Patents by Inventor Keisuke Suzuki

Keisuke Suzuki 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: 20230188070
    Abstract: Provided is a motor controller that can estimate the magnetic flux of a magnet without changing a current of an electric motor. A motor controller 1 includes a current detecting unit 15 that detects a current of an electric motor 5, a current stability determining unit 10 that determines whether or not a current detected by the current detecting unit 15 is stable, and a magnetic flux calculating unit (filters 8a to 8e, a current conversion unit 4b, a resistance calculating unit 9, a magnet magnetic flux estimating unit 11) that based on a determination made by the current stability determining unit 10 as to current stability, calculates the magnetic flux of a magnet of the electric motor 5, according to a voltage equation in a rotating coordinate system, to output the calculated magnet flux.
    Type: Application
    Filed: January 29, 2021
    Publication date: June 15, 2023
    Applicant: HITACHI ASTEMO, LTD.
    Inventors: Yasuaki SATO, Keisuke SUZUKI, Katsuhiro HOSHINO, Hideki SEKIGUCHI
  • Patent number: 11597283
    Abstract: An object of the present invention is to provide a control apparatus for an electric vehicle capable of preventing the vehicle from being destabilized because a rear wheel is locked first or drivability from reducing because a front wheel is locked early. A control apparatus includes a regenerative braking force calculation portion configured to calculate a regenerative braking force to be generated on each of a front motor and a rear motor based on a request braking force requested to an electric vehicle, a power limit portion configured to reduce the regenerative braking force based on a power limit on a power source, and a frictional braking force output portion configured to output an instruction for generating a frictional braking force according to a regenerative braking force reduction amount, which is an amount of a reduction in the regenerative braking force by the power limit portion, to a brake apparatus.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: March 7, 2023
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Keisuke Suzuki, Satoshi Kaneko
  • Publication number: 20230026751
    Abstract: The present invention relates to a polishing apparatus and a polishing method for polishing a workpiece, such as a wafer on which a pattern is formed, on a polishing pad, and more particularly, relates to a polishing apparatus and a polishing method for detecting a geometric element of a pattern, such as a pitch. The polishing apparatus includes: a polishing table (3) configured to support a polishing pad (2); a polishing head (1) configured to press a workpiece (W), having a pattern formed therein, against the polishing pad (2) and polish a surface of the workpiece (W), an imaging device (20) disposed in the polishing table (3) and configured to generate an image including at least the pattern of the workpiece (W), and an image analysis system (30) configured determining a geometric element of the pattern of the workpiece (W) based on the image.
    Type: Application
    Filed: November 30, 2020
    Publication date: January 26, 2023
    Inventors: Hisanori MATSUO, Keisuke SUZUKI
  • Publication number: 20230027431
    Abstract: An electric vehicle control device, an electric vehicle control method, and an electric vehicle control system according to one embodiment of the present invention are configured to: obtain, based on operation information on release of an accelerator pedal of a vehicle and turn information on a turn of the vehicle, change rate information on a temporal change amount of a regenerative braking force with respect to an operation amount of the accelerator pedal; and output a regenerative braking control command for applying the regenerative braking force to a wheel based on the change rate information.
    Type: Application
    Filed: January 12, 2021
    Publication date: January 26, 2023
    Inventors: Satoshi KANEKO, Keisuke SUZUKI
  • Publication number: 20230022784
    Abstract: A power converter configured to be connected to three or more voltage parts, includes three or more power-conversion circuitries to be connected to respective ones of the three or more voltage parts, and a multi-port transformer connected to the three or more power-conversion circuitries at respectively different ports. The three or more voltage parts include a vehicle drive battery and a plurality of alternating-current (AC) voltage parts. Each of the plurality of AC voltage parts is configured to provide at least one of power input to a multi-port transformer side and power output from the multi-port transformer side.
    Type: Application
    Filed: September 30, 2022
    Publication date: January 26, 2023
    Applicant: DENSO CORPORATION
    Inventors: Yoshiki SUZUKI, Keisuke SUZUKI, Takumi SHIMIZU, Shuji KURAUCHI
  • Publication number: 20230009720
    Abstract: A method of forming a film is performed in a heat treatment apparatus that includes a processing container, a tubular member provided in the processing container, a heater configured to heat an inside of the processing container, and a gas supply. The method includes: providing a substrate in the tubular member; adjusting a temperature inside the tubular member by the heater; and after adjusting the temperature, supplying a gas containing a film-forming gas from the gas supply into the processing container to form a film on the substrate. In the adjusting the temperature, a gas containing a heat transfer gas is supplied from the gas supply into the processing container.
    Type: Application
    Filed: July 5, 2022
    Publication date: January 12, 2023
    Inventors: Yasuaki KIKUCHI, Tsubasa YOKOI, Tatsuya YAMAGUCHI, Keisuke SUZUKI
  • Patent number: 11498535
    Abstract: An apparatus includes a control apparatus for an electric vehicle. The control apparatus outputs an instruction to reduce the first regenerative braking force according to the physical amount regarding the stroke of the brake pedal to the electric motor. The control apparatus also outputs an instruction to add a braking force corresponding to a third regenerative braking force, which is a regenerative braking force corresponding to an amount of the reduction in the first regenerative braking force, to the brake actuation braking force when the signal regarding the pressing of the brake pedal is input after the signal regarding the return of the pressed accelerator pedal is input.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: November 15, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Keisuke Suzuki, Kazuya Takahashi, Satoshi Kaneko
  • Publication number: 20220340018
    Abstract: A control apparatus for a vehicle includes an addition portion that outputs a post-compensation driver request torque, which is acquired by adding a driving torque (a loss compensation driving torque) lost due to a braking torque provided to a wheel on a low-? road surface side according to a BLSD request hydraulic pressure calculated by a BLSD request hydraulic pressure calculation processing portion to a driver request torque calculated by a driver request torque calculation processing portion, to a motor.
    Type: Application
    Filed: July 7, 2022
    Publication date: October 27, 2022
    Inventors: Satoshi KANEKO, Keisuke SUZUKI, Kazuya TAKAHASHI
  • Patent number: 11447694
    Abstract: A method for manufacturing a wavelength conversion member that offers a high emission intensity and a high light conversion efficiency is provided. The method for manufacturing a wavelength conversion member includes providing a green body containing an yttrium-aluminum-garnet phosphor with a composition represented by Formula (I) below and alumina particles with an alumina purity of 99.0% by mass or more, primary-sintering the green body to obtain a first sintered body, and secondary-sintering the first sintered body by applying a hot isostatic pressing (HIP) treatment to obtain a second sintered body. (Y1-a-bGdaCeb)3Al5O12??(I) wherein a and b satisfy 0?a?0.3 and 0?b?0.022.
    Type: Grant
    Filed: February 4, 2021
    Date of Patent: September 20, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Tadayoshi Yanagihara, Naoto Fujioka, Keisuke Suzuki
  • Patent number: 11440403
    Abstract: Provided is a control apparatus for an electric vehicle that can set a final torque instruction value without necessitating a repetition of a calculation. A control apparatus calculates a power limit value of each motor that is used when power is supplied to a plurality of motors, based on a power limit value of a power source, and calculates a torque instruction value of each motor based on the power limit value of each motor.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: September 13, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Keisuke Suzuki, Satoshi Kaneko, Kazuya Takahashi
  • Patent number: 11440896
    Abstract: The present invention directs to provide a novel compound for treating and/or preventing pain, having excellent skin permeation and reduced skin irritation.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: September 13, 2022
    Assignee: Daiichi Sankyo Company, Limited
    Inventor: Keisuke Suzuki
  • Patent number: 11444502
    Abstract: A coil bobbin of the present disclosure is a coil bobbin attached to a stator core of a distributed winding radial gap-type rotating electric machine, and includes a teeth holding portion and a slot insulator which are made of an insulator. The teeth holding portion has: a first wall surface that covers a first circumferential side surface of a tooth of the stator core; a second wall surface that covers at least a part of a second circumferential side surface of the tooth; and a third wall surface that covers both side surfaces in an axial direction of the tooth. The slot insulator is formed integrally with the first wall surface of the teeth holding portion, and has a plurality of through-holes extending in the axial direction and arrayed in a radial direction.
    Type: Grant
    Filed: November 16, 2020
    Date of Patent: September 13, 2022
    Assignee: HITACHI HIGH-TECH CORPORATION
    Inventors: Yuji Enomoto, Seiji Okita, Keisuke Suzuki, Kohei Eto, Eiji Katayama
  • Patent number: 11364806
    Abstract: Provided is a control apparatus for an electric vehicle, which is capable of suppressing simultaneous slip of front and rear wheels. The control apparatus for an electric vehicle includes a control portion configured to control a front electric motor and a rear electric motor so that an achievement rate of a torque command with respect to a target torque in one motor of the front and rear electric motors is lower than the achievement rate in the other motor of the front and rear electric motors.
    Type: Grant
    Filed: December 1, 2017
    Date of Patent: June 21, 2022
    Inventors: Keisuke Suzuki, Hitoshi Kobayashi, Kazuya Takahashi
  • Publication number: 20220138063
    Abstract: Virtual first logical volumes are provided to a host, a virtual second logical volume correlated with any one of the first logical volumes is created in a storage node in correlation with a storage control module disposed in the storage node, a correspondence relationship between the first and second logical volumes is managed as mapping information, a storage node which is an assigning distribution of an I/O request is specified on the basis of the mapping information in a case where the I/O request in which the first logical volume is designated as an I/O destination is given from the host, the I/O request is assigned to the storage control module of its own node in a case where the specified storage node is its own node, and the I/O request is assigned to another storage node in a case where the specified storage node is another storage node.
    Type: Application
    Filed: January 13, 2022
    Publication date: May 5, 2022
    Inventors: Kouji Iwamitsu, Takuya Ogusu, Keisuke Suzuki, Masayuki Gomyo, Shinri Unoue
  • Publication number: 20220139942
    Abstract: A semiconductor device includes an electric-charge storing film, an electrode, a first block film, and a second block film. The first block film is arranged between the electric-charge storing film and the electrode. The second block film is arranged between the first block film and the electric-charge storing film. The first block film is an oxide film containing tantalum, and an electric permittivity of the first block film is larger than an electric permittivity of the second block film.
    Type: Application
    Filed: January 19, 2022
    Publication date: May 5, 2022
    Applicant: Tokyo Electron Limited
    Inventors: Genji NAKAMURA, Keisuke SUZUKI, Kimiya AOKI
  • Patent number: 11267345
    Abstract: Provided is a control apparatus, a control method, and a control system for an electric vehicle that can prevent or reduce an unnecessary torque fluctuation on a wheel not targeted for slip control. A control apparatus for an electric vehicle limits a torque to be output to a non-target wheel according to a torque output to a target wheel after target wheel slip control is started, and updates a limit value of the torque to be output to the non-target wheel when a fluctuation range of the torque output to the target wheel falls within a predetermined range during the limitation.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: March 8, 2022
    Assignee: Hitachi Astemo, Ltd.
    Inventors: Satoshi Kaneko, Keisuke Suzuki
  • Publication number: 20220063626
    Abstract: A control device, a control method, and a control system for an electric vehicle are configured to use both of one-pedal feedback control based on an acceleration and one-pedal feedback control based on a speed, to thereby decelerate a vehicle to stop.
    Type: Application
    Filed: November 28, 2019
    Publication date: March 3, 2022
    Inventors: Satoshi KANEKO, Keisuke SUZUKI
  • Patent number: 11256582
    Abstract: Virtual first logical volumes are provided to a host, a virtual second logical volume correlated with any one of the first logical volumes is created in a storage node in correlation with a storage control module disposed in the storage node, a correspondence relationship between the first and second logical volumes is managed as mapping information, a storage node which is an assigning distribution of an I/O request is specified on the basis of the mapping information in a case where the I/O request in which the first logical volume is designated as an I/O destination is given from the host, the I/O request is assigned to the storage control module of its own node in a case where the specified storage node is its own node, and the I/O request is assigned to another storage node in a case where the specified storage node is another storage node.
    Type: Grant
    Filed: April 10, 2020
    Date of Patent: February 22, 2022
    Assignee: Hitachi, Ltd.
    Inventors: Kouji Iwamitsu, Takuya Ogusu, Keisuke Suzuki, Masayuki Gomyo, Shinri Inoue
  • Patent number: 11234593
    Abstract: In a slit lamp microscope, ease of maintenance of an illumination-power-supply cable is improved while preventing the cable from appearing untidy. An illumination support arm of a slit lamp microscope is provided with a groove-shaped cable holder in which the illumination-power-supply cable is disposed along the outer surface of the illumination support arm in an externally exposed state. This configuration facilitates replacement of the illumination-power-supply cable even when a problem, such as breaking of the illumination-power-supply cable, occurs, thus improving ease of maintenance. Furthermore, because the illumination-power-supply cable is disposed along the groove-shaped cable holder, the slit lamp microscope has a neat appearance.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: February 1, 2022
    Assignee: RIGHT MFG. CO., LTD.
    Inventors: Norikazu Hamanaka, Hajime Hakamada, Kotaro Kawanishi, Keisuke Suzuki
  • Publication number: 20210403382
    Abstract: A method for producing a ceramic complex includes: preparing a raw material mixture that contains 5% by mass or more and 40% by mass or less of first rare earth aluminate fluorescent material particles containing an activating element and a first rare earth element different from the activating element, 0.1% by mass or more and 32% by mass or less of oxide particles containing a second rare earth element, and the balance of aluminum oxide particles, relative to 100% by mass of the total amount of the first rare earth aluminate fluorescent material particles, the oxide particles, and the aluminum oxide particles; preparing a molded body of the raw material mixture; and obtaining a sintered body by calcining the molded body in a temperature range of 1,550° C. or higher and 1,800° C. or lower.
    Type: Application
    Filed: June 29, 2021
    Publication date: December 30, 2021
    Applicant: NICHIA CORPORATION
    Inventors: Toshiyuki HIRAI, Keisuke SUZUKI, Hirofumi OGURI