Patents by Inventor Shinya Morimoto
Shinya 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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Patent number: 11968333Abstract: An image forming apparatus that forms an image on a recording medium includes: an image former that forms an image on a recording medium and is capable of forming an image for diagnosis, which is an image used for diagnosis of the image forming apparatus; an image reader that reads the image for diagnosis formed on a recording medium; and a processor configured to change at least one of a reading condition under which the image reader reads the image for diagnosis and a processing condition under which a read image obtained by the reading is processed in accordance with a mode of diagnosis of the image forming apparatus.Type: GrantFiled: September 26, 2022Date of Patent: April 23, 2024Assignee: FUJIFILM Business Innovation Corp.Inventors: Shinya Miyamori, Yuki Tanaka, Shinsuke Sugi, Junichiro Mori, Masashi Morimoto
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Patent number: 11924384Abstract: An information processing apparatus includes a processor configured to: acquire a read image resulting from reading a recording medium where a diagnostic image to be used to diagnose an image forming apparatus is formed; acquire, from the read image, an image read portion of the recording medium from which the diagnostic image is read and one specific portion of a non-formation read portion, the non-formation read portion resulting from reading a non-formation portion of the recording medium where the diagnostic image is not formed; and output the image read portion and the one specific portion.Type: GrantFiled: September 6, 2022Date of Patent: March 5, 2024Assignee: FUJIFILM Business Innovation Corp.Inventors: Yuki Tanaka, Shinya Miyamori, Masashi Morimoto, Shinsuke Sugi, Kyotaro Tomoda, Tomokazu Sugata
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Publication number: 20240030850Abstract: A power conversion device includes a power conversion circuit that converts primary-side power to secondary-side power and supplies the secondary-side power to an electric motor, and circuitry including a voltage command generator that generates a voltage command in a rotating coordinate system that rotates in synchronization with a magnetic pole position of the electric motor, based on a current command in the rotating coordinate system and a mutual inductance between a first coordinate axis and a second coordinate axis of the rotating coordinate system, and a controller that controls the power conversion circuit to apply a secondary-side voltage corresponding to the voltage command to the electric motor.Type: ApplicationFiled: October 5, 2023Publication date: January 25, 2024Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Keita SHIMAMOTO, Shinya MORIMOTO
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Patent number: 10965238Abstract: A power conversion apparatus includes a power converter circuit that outputs an AC power to an electric motor, and circuitry that controls the power converter circuit to add a first change, accompanying a change of a power generated by the electric motor, to a first phase angle, which is a phase angle of a magnetic flux direction of the electric motor corresponding to the AC power, extracts a component generated by the first change from first information indicating the electric power supplied to the electric motor, and estimates the power generated by the electric motor based on the component.Type: GrantFiled: March 17, 2017Date of Patent: March 30, 2021Assignee: Kabushiki Kaisha Yaskawa DenkiInventors: Shingo Fukumaru, Hideaki Iura, Shinya Morimoto, Akira Yamazaki
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Patent number: 10666178Abstract: A control device includes an estimation module configured to repeatedly calculate an angle estimation value correlated with a magnetic pole position of a rotating electric machine, and a storage module configured to store the angle estimation value. The estimation module includes a response information calculation module configured to calculate response information indicating a current change resulting from a change in an output voltage to the rotating electric machine or a voltage change resulting from a change in an output current to the rotating electric machine, a coefficient calculation module configured to calculate an interference coefficient correlated with electromagnetic mutual interference between coordinate axes of an orthogonal coordinate system of the rotating electric machine based on a past angle estimation value stored in the storage module, and an angle calculation module configured to calculate an angle estimation value based on the response information and the interference coefficient.Type: GrantFiled: August 3, 2018Date of Patent: May 26, 2020Inventors: Keita Shimamoto, Shinya Morimoto
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Patent number: 10256760Abstract: A power conversion apparatus includes: a power converter that includes a plurality of switching elements; and a controller that controls the plurality of switching elements. The controller includes: a command generator that generates a voltage command vector; a synthesizer that synthesizes a correction vector with the voltage command vector to generate a synthetic vector; an adjuster that adjusts an output time of a plurality of voltage vectors from the power converter, the output time being corresponding to the synthetic vector; and a correction vector generator that generates the correction vector on the basis of an adjustment result of the adjuster.Type: GrantFiled: August 31, 2016Date of Patent: April 9, 2019Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shingo Fukumaru, Shinya Morimoto, Hideaki Iura, Hirofumi Kinomura
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Publication number: 20190044467Abstract: A control device includes an estimation module configured to repeatedly calculate an angle estimation value correlated with a magnetic pole position of a rotating electric machine, and a storage module configured to store the angle estimation value. The estimation module includes a response information calculation module configured to calculate response information indicating a current change resulting from a change in an output voltage to the rotating electric machine or a voltage change resulting from a change in an output current to the rotating electric machine, a coefficient calculation module configured to calculate an interference coefficient correlated with electromagnetic mutual interference between coordinate axes of an orthogonal coordinate system of the rotating electric machine based on a past angle estimation value stored in the storage module, and an angle calculation module configured to calculate an angle estimation value based on the response information and the interference coefficient.Type: ApplicationFiled: August 3, 2018Publication date: February 7, 2019Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Keita SHIMAMOTO, Shinya MORIMOTO
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Patent number: 10135375Abstract: A rotation controller for an AC electric motor includes a space vector generator, a current change ratio obtainer, and a rotational angle calculator. The space vector generator generates at least a first magnetic field in a first direction and a second magnetic field in a second direction crossing the first direction in a rotation plane of a saliency-exhibiting rotor. The space vector generator synthesizes the first magnetic field and the second magnetic field into a synthesized magnetic field. The current change ratio obtainer acquires a first current change ratio of a first current generated in the first direction in a stator and a second current change ratio of a second current generated in the second direction in the stator. The rotational angle calculator calculates a rotational angle of the saliency-exhibiting rotor based on at least the first and second current change ratios and the first and second directions.Type: GrantFiled: March 17, 2017Date of Patent: November 20, 2018Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shingo Fukumaru, Keita Shimamoto, Shinya Morimoto
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Patent number: 9843273Abstract: A power conversion apparatus includes: a power converter that includes a plurality of switching elements; a switch controller that controls the plurality of switching elements so that the order of outputting a plurality of kinds of voltage vectors from the power converter is opposite in a first half and a latter half of a carrier period; a DC-side current detector that detects a DC-side current of the power converter; and a phase current detector that detects one phase current among three phase currents on the basis of the detected DC-side current at a detection timing, the detection timing being selected from a first-half timing and a latter-half timing of the carrier period at which the same kind of voltage vector is output. The phase current detector includes a timing switcher that alternately switches the detection timing between the first-half timing and the latter-half timing.Type: GrantFiled: August 31, 2016Date of Patent: December 12, 2017Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shingo Fukumaru, Shinya Morimoto, Hideaki Iura, Hirofumi Kinomura
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Publication number: 20170272018Abstract: A rotation controller for an AC electric motor includes a space vector generator, a current change ratio obtainer, and a rotational angle calculator. The space vector generator generates at least a first magnetic field in a first direction and a second magnetic field in a second direction crossing the first direction in a rotation plane of a saliency-exhibiting rotor. The space vector generator synthesizes the first magnetic field and the second magnetic field into a synthesized magnetic field. The current change ratio obtainer acquires a first current change ratio of a first current generated in the first direction in a stator and a second current change ratio of a second current generated in the second direction in the stator. The rotational angle calculator calculates a rotational angle of the saliency-exhibiting rotor based on at least the first and second current change ratios and the first and second directions.Type: ApplicationFiled: March 17, 2017Publication date: September 21, 2017Applicant: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shingo FUKUMARU, Keita SHIMAMOTO, Shinya MORIMOTO
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Publication number: 20170272016Abstract: A power conversion apparatus includes a power converter circuit that outputs an AC power to an electric motor, and circuitry that controls the power converter circuit to add a first change, accompanying a change of a power generated by the electric motor, to a first phase angle, which is a phase angle of a magnetic flux direction of the electric motor corresponding to the AC power, extracts a component generated by the first change from first information indicating the electric power supplied to the electric motor, and estimates the power generated by the electric motor based on the component.Type: ApplicationFiled: March 17, 2017Publication date: September 21, 2017Applicant: Kabushiki Kaisha Yaskawa DenkiInventors: Shingo FUKUMARU, Hideaki IURA, Shinya MORIMOTO, Akira YAMAZAKI
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Patent number: 9761992Abstract: It is aimed to provide a connector capable of enhancing the reliability of rattling prevention. A front member (90) is mounted on a front surface side of a housing main body (11). The front member (90) includes a straight wall (41) configured to face an erroneous connection preventing surface (214) of a mating housing (200) when a housing (10) is in a proper connection posture with respect to the mating housing (200). A rattling preventing portion (45) projects on the straight wall (41) and is configured to suppress rattling between the two housings (10, 200) by contacting an inner surface of a receptacle (210) and a curved wall (99) arranged more outward than the rattling preventing portion (45) when viewed from front and configured to regulate forward detachment of a seal (70) with the front member (90) mounted on the housing main body (11).Type: GrantFiled: July 6, 2016Date of Patent: September 12, 2017Assignee: SUMITOMO WIRING SYSTEMS, LTD.Inventors: Norihito Hashimoto, Shinya Morimoto, Takeshi Tsuji
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Publication number: 20170063252Abstract: A power conversion apparatus includes: a power converter that includes a plurality of switching elements; a switch controller that controls the plurality of switching elements so that the order of outputting a plurality of kinds of voltage vectors from the power converter is opposite in a first half and a latter half of a carrier period; a DC-side current detector that detects a DC-side current of the power converter; and a phase current detector that detects one phase current among three phase currents on the basis of the detected DC-side current at a detection timing, the detection timing being selected from a first-half timing and a latter-half timing of the carrier period at which the same kind of voltage vector is output. The phase current detector includes a timing switcher that alternately switches the detection timing between the first-half timing and the latter-half timing.Type: ApplicationFiled: August 31, 2016Publication date: March 2, 2017Applicant: Kabushiki Kaisha Yaskawa DenkiInventors: Shingo FUKUMARU, Shinya MORIMOTO, Hideaki IURA, Hirofumi KINOMURA
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Publication number: 20170063253Abstract: A power conversion apparatus includes: a power converter that includes a plurality of switching elements; and a controller that controls the plurality of switching elements. The controller includes: a command generator that generates a voltage command vector; a synthesizer that synthesizes a correction vector with the voltage command vector to generate a synthetic vector; an adjuster that adjusts an output time of a plurality of voltage vectors from the power converter, the output time being corresponding to the synthetic vector; and a correction vector generator that generates the correction vector on the basis of an adjustment result of the adjuster.Type: ApplicationFiled: August 31, 2016Publication date: March 2, 2017Applicant: Kabushiki Kaisha Yaskawa DenkiInventors: Shingo FUKUMARU, Shinya MORIMOTO, Hideaki IURA, Hirofumi KlNOMURA
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Publication number: 20170033494Abstract: It is aimed to provide a connector capable of enhancing the reliability of rattling prevention. A front member (90) is mounted on a front surface side of a housing main body (11). The front member (90) includes a straight wall (41) configured to face an erroneous connection preventing surface (214) of a mating housing (200) when a housing (10) is in a proper connection posture with respect to the mating housing (200). A rattling preventing portion (45) projects on the straight wall (41) and is configured to suppress rattling between the two housings (10, 200) by contacting an inner surface of a receptacle (210) and a curved wall (99) arranged more outward than the rattling preventing portion (45) when viewed from front and configured to regulate forward detachment of a seal (70) with the front member (90) mounted on the housing main body (11).Type: ApplicationFiled: July 6, 2016Publication date: February 2, 2017Inventors: Norihito Hashimoto, Shinya Morimoto, Takeshi Tsuji
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Patent number: 9509233Abstract: A power converter according to embodiments includes a boost circuit, a single-phase inverter, a current controller, and a power conversion controller. The current controller generates a voltage reference based on a difference between current output from the single-phase inverter and a current reference. The power conversion controller controls the single-phase inverter to generate a first portion of the AC voltage, and controls the boost circuit to generate a second portion of the AC voltage. The first portion corresponds to the voltage reference of which an absolute value is smaller than the voltage of the DC power supply. The second portion corresponds to the voltage reference of which an absolute value is greater than the voltage of the DC power supply.Type: GrantFiled: March 20, 2015Date of Patent: November 29, 2016Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Kozo Ide, Tetsumi Narita, Seiji Fujisaki, Mamoru Takaki, Shinya Morimoto
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Patent number: 9484839Abstract: A power converter according to one embodiment includes a controller that switches between a boosting operation in a boost circuit and a pulse-width modulation operation in a single-phase inverter. The controller modifies an output from a voltage detection filter based on a delay compensating value for compensating a detection delay introduced by the voltage detection filter, when switching is performed the boosting operation in the boost circuit to the PWM operation in the single-phase inverter.Type: GrantFiled: January 29, 2015Date of Patent: November 1, 2016Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Seiji Fujisaki, Mamoru Takaki, Shinya Morimoto, Masato Higuchi
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Patent number: 9397602Abstract: A rotary electric machine control apparatus includes: a phase estimator configured to estimate a first estimated phase value based on a rotary electric machine current; a correction value storage configured to store correction information representing a plurality of second estimated phase values and a plurality of correction values; a first phase corrector configured to acquire, based on a second estimated phase value corresponding to the first estimated phase value, from the correction information, a correction value associated with the second estimated phase value, and configured to correct the second estimated phase values based on the correction value; a position controller configured to calculate a speed command based on a position command and the corrected second estimated phase value; and a speed controller configured to calculate a torque command value and a q-axis current command value based on the speed command and the corrected second estimated phase value.Type: GrantFiled: August 4, 2014Date of Patent: July 19, 2016Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Mamoru Takaki, Shinya Morimoto, Aamir Noor Baloch, Masaki Hisatsune, Masanobu Kakihara
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Patent number: 9379649Abstract: A linear motor system includes a stator, a mover, and a controller. The stator includes a plurality of armature coil units arranged so as to be spaced apart from one another at certain intervals. The mover includes a permanent magnet. The controller is configured to sequentially select, as a power-feeding target, an armature coil unit opposing the mover from among the plurality of armature coil units, perform, for the power-feeding target, computation for power-feeding control on the basis of a speed command, and sequentially feed power to the armature coil unit. The controller includes a power-feeding-switching compensation function of performing switching compensation when the power-feeding target is switched to a next armature coil unit.Type: GrantFiled: March 25, 2014Date of Patent: June 28, 2016Assignee: KABUSHIKI KAISHA YASKAWA DENKIInventors: Yoshiyasu Takase, Shinya Morimoto, Toru Shikayama, Minoru Koga, Nobuhiro Umeda
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Publication number: 20160134217Abstract: A motor includes a stator and a rotor that is arranged opposite to the stator through a predetermined air gap. The stator is such that a plurality of coils are wound around respective slots for each of a plurality of phases. In the stator, the number of turns of one of the plurality of coils is different from those of the others for each of the phases. In the rotor, among a plurality of magnetic poles formed of a plurality of permanent magnets arranged in a circumferential direction of a core, a magnetoresistance of at least one magnetic pole is different from those of the others.Type: ApplicationFiled: January 20, 2016Publication date: May 12, 2016Applicants: KABUSHIKI KAISHA YASKAWA DENKIInventors: Shinya MORIMOTO, Sohji MURAKAMI, Noor Aamir BALOCH, Motomichi OHTO, Yong-Cheol KWON, Seung-Ki SUL