Patents by Inventor Motohiro Miura
Motohiro Miura 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: 20240302469Abstract: In one embodiment, an image processing apparatus comprising: a processing circuitry configured to: acquire an MR signal emitted from an object by an RF pulse of a first MRI apparatus being applied to the object; and generate an image based on the acquired MR signal, an MR signal corresponding to a period when a second MRI apparatus outputs an RF pulse, being not used for generating the image.Type: ApplicationFiled: February 28, 2024Publication date: September 12, 2024Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventor: Motohiro Miura
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Publication number: 20240294181Abstract: A driving assistance system includes a memory and a processor coupled to the memory. Based on use history data of a driving assistance function including positions at which the driving assistance function has been used at respective vehicles, which is collected from plural vehicles and stored in the memory, and based on position information indicating planned travel positions at which a specific vehicle is going to travel, the processor aggregates use frequencies of the driving assistance function at the planned travel positions of the plural vehicles, and, based on the aggregated use frequencies, the processor outputs information that suggests use of the driving assistance function at the specific vehicle.Type: ApplicationFiled: January 12, 2024Publication date: September 5, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Hideki KOBAYASHI, Yasuhiro MIURA, Motohiro KOJIMA, Kuka ISHIYAMA, Tadahiro NISHIKAWA, Koji AIKAWA, Yuji OTA, Yasuhiro ISHIGURO
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Publication number: 20240261676Abstract: The game system includes a first acquisition unit that acquires vehicle information about a vehicle, and a first transmission unit that transmits the vehicle information acquired by the first acquisition unit to a personal terminal brought into the vehicle. A vehicle-mounted device mounted on the vehicle; a second acquisition unit that acquires the vehicle information transmitted from the first transmission unit; and the vehicle information acquired by the second acquisition unit, on the personal terminal and the personal terminal including a control unit that controls the progress of the game by using it as a parameter of the game that is being executed.Type: ApplicationFiled: December 29, 2023Publication date: August 8, 2024Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Motohiro KOJIMA, Koji Aikawa, Morihiko Yoshida, Tadahiro Nishikawa, Yasuhiro Miura, Kuka Ishiyama, Hideki Kobayashi, Yuji Ota, Yasuhiro Ishiguro, Motoki Maekawa, Hiroshi Mizobata, Takashi Nonogawa
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Patent number: 12049122Abstract: A refrigeration cycle device includes a heat pump cycle, a high-temperature heat medium circuit, and a low-temperature heat medium circuit. The low-temperature heat medium circuit includes a plurality of heat absorption devices configured to have a heat absorption amount to be absorbed by the low-temperature heat medium flowing out of a low-temperature heat medium-refrigerant heat exchanger, and a heat absorption adjusting unit configured to change the heat absorption amount of the low-temperature heat medium in the respective heat absorption devices.Type: GrantFiled: September 24, 2021Date of Patent: July 30, 2024Assignee: DENSO CORPORATIONInventors: Koji Miura, Hiroaki Kawano, Motohiro Yamaguchi, Kazuya Taniguchi, Yoshiki Kato, Masamichi Makihara, Takahiro Maeda, Kuniyoshi Tanioka, Toru Okamura, Naoya Makimoto
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Publication number: 20240085507Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes a processing circuit. The processing circuit is configured to predict, based on an imaging sequence of magnetic resonance imaging and a relationship between a driving frequency of a gradient field coil and one of a magnet internal pressure and a magnet temperature of a static field magnet, the one of the magnet internal pressure and the magnet temperature at the time of execution of the imaging sequence, adjusts the imaging sequence based on a prediction result, and execute the adjusted imaging sequence.Type: ApplicationFiled: September 1, 2023Publication date: March 14, 2024Applicant: Canon Medical Systems CorporationInventors: Yutaka MACHII, Naoyuki FURUDATE, Motohiro MIURA
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Publication number: 20230135113Abstract: A modality controlling apparatus according to an embodiment includes a display and a processing circuitry. The display is configured to display an input object for inputting an instruction for controlling a first modality and a status object indicating a status related to a second modality. The processing circuitry is configured to display the input object in a first section of the display and to display the status object in a second section of the display which is a section smaller than the first section.Type: ApplicationFiled: October 24, 2022Publication date: May 4, 2023Applicant: CANON MEDICAL SYSTEMS CORPORATIONInventors: Sho KAWAJIRI, Kensuke SHINODA, Motohiro MIURA, Masaaki YAMANAKA, Shinya OZAWA, Kazuya TANOUE
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Patent number: 11105872Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes an amplifier, a gradient coil, and adjusting circuitry. The amplifier includes pulse width modulation circuitry modulating a pulse width of a driving signal, which is input to switching elements, in accordance with an input of a control signal corresponding to a waveform of a gradient magnetic field. The gradient coil generates the gradient magnetic field by an electric current supplied in accordance with an output voltage which is output from the amplifier. The adjusting circuitry executes adjustment of a gain of the amplifier, which is included in the control signal, or adjustment of the pulse width of the driving signal, in accordance with a dead time included in a switching cycle of the switching elements.Type: GrantFiled: June 18, 2018Date of Patent: August 31, 2021Assignee: Canon Medical Systems CorporationInventors: Sho Kawajiri, Motohiro Miura, Masashi Hori, Takahiro Kobayashi
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Patent number: 10989775Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes amplifiers, processing circuitry, and a power supplier. The amplifiers supplies power for each of a plurality of channels of gradient coils. The processing circuitry obtains, for each of the channels, a voltage gradient that represents a temporal change of a power supply voltage for supplying a current to the amplifiers. The power supplier supplies the power to an amplifier corresponding to a specific one of the channels on a priority basis in accordance with the voltage gradient.Type: GrantFiled: November 7, 2018Date of Patent: April 27, 2021Assignee: Canon Medical Systems CorporationInventors: Sho Kawajiri, Motohiro Miura, Masashi Hori
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Patent number: 10809329Abstract: A magnetic resonance imaging apparatus according to a present embodiment includes a gradient magnetic field coil and a gradient magnetic field power supply. The gradient magnetic field coil applies gradient magnetic field to an object, the gradient magnetic field coil including a plurality of channels. The gradient magnetic field power supply calculates a required power for each channel, and distributes maximum power to a channel requiring higher power than the required power of other channels with priority to the other channels, the maximum power being a limit value of total power to be supplied to the channels as a whole.Type: GrantFiled: December 1, 2016Date of Patent: October 20, 2020Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Motohiro Miura, Masashi Hori, Sho Kawajiri
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Patent number: 10459047Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a gradient magnetic field power supply configured to supply power to a gradient coil. The gradient magnetic field power supply includes a plurality of switching circuits and a processing circuitry. Each of the switching circuits is configured to output a predetermined pulse voltage. The processing circuitry is configured to change the number of switching circuits to be caused to perform switching operation among the switching circuits, in accordance with an intensity of the voltage to be output to the gradient coil.Type: GrantFiled: April 29, 2015Date of Patent: October 29, 2019Assignee: Canon Medical Systems CorporationInventors: Sho Kawajiri, Motohiro Miura
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Patent number: 10408899Abstract: A magnetic resonance imaging apparatus according to a present embodiment includes a gradient magnetic field coil and a gradient magnetic field power supply. The gradient magnetic field coil applies gradient magnetic field to an object, the gradient magnetic field coil including a plurality of channels. The gradient magnetic field power supply calculates a required power for each channel, and distributes maximum power to a channel requiring higher power than the required power of other channels with priority to the other channels, the maximum power being a limit value of total power to be supplied to the channels as a whole.Type: GrantFiled: December 1, 2016Date of Patent: September 10, 2019Assignee: Canon Medical Systems CorporationInventors: Motohiro Miura, Masashi Hori, Sho Kawajiri
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Patent number: 10401449Abstract: A magnetic resonance imaging apparatus according to an embodiment includes a processing circuit and a sequence control circuit. The processing circuit calculates, based on an imaging sequence to be executed in magnetic resonance imaging, a value of a current flowing through a closed circuit by using an equivalent circuit and determines, prior to an execution of the imaging sequence, based on the value of the current, whether it is acceptable to execute the imaging sequence. The sequence control circuit executes the imaging sequence. The equivalent circuit is an equivalent circuit for a circuit that includes a gradient coil and that has a first circuit and a second circuit. The first circuit is connected to a power supply and has self-inductance. The second circuit includes at least one closed circuit having mutual inductance with the first circuit.Type: GrantFiled: July 28, 2016Date of Patent: September 3, 2019Assignee: Canon Medical Systems CorporationInventors: Yutaka Machii, Naoyuki Furudate, Sho Kawajiri, Motohiro Miura
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Patent number: 10371772Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes a gradient magnetic field power supply, a voltmeter, and processing circuitry. The gradient magnetic field power supply includes an amplifier amplifying an input signal based on information of a gradient magnetic field waveform and outputting the amplified input signal to a gradient coil, a power supply device supplying power to the amplifier, and a capacitor bank supplying power, together with the power supply device, to the amplifier. The voltmeter measures a voltage of the capacitor bank. The processing circuitry calculates frequency characteristics of an impedance of the gradient coil, based on a voltage variation of the capacitor bank which was measured by the voltmeter, and controls imaging in accordance with the calculated frequency characteristics.Type: GrantFiled: December 13, 2016Date of Patent: August 6, 2019Assignee: Canon Medical Systems CorporationInventors: Sho Kawajiri, Motohiro Miura, Naoyuki Furudate, Yutaka Machii
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Publication number: 20190137581Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes amplifiers, processing circuitry, and a power supplier. The amplifiers supplies power for each of a plurality of channels of gradient coils. The processing circuitry obtains, for each of the channels, a voltage gradient that represents a temporal change of a power supply voltage for supplying a current to the amplifiers. The power supplier supplies the power to an amplifier corresponding to a specific one of the channels on a priority basis in accordance with the voltage gradient.Type: ApplicationFiled: November 7, 2018Publication date: May 9, 2019Applicant: Canon Medical Systems CorporationInventors: Sho KAWAJIRI, Motohiro MIURA, Masashi HORI
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Publication number: 20180372820Abstract: According to one embodiment, a magnetic resonance imaging apparatus includes an amplifier, a gradient coil, and adjusting circuitry. The amplifier includes pulse width modulation circuitry modulating a pulse width of a driving signal, which is input to switching elements, in accordance with an input of a control signal corresponding to a waveform of a gradient magnetic field. The gradient coil generates the gradient magnetic field by an electric current supplied in accordance with an output voltage which is output from the amplifier. The adjusting circuitry executes adjustment of a gain of the amplifier, which is included in the control signal, or adjustment of the pulse width of the driving signal, in accordance with a dead time included in a switching cycle of the switching elements.Type: ApplicationFiled: June 18, 2018Publication date: December 27, 2018Applicant: Canon Medical Systems CorporationInventors: Sho KAWAJIRI, Motohiro MIURA, Masahi HORI, Takahiro KOBAYASHI
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Patent number: 10048337Abstract: Image diagnosis apparatus (20) generates image data of an object by using external electric power, and includes a charge/discharge element and a charge/discharge control circuit. The charge/discharge element is charged with the external electric power and supplies part of the consumed power of the image diagnosis apparatus by discharging. The charge/discharge control circuit controls charge and discharge of the charge/discharge element in such a manner that the charge/discharge element discharges in a period during which the consumed power is larger than a predetermined power amount and the charge/discharge element is charged in a period during which the consumed power is smaller than the predetermined power amount.Type: GrantFiled: October 31, 2013Date of Patent: August 14, 2018Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Motohisa Yokoi, Motohiro Miura, Sho Kawajiri, Kazuyuki Soejima, Haruki Nakamura, Naoki Imamura
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Patent number: 10042027Abstract: A control device of a magnetic resonance (MRI) imaging apparatus includes a condition setting unit and a judging unit. The condition setting unit sets an imaging sequence to be performed by the magnetic resonance imaging apparatus based on set conditions of the set imaging sequence. The judging unit then (a) calculates a value of electric current supplied to a gradient magnetic field coil of the MRI apparatus to perform that set imaging sequence based on the set conditions of the set imaging sequence, (b) calculates a value of voltage that would need to be applied to the gradient magnetic field coil based on a mutual inductance of the gradient magnetic field to cause electric current flowing to the gradient magnetic field coil to become equal to the value of the calculated electric current, and (c) judges whether the set imaging sequence is practicable or not based on the calculated value of voltage.Type: GrantFiled: November 3, 2014Date of Patent: August 7, 2018Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Masashi Hori, Motohiro Miura, Hiroshi Kusahara, Yutaka Machii, Yoshimori Kassai
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Patent number: 9989602Abstract: An MRI apparatus includes a data acquisition system, a charge/discharge element and a power control unit. The data acquisition system acquires nuclear magnetic resonance signals from an imaging region by performing a scan. The charge/discharge element is a part of an electric power system of the MRI apparatus, and is charged with external electric power. The power control unit controls the electric power system in such a manner that at least one unit excluding the data acquisition system is supplied with electric power from the charge/discharge element.Type: GrantFiled: October 31, 2013Date of Patent: June 5, 2018Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Naoki Imamura, Motohisa Yokoi, Kazuyuki Soejima, Motohiro Miura, Sho Kawajiri, Haruki Nakamura
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Patent number: 9759790Abstract: A magnetic resonance imaging device according to an embodiment includes a gradient amplifier, a battery, a detector, and a battery controller. The gradient amplifier supplies electric power to the gradient coil. The battery is charged with electric power that is supplied from the power supply. The detector detects a high power output request on the gradient amplifier. The battery controller controls to supply electric power charged in the battery in addition to electric power supplied from the power supply to the gradient amplifier when the high power output request is detected.Type: GrantFiled: June 25, 2014Date of Patent: September 12, 2017Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Sho Kawajiri, Motohisa Yokoi, Motohiro Miura, Masashi Hori, Kazuyuki Soejima, Naoki Imamura, Haruki Nakamura
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Patent number: 9726734Abstract: An MRI apparatus includes a charge/discharge controlling unit, a judging unit and a condition restricting unit. The charge/discharge controlling unit includes a charge/discharge element, receives electric power, and charges the charge/discharge element by using the received electric power. The charge/discharge controlling unit also supplies a gradient magnetic field coil with electric power discharged from the charge/discharge element at a time of performance of magnetic resonance imaging. The judging unit judges whether capacitance of the charge/discharge element falls below a threshold value or not. The condition restricting unit restricts electric power amount supplied to the gradient magnetic field coil by restricting conditions of an imaging sequence, when the capacitance of the charge/discharge element falls below the threshold value.Type: GrantFiled: April 16, 2013Date of Patent: August 8, 2017Assignee: TOSHIBA MEDICAL SYSTEMS CORPORATIONInventors: Masashi Hori, Motohiro Miura, Motohisa Yokoi, Sho Kawajiri