Patents by Inventor Mitsuaki Morimoto
Mitsuaki Morimoto 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: 20230391228Abstract: Positive electrode-side input terminal is connected to first positive electrode-side battery terminal, negative electrode-side input terminal is connected to second negative electrode-side battery terminal, a switch is connected between first negative electrode-side battery terminal and second positive electrode-side battery terminal, between second positive electrode-side battery terminal and first connection point between positive electrode-side input terminal and first positive electrode-side battery terminal, and between first negative electrode-side battery terminal and second connection point between negative electrode-side input terminal and second negative electrode-side battery terminal, positive electrode-side output terminal is connected to positive electrode-side converter output terminal, negative electrode-side output terminal is connected to negative electrode-side converter output terminal, positive electrode-side converter input terminal is connected to a line connecting positive electrode-siType: ApplicationFiled: June 5, 2023Publication date: December 7, 2023Applicant: Yazaki CorporationInventors: Mitsuaki MORIMOTO, Kazuo Sugimura, Hiroteru Kato, Shoya Watanabe
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Publication number: 20230396076Abstract: A positive electrode-side input terminal is connected to a first positive electrode-side battery terminal, a negative electrode-side input terminal is connected to a second negative electrode-side battery terminal, a first switch is connected between a first negative electrode-side battery terminal and a second positive electrode-side battery terminal, a second switch is connected between a second positive electrode-side battery terminal and a first connection point between the positive electrode-side input terminal and the first positive electrode-side battery terminal, a third switch is connected between the first negative electrode-side battery terminal and a second connection point between the negative electrode-side input terminal and the second negative electrode-side battery terminal, a positive electrode-side output terminal is connected to a line connecting the second switch and the second positive electrode-side battery terminal, and a negative electrode-side output terminal to a line connecting theType: ApplicationFiled: May 23, 2023Publication date: December 7, 2023Applicant: Yazaki CorporationInventors: Mitsuaki MORIMOTO, Kazuo SUGIMURA, Hiroteru KATO, Shoya WATANABE
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Patent number: 11777325Abstract: An in-vehicle system is provided with a front J/B and a first voltage detection unit. The front J/B has a main relay unit, a second voltage detection unit, and a second MCU. Based on detection results detected by the first voltage detection unit and a second voltage detection unit when the main relay unit is subjected to on/off operations, the second MCU monitors whether each of the main relay unit, the first voltage detection unit, and the second voltage detection unit has abnormality or not.Type: GrantFiled: June 3, 2022Date of Patent: October 3, 2023Assignee: YAZAKI CORPORATIONInventors: Kazuya Tsubaki, Kazuo Sugimura, Mitsuaki Morimoto, Eiichiro Oishi
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Patent number: 11751326Abstract: An electronic apparatus includes: an electronic module; and a flexible substrate electrically connected to the electronic module. The flexible substrate includes: a base film; a plurality of first contact pads arranged at one end on the base film in a first direction, and electrically connected to the electronic module; a plurality of second contact pads arranged at an other end on the base film in the first direction; a plurality of first wires arranged on the base film, and each electrically connecting one of the first contact pads and one of the second contact pads together; and a plurality of third contact pads arranged on the base film, each of the third contact pads being positioned along the first direction between one of the first contact pads and one of the second contact pads, and being electrically connected to one of the first wires.Type: GrantFiled: May 19, 2021Date of Patent: September 5, 2023Assignee: SHARP KABUSHIKI KAISHAInventor: Mitsuaki Morimoto
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Patent number: 11652019Abstract: A heat dissipation structure includes a heat dissipation portion and a heat storage portion. The heat dissipation portion has the heat receiving surface including the contact surface in contact with the semiconductor generating the heat, and dissipates the heat of the semiconductor in contact with the contact surface. The heat storage portion is arranged to sandwich the semiconductor. The heat storage portion has, for example, the heat storage opening portion in which the semiconductor is positioned, and surrounds the semiconductor. The heat storage portion is provided to he in contact with the heat receiving surface, and stores the heat of the semiconductor conducted through the heat dissipation portion.Type: GrantFiled: April 27, 2020Date of Patent: May 16, 2023Assignee: YAZAKI CORPORATIONInventors: Mitsuaki Morimoto, Kazuo Sugimura, Kazuya Tsubaki, Eiichiro Oishi
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Patent number: 11581747Abstract: In a power supply device, switching section switch a connection between batteries to a series connection or a parallel connection. In a case where the connection between the batteries is switched from the series connection to the parallel connection to charge the batteries by an external charger, a controller does not switch the connection to the parallel connection, does not charge one battery having a larger voltage out of the batteries, and separately charges the other battery when a potential difference between a voltage of the battery and a voltage of the battery is a predetermined threshold value or higher; and the controller switches the connection to the parallel connection and charges the batteries when the potential difference is lower than the threshold value.Type: GrantFiled: January 21, 2021Date of Patent: February 14, 2023Assignee: YAZAKI CORPORATIONInventors: Mitsuaki Morimoto, Kazuo Sugimura, Kazuya Tsubaki, Eiichiro Oishi, Yasuyuki Shigezane
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Patent number: 11545470Abstract: In a semiconductor module, semiconductor chips are each provided with a drain portion on one of a pair of surfaces facing each other, and a source portion and a gate portion on the other surface. Substrates each include three power supply patterns capable of transmitting power supplied from a power supply, and at least two signal patterns capable of transmitting a control signal. The three power supply patterns and the two signal patterns extend in parallel to each other along a first direction. Among the three power supply patterns, two of them are capable of mounting the semiconductor chips and connectable to the drain portions of the mounted semiconductor chips, and remaining one of them is connectable to the source portions of the semiconductor chips. The two signal patterns are connectable to the gate portions of the semiconductor chips.Type: GrantFiled: August 23, 2021Date of Patent: January 3, 2023Assignee: YAZAKI CORPORATIONInventors: Mitsuaki Morimoto, Kazuo Sugimura, Kazuya Tsubaki, Eiichiro Oishi, Yasuyuki Shigezane
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Publication number: 20220416551Abstract: An in-vehicle system is provided with a front J/B and a first voltage detection unit. The front J/B has a main relay unit, a second voltage detection unit, and a second MCU. Based on detection results detected by the first voltage detection unit and a second voltage detection unit when the main relay unit is subjected to on/off operations, the second MCU monitors whether each of the main relay unit, the first voltage detection unit, and the second voltage detection unit has abnormality or not.Type: ApplicationFiled: June 3, 2022Publication date: December 29, 2022Applicant: Yazaki CorporationInventors: Kazuya TSUBAKI, Kazuo SUGIMURA, Mitsuaki MORIMOTO, Eiichiro OISHI
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Patent number: 11500028Abstract: A sensor unit includes a current sensor that detects a current, a voltage sensor that detects a voltage, a ground fault sensor that detects a ground fault, and a common substrate on which the current sensor, the voltage sensor, and the ground fault sensor are mounted. In the sensor unit, for example, in a power supply circuit of a vehicle, the three sensors of the high voltage system can be integrated on the common substrate, so that an increase in the number of parts can be suppressed.Type: GrantFiled: July 8, 2020Date of Patent: November 15, 2022Assignee: YAZAKI CORPORATIONInventors: Mitsuaki Morimoto, Kazuo Sugimura, Kazuya Tsubaki, Eiichiro Oishi
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Patent number: 11495581Abstract: In a semiconductor module, semiconductor chips are each provided with a drain portion on one of a pair of surfaces facing each other, and a source portion and a gate portion on the other surface. Substrates each include three power supply patterns capable of transmitting power supplied from a power supply, and at least two signal patterns capable of transmitting a control signal. The three power supply patterns and the two signal patterns extend in parallel to each other along a first direction. Among the three power supply patterns, two of them are capable of mounting the semiconductor chips and connectable to the drain portions of the mounted semiconductor chips, and remaining one of them is connectable to the source portions of the semiconductor chips. The two signal patterns are connectable to the gate portions of the semiconductor chips.Type: GrantFiled: August 23, 2021Date of Patent: November 8, 2022Assignee: YAZAKI CORPORATIONInventors: Mitsuaki Morimoto, Kazuo Sugimura, Kazuya Tsubaki, Eiichiro Oishi, Yasuyuki Shigezane
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Publication number: 20220097549Abstract: In an electric power supply system, a first supply system can supply electric power from a first battery to a first load unit via a front power supply box. A second supply system can supply electric power from a second battery to a second load unit via a rear power supply box independently of the first supply system. A front inlet can supply electric power from an external charging device to the first battery side. A rear inlet can supply electric power from an external charging device to the second battery side. A charging branch box is connected to each of the first supply system, the second supply system, the front inlet, and the rear inlet, and can switch a mutual connection relation between the first supply system, the second supply system, the front inlet, and the rear inlet.Type: ApplicationFiled: September 23, 2021Publication date: March 31, 2022Applicant: Yazaki CorporationInventors: Eiichiro OISHI, Kazuo Sugimura, Kazuya Tsubaki, Mitsuaki Morimoto
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Publication number: 20220068891Abstract: In a semiconductor module, semiconductor chips are each provided with a drain portion on one of a pair of surfaces facing each other, and a source portion and a gate portion on the other surface. Substrates each include three power supply patterns capable of transmitting power supplied from a power supply, and at least two signal patterns capable of transmitting a control signal. The three power supply patterns and the two signal patterns extend in parallel to each other along a first direction. Among the three power supply patterns, two of them are capable of mounting the semiconductor chips and connectable to the drain portions of the mounted semiconductor chips, and remaining one of them is connectable to the source portions of the semiconductor chips. The two signal patterns are connectable to the gate portions of the semiconductor chips.Type: ApplicationFiled: August 23, 2021Publication date: March 3, 2022Applicant: Yazaki CorporationInventors: Mitsuaki MORIMOTO, Kazuo SUGIMURA, Kazuya TSUBAKI, Eiichiro OISHI, Yasuyuki SHIGEZANE
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Patent number: 11247567Abstract: An FET makes an upstream power supply circuit an energized state and makes the upstream power supply circuit an interrupted state. An FET makes a downstream power supply circuit an energized state and makes the downstream power supply circuit an interrupted state. An FET turns on to make an anode and a cathode of the capacitor an energized state, and turns off to make the anode and the cathode an interrupted state. A controller turns on the FET and the FET and turns off the FET to make a power supply circuit an energized state. When a certain discharge request is input in the energized state of the power supply circuit, the controller turns off the FET and turns on the FET and the FET. With this configuration, a semiconductor relay device can appropriately address the power supply circuit at the time of abnormality.Type: GrantFiled: April 7, 2020Date of Patent: February 15, 2022Assignee: YAZAKI CORPORATIONInventors: Mitsuaki Morimoto, Eiichiro Oishi
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Patent number: 11241966Abstract: The protection circuit unit includes an energization module disposed on an electric path between a high-voltage battery of a vehicle and a high-voltage load receiving supply of power from the high-voltage battery, to open and close the electric path, and a control board configured to be a member separated from the energization module and electrically connected with the energization module, to control opening and closing of the electric path. The energization module includes semiconductor switches opening and closing the electric path, and a control terminal connecting the semiconductor switches with the control board. The control board includes a connection unit corresponding to the control terminal of each of a plurality of types of the energization modules.Type: GrantFiled: December 20, 2019Date of Patent: February 8, 2022Assignee: YAZAKI CORPORATIONInventors: Mitsuaki Morimoto, Kazuo Sugimura, Kazuya Tsubaki, Eiichiro Oishi
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Patent number: 11201460Abstract: A power source switch control device includes a detection circuit, a detection circuit, a detection circuit, and a detection circuit. The detection circuit detects forward voltage of a body diode of a FET, and the detection circuit detects forward voltage of a body diode of a FET. The detection circuit detects forward voltage of a body diode of a FET, and the detection circuit detects forward voltage of a body diode of a FET. A controller determines whether a defect of a power circuit has occurred based on results of the detection by the detection circuits to. Accordingly, the power source switch control device can appropriately detect defect of a switching element of a power source.Type: GrantFiled: March 19, 2020Date of Patent: December 14, 2021Assignee: YAZAKI CORPORATIONInventors: Eiichiro Oishi, Mitsuaki Morimoto
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Patent number: 11186202Abstract: In a power supply device, a battery switching unit is a circuit capable of switching a series-connected relay, a parallel-connected relay, a parallel-connected relay, and a parallel-connected relay to switch to a series circuit connecting a first battery and a second battery in series or a parallel circuit connecting the first battery and the second battery in parallel. When charging the first battery and the second battery, a controller controls the battery switching unit to switch to a parallel circuit, controls the parallel-connected relay based on voltages applied to a first cathode terminal and a first anode terminal, and further controls the parallel-connected relay based on voltages applied to a second cathode terminal and a second anode terminal.Type: GrantFiled: July 8, 2020Date of Patent: November 30, 2021Assignee: YAZAKI CORPORATIONInventors: Kazuo Sugimura, Mitsuaki Morimoto, Kazuya Tsubaki, Eiichiro Oishi
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Publication number: 20210368617Abstract: An electronic apparatus includes: an electronic module; and a flexible substrate electrically connected to the electronic module. The flexible substrate includes: a base film; a plurality of first contact pads arranged at one end on the base film in a first direction, and electrically connected to the electronic module; a plurality of second contact pads arranged at an other end on the base film in the first direction; a plurality of first wires arranged on the base film, and each electrically connecting one of the first contact pads and one of the second contact pads together, and a plurality of third contact pads arranged on the base film, each of the third contact pads being positioned along the first direction between one of the first contact pads and one of the second contact pads, and being electrically connected to one of the first wires.Type: ApplicationFiled: May 19, 2021Publication date: November 25, 2021Inventor: MITSUAKI MORIMOTO
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Patent number: 11163325Abstract: In a power-supply device, a FET passes or blocks a current flowing from one side in a power-supply circuit. A current sensor detects a current flowing into the FET. A FET is coupled to the FET, and passes or blocks a current flowing from another side in the power-supply circuit. A current sensor detects a current flowing into the FET. A junction couples a load unit at a point between the FET and the FET. In each of switch units, a CPU controls the corresponding switch unit of the power-supply circuit based on the detection result detected by the corresponding current sensors.Type: GrantFiled: December 23, 2019Date of Patent: November 2, 2021Assignee: YAZAKI CORPORATIONInventors: Mitsuaki Morimoto, Kazuo Sugimura, Kazuya Tsubaki, Eiichiro Oishi
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Patent number: 11147163Abstract: A semiconductor module unit includes a semiconductor module, and a control board that includes a driver circuit configured to output drive signals to the semiconductor module and controls the semiconductor module. The control board includes a main board, a sub board that is separated from the main board and on which the driver circuit is mounted, and a flexible board that has flexibility and electrically connects the main board and the sub board. The sub board includes a fitting part that is fitted in a fitted part of the semiconductor module. The semiconductor module is electrically connected to the driver circuit in a state where the fitting part is fitted in the fitted part.Type: GrantFiled: March 10, 2020Date of Patent: October 12, 2021Assignee: YAZAKI CORPORATIONInventors: Mitsuaki Morimoto, Eiichiro Oishi
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Patent number: 11117490Abstract: In a vehicle power supply device, a switch unit switches mutual connection among first to fourth batteries. When supplying electric power from the first to fourth batteries to a motor, a switch controller controls the switch unit and forms a backup battery corresponding to at least one of the first to fourth batteries that does not supply electric power to the motor and a serial battery group for supplying electric power that has the remaining batteries, except for the backup battery, connected in series. The switch controller supplies electric power from the serial battery group for supplying electric power to the motor, and, when a predetermined condition is satisfied, sequentially switches between a battery included in the serial battery group for supplying electric power and the backup battery.Type: GrantFiled: February 19, 2020Date of Patent: September 14, 2021Assignee: YAZAKI CORPORATIONInventors: Kazuya Tsubaki, Kazuo Sugimura, Mitsuaki Morimoto, Eiichiro Oishi