low-voltage power supply circuit can deliver power of a lower voltage than the power of the high-voltage battery to the at least one monitoring IC. A power supply to the at least one monitoring IC is selected from a group of the high-voltage battery and the low-voltage power supply circuit depending on the mode of operation the at least one monitoring IC.Type: GrantFiled: October 15, 2014Date of Patent: August 21, 2018Assignee: DENSO CORPORATIONInventors: Shunichi Mizobe, Tsuneo Maebara, Ryotaro Miura, Masaya Itou
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Patent number: 9735767Abstract: An electronic control apparatus includes a switching element; an ON-drive constant-current circuit supplying a constant current to the control terminal of the switching element thereby charging the control terminal of the switching element; an OFF-drive switching element discharging electrical charge from the control terminal of the switching element by being turned ON; and a control circuit adapted to control the ON-drive constant-current circuit and the OFF-drive switching element in response to a drive signal being inputted, thereby controlling the voltage of the control terminal of the switching element so as to drive the switching element. The control circuit controls the current control transistor based on the voltage of the current detection resistor and supplies the constant current to the control terminal of the switching element, and detects an abnormality in the ON-drive constant-current circuit based on the voltage of the current detection resistor.Type: GrantFiled: January 12, 2012Date of Patent: August 15, 2017Assignee: DENSO CORPORATIONInventors: Kazunori Watanabe, Shunichi Mizobe, Tsuneo Maebara
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Patent number: 9647301Abstract: A battery monitoring apparatus monitors a battery pack configured by a plurality of battery cells. The battery monitoring apparatus includes a main monitoring unit, a sub monitoring unit and a control unit. The main monitoring unit monitors a plurality of physical quantities indicating a battery state of the battery pack. The sub monitoring unit monitors a part of the physical quantities separately from the main monitoring unit. The control unit detects malfunction of the battery pack on the basis of at least one of a monitoring result of the main monitoring unit and a monitoring result of the sub monitoring unit.Type: GrantFiled: November 27, 2013Date of Patent: May 9, 2017Assignee: DENSO CORPORATIONInventors: Shunichi Mizobe, Tsuneo Maebara, Masaya Itou
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Publication number: 20150171487Abstract: A monitoring device has a control unit and monitoring units. A substrate of each monitoring unit has a high voltage section and a low voltage section. A cell monitoring IC detects a state of battery cells in the battery pack and is mounted in the high voltage side in a substrate of each monitoring unit. A photocoupler or capacitor is arranged between an input connector and the cell monitoring IC of each monitoring unit. A photocoupler or capacitor is arranged between an output connector of the substrate and the cell monitoring IC. The cell monitoring IC receives an input signal through the input connector and the photocoupler or capacitor, and transmits an output signal to the other monitoring unit or the control unit through the photocoupler or capacitor and the output connector.Type: ApplicationFiled: December 9, 2014Publication date: June 18, 2015Inventors: Masaya ITOU, Shunichi MIZOBE
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Publication number: 20150111073Abstract: A battery pack unit includes: a plurality of battery cells each having an electrode; a battery pack constituted by the plurality of battery cells being laminated in a lamination direction; an electrode connecting member electrically connecting electrodes of mutually adjacent battery cells; a cell monitor substrate that monitors a state of every battery cell and a control unit electrically connected to the cell monitor substrate, receiving a signal transmitted from the cell monitor substrate. The cell monitor substrate and the control unit are arranged in the lamination direction and arranged in parallel with the electrode connecting member at a side of the electrode surface.Type: ApplicationFiled: October 22, 2014Publication date: April 23, 2015Inventors: Masashi DERIHA, Shunichi MIZOBE, Hayato MIZOGUCHI, Tomomichi MIZOGUCHI
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Publication number: 20150108992Abstract: In a battery monitoring system, an input current flowing through an input portion of an isolator member is larger than an output current flowing through an output portion of the isolator member. The output portion is electrically isolated from the input portion. The input and output portions of the isolator member are connected respectively to first and second circuits included in a group of the control circuit and the plurality of monitoring circuits. The first and second circuits are selected for the isolator member, The first and second circuits respectively serve as a sender and a receiver. The isolator member transfers serial data sent from the sender to the receiver while the sender and the receiver are electrically isolated from each other. The isolator is mounted on a substrate included in the control and monitoring substrates. The receiver is mounted on the substrate.Type: ApplicationFiled: October 16, 2014Publication date: April 23, 2015Inventors: Masakazu KOUDA, Shunichi MIZOBE, Hayato MIZOGUCHI
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Publication number: 20150102820Abstract: A battery monitoring apparatus capable of reducing power consumption. At least one monitoring integrated circuit (IC) is electrically connected to a high-voltage battery formed of a plurality of cells and configured to monitor the high-voltage battery in a plurality of modes of operation. A low-voltage power supply circuit can deliver power of a lower voltage than the power of the high-voltage battery to the at least one monitoring IC. A power supply to the at least one monitoring IC is selected from a group of the high-voltage battery and the low-voltage power supply circuit depending on the mode of operation the at least one monitoring IC.Type: ApplicationFiled: October 15, 2014Publication date: April 16, 2015Inventors: Shunichi MIZOBE, Tsuneo MAEBARA, Ryotaro MIURA, Masaya ITOU
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Publication number: 20140147713Abstract: A battery monitoring apparatus monitors a battery pack configured by a plurality of battery cells. The battery monitoring apparatus includes a main monitoring unit, a sub monitoring unit and a control unit. The main monitoring unit monitors a plurality of physical quantities indicating a battery state of the battery pack. The sub monitoring unit monitors a part of the physical quantities separately from the main monitoring unit. The control unit detects malfunction of the battery pack on the basis of at least one of a monitoring result of the main monitoring unit and a monitoring result of the sub monitoring unit.Type: ApplicationFiled: November 27, 2013Publication date: May 29, 2014Applicant: DENSO CORPORATIONInventors: Shunichi Mizobe, Tsuneo Maebara, Masaya Itou
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Patent number: 8497728Abstract: An electronic control apparatus includes a switching element having a control terminal; an ON-drive constant-current circuit for supplying a constant current to the control terminal, thereby charging the control terminal of the switching element with electrical charge; an OFF-drive switching element for discharging electrical charge from the control terminal of the switching element by being turned ON; and a control circuit adapted to control the ON-drive constant-current circuit and the OFF-drive switching element in response to a drive signal being inputted, thereby controlling the voltage of the control terminal of the switching element to drive the switching element. The ON-drive constant-current circuit includes a current control transistor and a current detection element.Type: GrantFiled: January 25, 2012Date of Patent: July 30, 2013Assignee: Denso CorporationInventors: Shunichi Mizobe, Tsuneo Maebara, Kazunori Watanabe
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Publication number: 20120188001Abstract: An electronic control apparatus includes a switching element having a control terminal; an ON-drive constant-current circuit for supplying a constant current to the control terminal, thereby charging the control terminal of the switching element with electrical charge; an OFF-drive switching element for discharging electrical charge from the control terminal of the switching element by being turned ON; and a control circuit adapted to control the ON-drive constant-current circuit and the OFF-drive switching element in response to a drive signal being inputted, thereby controlling the voltage of the control terminal of the switching element to drive the switching element. The ON-drive constant-current circuit includes a current control transistor and a current detection element.Type: ApplicationFiled: January 25, 2012Publication date: July 26, 2012Applicant: DENSO CORPORATIONInventors: Shunichi Mizobe, Tsuneo Maebara, Kazunori Watanabe
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Publication number: 20120176117Abstract: An electronic control apparatus includes a switching element; an ON-drive constant-current circuit supplying a constant current to the control terminal of the switching element thereby charging the control terminal of the switching element; an OFF-drive switching element discharging electrical charge from the control terminal of the switching element by being turned ON; and a control circuit adapted to control the ON-drive constant-current circuit and the OFF-drive switching element in response to a drive signal being inputted, thereby controlling the voltage of the control terminal of the switching element so as to drive the switching element. The control circuit controls the current control transistor based on the voltage of the current detection resistor and supplies the constant current to the control terminal of the switching element, and detects an abnormality in the ON-drive constant-current circuit based on the voltage of the current detection resistor.Type: ApplicationFiled: January 12, 2012Publication date: July 12, 2012Applicant: DENSO CORPORATIONInventors: Kazunori WATANABE, Shunichi Mizobe, Tsuneo Maebara