Patents by Inventor Yoshinori Miyamoto

Yoshinori Miyamoto 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).

  • Patent number: 11913813
    Abstract: A power generation element includes a magnetic member that produces a large Barkhausen effect and magnetism collection members including an insertion part having the magnetic member inserted therethrough. The magnetism collection member includes a first component on an opposite side of a boundary plane to a magnetic field generation unit and a second component on the same side of the boundary plane as the magnetic field generation unit, the boundary plane passing through a center of an imaginary circle inscribed in the insertion part and having a diameter equal to a length of the insertion part in a third direction perpendicular to first and second directions, the first direction is a direction of the insertion of the magnetic member, and the second direction is a direction in which the magnetic field generation unit is disposed. A volume of the second component is larger than a volume of the first component.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: February 27, 2024
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Yoshitomo Nakamura, Yoshinori Miyamoto, Shinichiro Yoshida, Hisanori Torii, Takeshi Musha, Masanori Nimura, Shizuka Ueda, Takuya Noguchi, Toshio Mekata, Yuji Kubo, Hitoshi Hasegawa
  • Patent number: 11914918
    Abstract: A medical information processing apparatus comprises an obtaining unit that obtains medical information, a learning unit that performs learning on a function of the medical information processing apparatus using the medical information, an evaluation data holding unit that holds evaluation data in which a correct answer to be obtained by executing the function is known, the evaluation data being for evaluating a learning result of the learning unit, an evaluating unit that evaluates a learning result obtained through learning, based on the evaluation data, and an accepting unit that accepts an instruction to apply a learning result of the learning unit to the function.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: February 27, 2024
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoshihito Machida, Yoshinori Hirano, Hideaki Miyamoto, Daisuke Yamada
  • Patent number: 11903174
    Abstract: A system (20) for controlling an air conditioner (12) includes a plurality of pressure sensors (19) and a controller (13). Each of the pressure sensors (19) is positioned at an air inlet (15) of each of the racks (11). The controller (13) is configured to receive pressure values from the pressure sensors (19) and control an airflow rate of the cooling air supplied from the air conditioner (12) based on the pressure values. The controller (13) is configured to set a target pressure value for each pressure sensor (19) (S300), acquire a current pressure value for each pressure sensor (S401), calculate a pressure drop value for each pressure sensor (19) between the current pressure value and the target pressure value (S402), and adjust the airflow rate based on a maximum value among the plurality of the pressure drop values (S403 to S410).
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: February 13, 2024
    Assignee: NEC CORPORATION
    Inventors: Nirmal Singh Rajput, Yoshinori Miyamoto, Hisato Sakuma, Minoru Yoshikawa
  • Publication number: 20230392962
    Abstract: A power generation element includes a magnetic member that produces a large Barkhausen effect and magnetism collection members including an insertion part having the magnetic member inserted therethrough. The magnetism collection member includes a first component on an opposite side of a boundary plane to a magnetic field generation unit and a second component on the same side of the boundary plane as the magnetic field generation unit, the boundary plane passing through a center of an imaginary circle inscribed in the insertion part and having a diameter equal to a length of the insertion part in a third direction perpendicular to first and second directions, the first direction is a direction of the insertion of the magnetic member, and the second direction is a direction in which the magnetic field generation unit is disposed. A volume of the second component is larger than a volume of the first component.
    Type: Application
    Filed: December 27, 2021
    Publication date: December 7, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoshitomo NAKAMURA, Yoshinori MIYAMOTO, Shinichiro YOSHIDA, Hisanori TORII, Takeshi MUSHA, Masanori NIMURA, Shizuka UEDA, Takuya NOGUCHI, Toshio MEKATA, Yuji KUBO, Hitoshi HASEGAWA
  • Patent number: 11821667
    Abstract: A cooling apparatus includes a heat receiver that evaporates a low pressure heat transfer medium. The apparatus includes a compressor that compresses the evaporated heat transfer medium in a gas phase state, and a condenser that condenses the compressed heat transfer medium. The apparatus includes a receiver tank that receives and stores at least one of the heat transfer medium from any place in a flow path of the medium in the gas phase state that returns the medium to the heat receiver and the condensed medium in a liquid phase state. The apparatus includes an air storage tank that air separated from the heat transfer medium. The apparatus includes a liquid level controller that controls a liquid level in the receiver tank such that the heat transfer medium is stored in the receiver tank at a predetermined liquid level height.
    Type: Grant
    Filed: November 8, 2021
    Date of Patent: November 21, 2023
    Assignee: NEC CORPORATION
    Inventors: Yoshinori Miyamoto, Minoru Yoshikawa, Masaki Chiba
  • Patent number: 11774115
    Abstract: An air conditioner includes: a turbo compressor that compresses a heat medium; a heat exchanger that exchanges heat of the heat medium supplied from the turbo compressor with an atmosphere; and a supply flow path and a discharge flow path that connect the turbo compressor and the heat exchanger. At least one of the supply flow path and the discharge flow path includes piping, and the piping includes a gas barrier layer that covers a surface of a synthetic resin.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: October 3, 2023
    Assignee: NEC CORPORATION
    Inventors: Masaki Chiba, Kunihiko Ishihara, Minoru Yoshikawa, Junichi Miyamoto, Yoshinori Miyamoto
  • Publication number: 20230309273
    Abstract: The present disclosure can provide a system, method and non-transitory computer readable storage medium capable of generating a uniform airflow at a heat exchanger surface. A system includes: a cooling unit body (11, 21) having an airflow inlet (18, 28) and an airflow outlet (15, 25); a heat exchanger (12, 22) provided inside the cooling unit body; and a plurality of fans (16, 17, 26, 27) provided at the airflow inlet. The system may include air velocity sensors (265, 275) provided at the heat exchanger (22).
    Type: Application
    Filed: August 13, 2020
    Publication date: September 28, 2023
    Applicant: NEC Corporation
    Inventors: Nirmal Singh RAJPUT, Masaki Chiba, Yoshinori Miyamoto, Junichi Miyamoto, Minoru Yoshikawa
  • Publication number: 20230213253
    Abstract: A cooling device using a refrigeration cycle in which a refrigerant is circulated through a heat receiver, a compressor, a heat radiator, and an expansion valve includes: a gas-liquid separator configured to perform gas-liquid separation on the refrigerant supplied from the expansion valve; a pump configured to send a liquid phase refrigerant separated by the gas-liquid separator to the heat receiver; and a control unit configured to control opening and closing of a refrigerant flow path of the refrigeration cycle, and an operation and stop of the compressor and the pump, wherein the control unit starts the operation of the pump on condition that a net positive suction head of the pump has reached a predetermined value or more.
    Type: Application
    Filed: September 13, 2021
    Publication date: July 6, 2023
    Applicant: NEC Corporation
    Inventors: Takashi OHTSUKA, Koichi Todoroki, Yoshinori Miyamoto, Masaki Chiba, Mahiro Hachiya, Minoru Yoshikawa
  • Publication number: 20230196910
    Abstract: Road traffic volume information is acquired, and CO2 recovery devices 30, 30a for recovering CO2 exhausted into the air from vehicles on a road and drifting around the road are installed. Activation of the CO2 recovery devices 30, 30a is controlled based on the road traffic volume information.
    Type: Application
    Filed: October 17, 2022
    Publication date: June 22, 2023
    Inventors: Yasushi Hirata, Koseki Sugiyama, Yoshinori Miyamoto, Kazuki Kaneko, Yusaku Onochi, Daiki Yokoyama, Akihiro Kusumoto
  • Patent number: 11683912
    Abstract: A cooling device includes: a duct that guides air that has absorbed heat generated inside a cooling target and has been discharged, to the cooling target; a cooler that is provided in the duct and cools the air flowing inside the duct; and an adjusting mechanism that is located on a downstream side of the cooler, adjusts an amount of the air discharged from the duct into a room where the cooling target is installed.
    Type: Grant
    Filed: August 10, 2021
    Date of Patent: June 20, 2023
    Assignee: NEC CORPORATION
    Inventors: Kenji Kobayashi, Koichi Todoroki, Nirmal Singh Rajput, Yoshinori Miyamoto, Masaki Chiba, Minoru Yoshikawa
  • Patent number: 11626301
    Abstract: A method for manufacturing a semiconductor element includes: providing a wafer comprising first and second regions at an upper surface of the wafer, the second region being located at a periphery of the first region and being at a lower position than the first region; and forming a semiconductor layer made of a nitride semiconductor at the upper surface of the wafer. In a top-view, the first region comprises an extension portion at an end portion of the first region in a first direction that passes through the center of the wafer parallel to an m-axis of the semiconductor layer, the extension portion extending in a direction from a center of the wafer toward an edge of the wafer or in a direction from an edge of the wafer toward a center of the wafer.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: April 11, 2023
    Assignee: NICHIA CORPORATION
    Inventors: Haruhiko Nishikage, Yoshinori Miyamoto, Yasunobu Hosokawa
  • Publication number: 20230068474
    Abstract: The present disclosure includes: a magnetic member configured to cause a large Barkhausen effect; a power generation coil disposed so as to be wound around the magnetic member; and soft magnetic members formed at both end portions of the magnetic member so as to be in contact with the magnetic member and so as to press the magnetic member. Consequently, evenness of a magnetic flux density inside the magnetic member is increased, and the large Barkhausen effect is stably caused, whereby a highly stable power generation element is obtained.
    Type: Application
    Filed: March 23, 2021
    Publication date: March 2, 2023
    Applicant: Mitsubishi Electric Corporation
    Inventors: Yoshitomo NAKAMURA, Shinichiro YOSHIDA, Hisanori TORII, Masanori NIMURA, Shizuka UEDA, Yuji KUBO, Takuya NOGUCHI, Akira YOKOYAMA, Takeshi MUSHA, Yoshinori MIYAMOTO
  • Publication number: 20220377944
    Abstract: The present invention provides an attachment for a server rack cooling system having at least one heat exchange condenser, the attachment includes: a pipe extension configured to connect to a portion of the server rack cooling system at which air and refrigerant are able to be transferred into the attachment from the at least one heat exchange condenser; a valve on the pipe extension configured to allow exhaust to the outside through the pipe extension at an open position and to block exhaust to the outside at a closed position; and an sensor disposed at a position inside of the pipe extension between the at least one heat exchange condenser and the valve and configured to provide a detection signal determined by a presence of fluid at the position of the sensor; wherein, the valve is opened and closed based on the detection signal from the sensor.
    Type: Application
    Filed: October 2, 2019
    Publication date: November 24, 2022
    Applicant: NEC Corporation
    Inventors: Nirmal Singh RAJPUT, Masaki CHIBA, Mahiro HACHIYA, Takafumi NATSUMEDA, Yoshinori MIYAMOTO, Minoru YOSHIKAWA
  • Publication number: 20220279684
    Abstract: A cooling system includes: a local cooler that is positioned near a server serving as a heat source and that evaporates a refrigerant by directly receiving heat from the server to generate a gas-phase refrigerant; a compressor that compresses the gas-phase refrigerant; an outdoor unit that condenses the gas-phase refrigerant supplied from the compressor by dissipating heat from the gas-phase refrigerant; an expansion valve that depressurizes the refrigerant supplied from the outdoor unit and sends the refrigerant to the local cooler; a pair of detectors that are respectively provided at an inlet side and an outlet side of the compressor and detect a state of the gas-phase refrigerant supplied from the local cooler; and a proportional control valve and a high-speed on-off valve that are operated based on a refrigerant state ratio calculated from a detection value of the detectors.
    Type: Application
    Filed: July 9, 2019
    Publication date: September 1, 2022
    Applicant: NEC Corporation
    Inventors: Yoshinori MIYAMOTO, Takafumi NATSUMEDA, Minoru YOSHIKAWA
  • Publication number: 20220192057
    Abstract: A local cooler includes: a housing formed into a box shape; a heat exchanger provided along a slope extending upward to a rear portion from a lower position located on the front side of the housing; a first intake/exhaust port provided on a front surface of the housing; a second intake/exhaust port provided on a bottom surface of the housing; third intake/exhaust ports provided at a plurality of locations among side surfaces, upper surface and rear surface of the housing; and a closing plate capable of selectively shielding these intake/exhaust ports.
    Type: Application
    Filed: April 13, 2020
    Publication date: June 16, 2022
    Applicant: NEC Corporation
    Inventors: Koichi TODOROKI, Minoru YOSHIKAWA, Kunihiko ISHIHARA, Masaki CHIBA, Yoshinori MIYAMOTO, Takafumi NATSUMEDA, Nirmal Singh RAJPUT
  • Patent number: 11363744
    Abstract: When an enclosed space is formed, by at least one of surfaces forming an exterior shape of a shielding member and an intake or exhaust surface among surfaces forming an exterior shape of heat-generating housings, in such a way that a taken-in airflow and an exhausted airflow of the heat-generating housings installed in at least two rows can be separated or substantially separated, a cooling system includes: a duct formed to be able to separate or substantially separate a first airflow and a second airflow being intake/exhaust of a specific heat-generating housing among the heat-generating housings, and heat-generating housings other than the specific heat-generating housing, respectively; and a cooling enhancement unit enhancing cooling for the specific heat-generating housing by acting on the first airflow, thereby avoiding occurrence of a hot spot due to a high-heat-generating housing, in a system building an air-conditioning environment such as aisle capping.
    Type: Grant
    Filed: September 6, 2017
    Date of Patent: June 14, 2022
    Assignee: NEC CORPORATION
    Inventors: Minoru Yoshikawa, Hisato Sakuma, Yoshinori Miyamoto, Masaki Chiba
  • Publication number: 20220170662
    Abstract: An air conditioning control device includes a differential pressure calculation unit that calculates differential pressure between the intake side and the exhaust side of a rack containing at least one server, and a rotational speed control unit that controls the rotational speed of an air conditioning fan on the basis of the differential pressure. The rotational speed control unit increases or decreases the rotational speed of the air conditioning fan depending on the variation of the differential pressure in the event of a change in the rotational speed of the air conditioning fan.
    Type: Application
    Filed: January 23, 2020
    Publication date: June 2, 2022
    Applicant: NEC Corporation
    Inventors: Yoshinori MIYAMOTO, Minora YOSHIKAWA, Nirmal Singh RAJPUT, Takafumi NATSUMEDA
  • Publication number: 20220151115
    Abstract: A system (20) for controlling an air conditioner (12) includes a plurality of pressure sensors (19) and a controller (13). Each of the pressure sensors (19) is positioned at an air inlet (15) of each of the racks (11). The controller (13) is configured to receive pressure values from the pressure sensors (19) and control an airflow rate of the cooling air supplied from the air conditioner (12) based on the pressure values. The controller (13) is configured to set a target pressure value for each pressure sensor (19) (S300), acquire a current pressure value for each pressure sensor (S401), calculate a pressure drop value for each pressure sensor (19) between the current pressure value and the target pressure value (S402), and adjust the airflow rate based on a maximum value among the plurality of the pressure drop values (S403 to S410).
    Type: Application
    Filed: March 18, 2019
    Publication date: May 12, 2022
    Applicant: NEC Corporation
    Inventors: Nirmal Singh RAJPUT, Yoshinori MIYAMOTO, Hisato SAKUMA, Minoru YOSHIKAWA
  • Publication number: 20220146167
    Abstract: A cooling apparatus includes a heat receiver that evaporates a low pressure heat transfer medium; a compressor that compresses the evaporated heat transfer medium in a gas phase state, a condenser that condenses the compressed heat transfer medium, a receiver tank that receives and stores at least one of the heat transfer medium from any place in a flow path of the heat transfer medium in the gas phase state that returns the heat transfer medium to the heat receiver and the condensed heat transfer medium in a liquid phase state, an air storage tank that introduces and stores air separated from the heat transfer medium in the receiver tank, and a liquid level controller that controls a liquid level in the receiver tank such that the heat transfer medium in the liquid phase state is stored in the receiver tank at a predetermined liquid level height.
    Type: Application
    Filed: November 8, 2021
    Publication date: May 12, 2022
    Applicant: NEC Corporation
    Inventors: Yoshinori MIYAMOTO, Minoru YOSHIKAWA, Masaki CHIBA
  • Publication number: 20220141993
    Abstract: A cooling apparatus includes a duct provided above a cooling target and configured to guide an air discharged after absorbing heat generated inside the cooling target to the cooling target, a cooler provided in the duct and configured to cool the air flowing in the duct, and an adjusting mechanism provided downstream of the cooler and configured to adjust the air discharged from the duct to the cooling target, and the duct receives the air discharged from one side of the cooling target and directed upward, guides the air to another side of the cooling target, and discharges the air downward on the other side, and the adjusting mechanism changes a position of an opening at a discharge port of the duct.
    Type: Application
    Filed: October 20, 2021
    Publication date: May 5, 2022
    Applicant: NEC Corporation
    Inventors: Kenji KOBAYASHI, Kunihiko ISHIHARA, Koichi TODOROKI, Yoshinori MIYAMOTO, Minoru YOSHIKAWA