Patents by Inventor Masahiro Kinoshita

Masahiro Kinoshita 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).

  • Publication number: 20190236777
    Abstract: A medical image processing apparatus includes a memory; and at least one processor configured to execute detecting one or more vertebral bodies and one or more intervertebral disks in a medical image; labeling each part satisfying a predetermined condition among the one or more vertebral bodies and the one or more intervertebral disks detected by the detecting; interpolating a vertebral body or an intervertebral disk in a case where the one or more vertebral bodies and the one or more intervertebral disks detected by the detecting do not include the vertebral body or the intervertebral disk that satisfies the predetermined condition; and executing the labeling also for the vertebral body or the intervertebral disk interpolated by the interpolating.
    Type: Application
    Filed: January 17, 2019
    Publication date: August 1, 2019
    Applicant: Ricoh Company, Ltd.
    Inventors: Masahiro TAKADA, Akira KINOSHITA, Kazuya NIYAGAWA
  • Publication number: 20190214897
    Abstract: A control device for a power conversion device that is capable of detecting current abnormality of the power conversion device with no delay is provided. The control device for the power conversion device includes a current detection unit for outputting an error signal when a detection value of a current sensor for detecting current flowing through the power conversion device is larger than a preset overcurrent determination value, and outputting a state detection value larger than a value corresponding to the error signal based on the error signal, and an abnormality detection unit for accepting an input of the state detection value of the current detection unit via the wiring, and an abnormality detection unit for outputting an error signal when the state detection value of the current detection unit is larger than a preset overcurrent abnormality determination value, and detecting abnormality based on the error signal.
    Type: Application
    Filed: December 2, 2016
    Publication date: July 11, 2019
    Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventors: Naoya SHIBATA, Masahiro KINOSHITA
  • Patent number: 10340730
    Abstract: An uninterruptible power supply apparatus includes a converter (5) configured to convert AC power into DC power, and an inverter (10) configured to convert DC power into AC power and supply the converted power to a load (24). The load (24) is configured to receive an AC voltage within a range of allowable input voltage to consume constant AC power. The uninterruptible power supply apparatus has maximum efficiency ? when a ratio of load capacity to rated capacity of the uninterruptible power supply apparatus is a predetermined value ?. The uninterruptible power supply apparatus further includes a control device (18) configured to control an output voltage of the inverter (10) within the range of allowable input voltage so as to increase the efficiency ?, when the ratio of the load capacity to the rated capacity is different from the predetermined value ?.
    Type: Grant
    Filed: November 27, 2014
    Date of Patent: July 2, 2019
    Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventors: Masaru Toyoda, Masahiro Kinoshita
  • Publication number: 20190190403
    Abstract: According to an embodiment of the invention, a system-connected inverter device that includes a three-level inverter, a voltage sensor, and a controller is provided. The three-level inverter includes multiple switching elements, is connected to an electric power system of alternating current and a direct current power supply, converts direct current power supplied from the direct current power supply from direct current power into alternating current power by an ON/OFF of the multiple switching elements, and supplies the alternating current power to the electric power system. The voltage sensor detects an alternating current voltage of the electric power system.
    Type: Application
    Filed: August 16, 2016
    Publication date: June 20, 2019
    Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventors: Motoko FURUKAWA, Masahiro KINOSHITA
  • Patent number: 10263457
    Abstract: An uninterruptible power supply device (60) does not have a wire connecting a bidirectional chopper (24) to a neutral point (NP). The bidirectional chopper (24) includes first and second capacitors (C11, C12), first to fourth transistors (Q11-Q14), and a normal mode reactor (50). In a discharging mode, a controller (63) causes the second and third transistors (Q12, Q13) to be complementarily turned on and controls the ON period of each of the second and third transistors (Q12, Q13) so that terminal-to-terminal voltages (V11, V12) of the first and second capacitors (C11, C12) are equal to each other.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: April 16, 2019
    Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventors: Kazuki Nishimura, Hiroshi Masunaga, Masahiro Kinoshita
  • Patent number: 10153114
    Abstract: An electronic-device seal structure includes a base, a case which covers an upper surface of the base and has an opening at a surface thereof, and a pair of terminals attached to the base. A first clearance sealed with a sealing material is provided between the base and the case, and a second clearance is provided between the pair of terminals attached to an end surface of the base to face each other.
    Type: Grant
    Filed: November 21, 2014
    Date of Patent: December 11, 2018
    Assignee: OMRON Corporation
    Inventors: Kazuhiro Tsutsui, Masahiro Kinoshita, Ayaka Miyake, Jun Sasaki, Keisuke Tsuji
  • Patent number: 10116228
    Abstract: A converter includes: a first transistor (Q1) connected between a first output terminal (T1) and an input terminal (T0); a second transistor (Q2) connected between the input terminal (T0) and a second output terminal (T2); first and second diodes (D1, D2) connected in anti-parallel to the first and second transistors (Q1, Q2), respectively; and a bidirectional switch that is connected between the input terminal (T0) and a third output terminal (T3) and that includes third and fourth transistors (Q3, Q4) and third and fourth diodes (D3, D4). The first and second diodes (D1, D2) and the third and fourth transistors (Q3, Q4) each are formed of a wide band gap semiconductor. The third and fourth diodes (D3, D4) and the first and second transistors (Q1, Q2) each are formed of a semiconductor other than the wide band gap semiconductor.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: October 30, 2018
    Assignees: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION, Mitsubishi Electric Corporation
    Inventors: Keisuke Ohnishi, Masahiro Kinoshita, Kimiyuki Koyanagi
  • Publication number: 20180248220
    Abstract: In a nonaqueous electrolyte secondary battery which includes an electrode assembly that includes a positive electrode including a positive electrode current collector and a positive electrode mixture layer, a negative electrode including a negative electrode current collector and a negative electrode mixture layer, and a separator, the positive electrode mixture layer contains Ni in a proportion of not less than 85 mol % relative to the total molar amount of metal element(s) except lithium, and includes a lithium transition metal oxide bearing on the surface thereof an attached element belonging to Group VI of the periodic table. The negative electrode mixture layer includes a carbon material and a silicon compound. The surface pressure present on a plane in which the positive electrode and the negative electrode are opposed to each other through the separator is not less than 0.1 MPa/cm2.
    Type: Application
    Filed: August 23, 2016
    Publication date: August 30, 2018
    Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Noriko Manabe, Kaoru Nagata, Masahiro Kinoshita, Taizou Sunano
  • Patent number: 10050469
    Abstract: An uninterruptible power supply device (U1) includes a converter (40), an inverter (41), a bidirectional chopper (24), and a controller (53). The bidirectional chopper (24) includes first to fourth transistors (Q11-Q14), first to fourth diodes (D11-D14), and first and second, coils (51, 52). In a charging mode, the controller (53) causes the first and fourth transistors (Q11, Q14) to be complementarily turned on and controls the ON period of each of the first and fourth transistors (Q11, Q14) so as to cause respective detected values of first current and second current (11, 12) flowing through the first coil and the second coil (51, 52) to be equal to each other.
    Type: Grant
    Filed: April 1, 2015
    Date of Patent: August 14, 2018
    Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventors: Kazuki Nishimura, Hiroshi Masunaga, Masahiro Kinoshita
  • Patent number: 10044286
    Abstract: An uninterruptible power supply system includes a plurality of uninterruptible power supply devices, and each uninterruptible power supply device includes a conversion circuit, an inversion circuit, a DC positive bus, a DC negative bus, and a capacitor. The uninterruptible power supply system includes a first fuse connected between DC positive buses of two uninterruptible power supply devices, and a second fuse connected between DC negative buses of the two uninterruptible power supply devices. DC voltages between the plurality of DC positive buses and between the plurality of DC negative buses can be made uniform and a cross current can be suppressed. Even when one uninterruptible power supply device fails and an overcurrent flows between the two DC positive buses and between the two DC negative buses, the failure range can be narrowly limited by the first and second fuses.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: August 7, 2018
    Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventors: Shoichi Abe, Masahiro Kinoshita
  • Patent number: 10038392
    Abstract: An inverter includes: a first transistor (Q1) connected between a first input terminal (T1) and an output terminal (T4); a second transistor (Q2) connected between the output terminal (T4) and a second input terminal (T2); first and second diodes (D1, D2) connected in anti-parallel to the first and second transistors (Q1, Q2), respectively; and a bidirectional switch that is connected between a third input terminal (T3) and the output terminal (T4) and that includes third and fourth transistors (Q3, Q4) and third and fourth diodes (D3, D4). The first and second transistors (Q1, Q2) and the third and fourth diodes (D3, D4) are each formed of a wide band gap semiconductor. The third and fourth transistors (Q3, Q4) and the first and second diodes (D1, D2) are each formed of a semiconductor other than the wide band gap semiconductor.
    Type: Grant
    Filed: August 29, 2014
    Date of Patent: July 31, 2018
    Assignees: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION, Mitsubishi Electric Corporation
    Inventors: Keisuke Ohnishi, Masahiro Kinoshita, Kimiyuki Koyanagi
  • Patent number: 10033299
    Abstract: A converter includes a first diode (D1) having its anode and cathode connected to input terminal (T0) and a first output terminal (T1), respectively, a second diode (D2) having its anode and cathode connected to a second output terminal (T2) and an input terminal (T0), respectively, and a bidirectional switch connected between the input terminal (T0) and a third output terminal (T3). The bidirectional switch includes third to sixth diodes (D3 to D6) and a transistor (Q1). The first diode (D1), the second diode (D2), and the transistor (Q) are each formed of a wide-bandgap semiconductor, and the third to sixth diodes (D3 to D6) are each formed of a semiconductor other than wide-bandgap semiconductors.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: July 24, 2018
    Assignees: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION, Mitsubishi Electric Corporation
    Inventors: Keisuke Ohnishi, Masahiro Kinoshita, Kimiyuki Koyanagi
  • Publication number: 20180131289
    Abstract: A converter includes a first diode (D1) having its anode and cathode connected to input terminal (T0) and a first output terminal (T1), respectively, a second diode (D2) having its anode and cathode connected to a second output terminal (T2) and an input terminal (T0), respectively, and a bidirectional switch connected between the input terminal (T0) and a third output terminal (T3). The bidirectional switch includes third to sixth diodes (D3 to D6) and a transistor (Q1). The first diode (D1), the second diode (D2), and the transistor (Q) are each formed of a wide-bandgap semiconductor, and the third to sixth diodes (D3 to D6) are each formed of a semiconductor other than wide-bandgap semiconductors.
    Type: Application
    Filed: April 20, 2015
    Publication date: May 10, 2018
    Applicants: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION, Mitsubishi Electric Corporation
    Inventors: Keisuke OHNISHI, Masahiro KINOSHITA, Kimiyuki KOYANAGI
  • Publication number: 20180076657
    Abstract: An uninterruptible power supply device (U1) includes a converter (40), an inverter (41), a bidirectional chopper (24), and a controller (53). The bidirectional chopper (24) includes first to fourth transistors (Q11-Q14), first to fourth diodes (D11-D14), and first and second, coils (51, 52). In a charging mode, the controller (53) causes the first and fourth transistors (Q11, Q14) to be complementarily turned on and controls the ON period of each of the first and fourth transistors (Q11, Q14) so as to cause respective detected values of first current and second current (11, 12) flowing through the first coil and the second coil (51, 52) to be equal to each other.
    Type: Application
    Filed: April 1, 2015
    Publication date: March 15, 2018
    Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventors: Kazuki NISHIMURA, Hiroshi MASUNAGA, Masahiro KINOSHITA
  • Publication number: 20180076656
    Abstract: An uninterruptible power supply device (60) does not have a wire connecting a bidirectional chopper (24) to a neutral point (NP). The bidirectional chopper (24) includes first and second capacitors (C11, C12), first to fourth transistors (Q11-Q14), and a normal mode reactor (50). In a discharging mode, a controller (63) causes the second and third transistors (Q12, Q13) to be complementarily turned on and controls the ON period of each of the second and third transistors (Q12, Q13) so that terminal-to-terminal voltages (V11, V12) of the first and second capacitors (C11, C12) are equal to each other.
    Type: Application
    Filed: April 1, 2015
    Publication date: March 15, 2018
    Applicant: TOSHIBA MITSUBISCH-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventors: Kazuki NISHIMURA, Hiroshi MASUNAGA, Masahiro KINOSHITA
  • Patent number: 9906074
    Abstract: A power supply system includes an uninterruptable power-supply apparatus supplying power to a load, a switch connecting a bypass power supply to the load, and a switching circuit turning the switch on when the uninterruptable power-supply apparatus is stopped. In a case where the uninterruptable power-supply apparatus is stopped, the switching circuit turns the switch on when a phase of an output voltage of the bypass power supply is equal to a phase of an output voltage of the uninterruptable power-supply apparatus at a stopped timing.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: February 27, 2018
    Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventor: Masahiro Kinoshita
  • Patent number: 9824813
    Abstract: A reactor includes an annular iron core and four coils separately wound around the iron core. The four coils have first electrodes connected to output terminals of four choppers, respectively, and second electrodes each connected to a load. Therefore, the four choppers can be connected in parallel to the load by one reactor.
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: November 21, 2017
    Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventor: Masahiro Kinoshita
  • Publication number: 20170310152
    Abstract: An uninterruptible power supply apparatus includes a converter (5) configured to convert AC power into DC power, and an inverter (10) configured to convert DC power into AC power and supply the converted power to a load (24). The load (24) is configured to receive an AC voltage within a range of allowable input voltage to consume constant AC power. The uninterruptible power supply apparatus has maximum efficiency ? when a ratio of load capacity to rated capacity of the uninterruptible power supply apparatus is a predetermined value ?. The uninterruptible power supply apparatus further includes a control device (18) configured to control an output voltage of the inverter (10) within the range of allowable input voltage so as to increase the efficiency ?, when the ratio of the load capacity to the rated capacity is different from the predetermined value ?.
    Type: Application
    Filed: November 27, 2014
    Publication date: October 26, 2017
    Applicant: Toshiba Mitsubishi-Electric Industrial Systems Corporation
    Inventors: Masaru TOYODA, Masahiro KINOSHITA
  • Publication number: 20170302105
    Abstract: The present uninterruptible power supply apparatus includes a converter (5) configured to convert AC power into DC power; an inverter (10) configured to convert DC power into AC power and supply the converted AC power to a load (24); and a control device (18) configured to control the converter (5) and the inverter (10). The control device (18) is configured to execute a mode selected from a sinusoidal wave output mode and a waveform distortion generation mode. In the sinusoidal wave output mode, an AC voltage (VO) with a sinusoidal waveform and with no waveform distortion is supplied to the load (24). In the waveform distortion generation mode, an AC voltage (VO) with waveform distortion within an allowable range for the load (24) is supplied to the load (24).
    Type: Application
    Filed: December 8, 2014
    Publication date: October 19, 2017
    Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventors: Masaru TOYODA, Masahiro KINOSHITA
  • Patent number: 9780681
    Abstract: An uninterruptible power supply system includes a plurality of uninterruptible power supply devices, and each uninterruptible power supply device includes a conversion circuit, an inversion circuit, a DC positive bus, a DC negative bus, and a capacitor. The uninterruptible power supply system includes a first wiring connected between DC positive buses of two uninterruptible power supply devices, and a second wiring connected between DC negative buses of the two uninterruptible power supply devices. The operation of all uninterruptible power supply devices is stopped in response to an absolute value of a current flowing through a bundle of the first and second wirings exceeding an upper limit value.
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: October 3, 2017
    Assignee: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATION
    Inventors: Shoichi Abe, Masahiro Kinoshita