Patents by Inventor Hirokazu Kato

Hirokazu Kato 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: 20190301433
    Abstract: A method of repairing or reinforcing, or attaching an accessory part to a wind turbine blade includes: determining a criterion to be satisfied by a repair member including a reinforcing fiber and a UV curable resin, the criterion being an adhesion strength of the repair member relative to a base member of the wind turbine blade; determining a work condition including: dimensions of the repair member, the number of the layers of the reinforcing fiber in the repair member, and/or a fiber extension direction of the reinforcing fiber, based on a damage condition of a repair target portion of the wind turbine blade; placing the reinforcing fiber and UV curable resin on the repair target portion based on the determined work condition; and obtaining the repair member by curing the UV curable resin so that the adhesion strength of the repair member relative to the base member satisfies the criterion.
    Type: Application
    Filed: December 20, 2018
    Publication date: October 3, 2019
    Inventors: Naota WATANABE, Hirokazu YAMASAKI, Yoshihiko HAYASHI, Eiji KATO
  • Patent number: 10429850
    Abstract: Provided are an automatic parking apparatus and the like, which are capable of easily setting a target parking area and moving or guiding a vehicle to the target parking area. The automatic parking apparatus includes: a monitor device configured to photograph surroundings of an own vehicle; an image display device including: a display screen configured to display an image obtained through the photographing by the monitor device; an image generation unit configured to generate an image to be displayed on the display screen from the image obtained through the photographing, and to display the image; and an input device; and a vehicle control device configured to control the own vehicle to move to a parking area, which is designated through the input device with respect to the displayed image.
    Type: Grant
    Filed: May 3, 2017
    Date of Patent: October 1, 2019
    Assignee: Mitsubishi Electric Corporation
    Inventors: Yoichi Kato, Hirokazu Shimizu, Nariaki Takehara
  • Patent number: 10411568
    Abstract: A method of manufacturing a laminated stator core includes: blanking an electrical steel sheet at 1st to Nth (N is a natural number equal to or greater than 2) positions arranged in the width direction of the electrical steel sheet to form 1st to Nth blank members, and laminating the 1st to Nth blank members to form a laminated stator core. The shape or arrangement of at least one odd-shaped part of a plurality of odd-shaped parts in the kth (k is a natural number of 1 to N) blank member differs from the shape or arrangement of at least one odd-shaped part of a plurality of odd-shaped parts in the mth (m is a natural number of 1 to N and satisfying m?k) blank member such that the shapes of given two blank members do not agree with each other.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: September 10, 2019
    Assignees: Mitsui High-tec, Inc., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hirokazu Arakawa, Go Kato, Syo Yamaguchi, Shinya Sano
  • Publication number: 20190263024
    Abstract: According to one embodiment, a template for imprint patterning processes comprises a template substrate having a first surface and a pedestal on the first surface of the template substrate, the pedestal having a second surface spaced from the first surface in a first direction perpendicular to the first surface. A pattern is disposed on the second surface. The pedestal has a sidewall between the first surface and the second surface that is at an angle of less than 90° to the second surface.
    Type: Application
    Filed: August 29, 2018
    Publication date: August 29, 2019
    Inventors: Kei KOBAYASHI, Anupam MITRA, Seiji MORITA, Hirokazu KATO
  • Patent number: 10343549
    Abstract: A railway vehicle having a plurality of electrical circuits is presented herein. The railway vehicle comprises an external power supply connection portion; a contactor of a normally closed type that opens and closes a common line connecting the plurality of electrical circuits to a ground, the contactor opening the common line by receiving supply of electric power through the external power supply connection portion and closing the common line when no current is applied; and an operation prohibition determining unit that determines whether supply of electric power to the plurality of electrical circuits is stopped and that prohibits the contactor from opening the common line when the supply of electric power is not stopped.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: July 9, 2019
    Assignee: CENTRAL JAPAN RAILWAY COMPANY
    Inventors: Kei Sakanoue, Masashi Furuya, Hirokazu Kato, Shigekazu Okada
  • Publication number: 20190106810
    Abstract: Provided is a method of evaluating cleanliness of a member having a silicon carbide surface, the method including bringing the silicon carbide surface into contact with a mixed acid of hydrofluoric acid, hydrochloric acid and nitric acid; concentrating the mixed acid brought into contact with the silicon carbide surface by heating; subjecting a sample solution obtained by diluting a concentrated liquid obtained by the concentration to quantitative analysis of metal components by Inductively Coupled Plasma-Mass Spectrometry; and evaluating cleanliness of the member having a silicon carbide surface on the basis of a quantitative result of metal components obtained by the quantitative analysis.
    Type: Application
    Filed: February 28, 2017
    Publication date: April 11, 2019
    Applicant: SUMCO CORPORATION
    Inventors: Takashi MURAMATSU, Hirokazu KATO
  • Patent number: 10232335
    Abstract: The ?-eucryptite fine particle production method of the invention includes spraying, into an atmosphere at 50° C. to a temperature lower than 300° C., a solution containing a water-soluble lithium salt, a water-soluble aluminum salt, and colloidal silica, in such amounts that the mole proportions among lithium atoms, aluminum atoms, and silicon atoms (Li:Al:Si) are adjusted to 1:1:1, to thereby dry the solution, and, subsequently, firing the dried product in air at 600 to 1,300° C.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: March 19, 2019
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Hirokazu Kato, Tadayuki Isaji, Yoshiyuki Kashima, Jun-ichi Nakajima
  • Publication number: 20190081552
    Abstract: According to one embodiment, an electric power conversion system includes a convertor, a detector, a delay controller, and a deteminator. The detector is configured to detect information related to a voltage of electric power converted by the converter. The delay controller is configured to delay a conversion operation start of the converter by a first predetermined time with respect to a supply start time at which supply of the electric power is started. The determinator is configured to perform a first determination on the basis of a detection result detected by the detector before elapse of the first predetermined time from the supply start tune, and to perform a second determination on the basis of a detection result detected by the detector after the elapse of the first predetermined time from the supply start time.
    Type: Application
    Filed: September 11, 2018
    Publication date: March 14, 2019
    Applicants: CENTRAL JAPAN RAILWAY COMPANY, Toshiba Infrastructure Systems & Solutions Corporation
    Inventors: Kenji SATO, Hirokazu KATO, Takafumi FUKUSHIMA, Hiroaki OTANI, Tomoyuki MAKINO, Toshiyuki UCHIDA, Manato MORI
  • Publication number: 20190061715
    Abstract: Provided is a brake control system that can reduce use of a mechanical braking in a railway vehicle using an automatic train control (ATC). The present disclosure is a brake control system for a railway vehicle using an ATC. The brake control system includes: a main electric motor, a main conversion device, a brake controller, and an ATC device. The main electric motor generates a braking force by converting kinetic energy of a wheel of the railway vehicle to electrical energy. The main conversion device actuates the main electric motor. The brake controller outputs a braking signal to the main conversion device. The ATC device outputs a braking command to the brake controller based on the ATC. In addition, the ATC device outputs a preliminary braking signal for energizing the main electric motor prior to output of the braking command.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 28, 2019
    Inventors: Hirokazu KATO, Gakuji KOBAYASHI, Tomoya KATO
  • Patent number: 10168281
    Abstract: A multicolor fluorescence analysis device 11 is for detecting fluorescence emitted, as a result of excitation light irradiation, from a plurality of types of fluorophores included in a sample s, and is provided with an irradiation optical unit 520 for irradiating light emitted from a light source 510 onto a sample s as excitation light, a fluorescence condensation unit 530 having a fluorescence filter 531 that transmits light emitted from the sample s and transmits light of transmission wavelength bands different from the excitation wavelength bands, and a two-dimensional detector 554 that has a plurality of types of transmission filters 556 for transmitting prescribed wavelengths of light and detects the intensity of the light of the prescribed wavelength for each transmission filter 556, and the light emitted from at least two fluorophores from among the plurality of types of fluorophores is detected simultaneously and the fluorophore types are identified accordingly.
    Type: Grant
    Filed: November 11, 2015
    Date of Patent: January 1, 2019
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Tomohiro Shoji, Junji Shiokawa, Akihito Nishizawa, Hirokazu Kato, Junji Ishizuka
  • Publication number: 20180375432
    Abstract: A trench MOSFET is disclosed that includes a semiconductor substrate having a vertically oriented trench containing a gate. The trench MOSFET further includes a source, a drain, and a conductive element. The conductive element, like the gate is contained in the trench, and extends between the gate and a bottom of the trench. The conductive element is electrically isolated from the source, the gate, and the drain. When employed in a device such as a DC-DC converter, the trench MOSFET may reduce power losses and electrical and electromagnetic noise.
    Type: Application
    Filed: August 31, 2018
    Publication date: December 27, 2018
    Inventors: Tetsuo SATO, Tomoaki UNO, Hirokazu KATO, Nobuyoshi MATSUURA
  • Patent number: 10139390
    Abstract: By slowing down the passing velocity of a DNA molecule in a nanopore, the accuracy of the reading of a nucleotide sequence of DNA is improved. A small temperature difference is introduced between a DNA molecule having an asymmetric and periodic structure and a nanopore membrane that carries the DNA molecule, whereby the DNA molecule that passes through a nanopore can move in one direction and the passing velocity of the DNA molecule in the nanopore can be controlled and reduced. In this manner, the accuracy of the analysis of a nucleotide sequence can be improved. Furthermore, it becomes possible to dissociate double-stranded DNA into single-stranded DNA molecules by the action of temperature and subject the single-stranded DNA molecules to a measurement selectively. Furthermore, it also becomes possible to select the polarity of a DNA molecule and subject the DNA molecule to a measurement.
    Type: Grant
    Filed: April 18, 2014
    Date of Patent: November 27, 2018
    Assignee: Hitachi High-Technologies Corporation
    Inventors: Hirokazu Kato, Tomohiro Shoji
  • Publication number: 20180328331
    Abstract: A control device for a vehicle includes an electronic control unit. The electronic control unit executes control for prohibiting stop-and-start control until a predetermined period elapses after an ignition switch is turned ON. The electronic control unit executes scene-specific electric power supply control for operating a first function group that is a specific function and stopping a function other than the first function group in accordance with a state of the vehicle at a time when the ignition switch is turned OFF. The electronic control unit sets the predetermined period during which the stop-and-start control is prohibited longer in a case where the first function group is in an operating state than in a case where the first function group is not in an operating state when the ignition switch is turned ON.
    Type: Application
    Filed: April 24, 2018
    Publication date: November 15, 2018
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hirokazu KATO, Kensuke NAKANISHI, Marina ARAGI
  • Patent number: 10074744
    Abstract: A control electrode GE1 is formed in a lower portion of a trench TR1 formed in a semiconductor substrate SUB, and a gate electrode GE2 is formed in an upper portion inside the trench TR1. An insulating film G1 is formed between the control electrode GE1 and a side wall and a bottom surface of the trench TR1, an insulating film G2 is formed between the side wall of the trench TR1 and the gate electrode GE2, and an insulating film G3 is formed between the control electrode GE1 and the gate electrode GE2. A region adjacent to the trench TR1 includes an n+-type semiconductor region NR for a source, a p-type semiconductor region PR for a channel formation, and a semiconductor region for a drain. A wiring connected to the control electrode GE1 is not connected to a wiring connected to the gate electrode GE2, and is not connected to a wiring connected to the n+-type semiconductor region NR for a source.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: September 11, 2018
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Hideo Numabe, Nobuyuki Shirai, Hirokazu Kato, Tomoaki Uno, Kazuyuki Umezu
  • Patent number: 10069415
    Abstract: A trench MOSFET is disclosed that includes a semiconductor substrate having a vertically oriented trench containing a gate. The trench MOSFET further includes a source, a drain, and a conductive element. The conductive element, like the gate is contained in the trench, and extends between the gate and a bottom of the trench. The conductive element is electrically isolated from the source, the gate, and the drain. When employed in a device such as a DC-DC converter, the trench MOSFET may reduce power losses and electrical and electromagnetic noise.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: September 4, 2018
    Assignee: RENESAS ELECTRONICS AMERICA INC.
    Inventors: Tetsuo Sato, Tomoaki Uno, Hirokazu Kato, Nobuyoshi Matsuura
  • Patent number: 10005362
    Abstract: An electric vehicle control device includes: a plurality of motors capable of transmitting motive power to a wheel of an electric vehicle; an inverter that supplies electric power to drive the motors; and a controller that controls the inverter and compares, when the electric vehicle drives under a certain velocity condition, a q-axis voltage feedforward value VqFF and a q-axis voltage command value Vq* used for controlling driving of the motors, to detect an occurrence of miswire between the motors and the inverter when the following inequation is satisfied: VqFF?1.5·Vq*.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: June 26, 2018
    Assignees: Central Japan Railway Company, TOSHIBA INFRASTRUCTURE SYSTEMS & SOLUTIONS CORPORATION
    Inventors: Hirokazu Kato, Hiroki Shimoyama, Kei Sakanoue, Toshiyuki Uchida, Tomoyuki Makino, Hiroaki Otani, Manato Mori
  • Patent number: 9945341
    Abstract: A negative pressure abnormality detection apparatus includes a negative pressure sensor to output a signal representing negative pressure in a negative pressure chamber of a brake booster into which intake negative pressure of an intake manifold generated by rotation of an engine is introduced; a negative pressure detection unit to detect the negative pressure based on the signal; an abnormality determination unit to determine whether an abnormality occurs with the negative pressure sensor, based on whether the negative pressure is shifted toward atmospheric or vacuum pressure relative to a threshold, when a state continues for a predetermined time or longer during which the engine rotates and a negative-pressure-expending braking operation is not performed; and a threshold change unit to change the threshold depending on opening of a throttle valve in an intake pipe connected with the intake manifold, while the state continues.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: April 17, 2018
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventor: Hirokazu Kato
  • Patent number: 9897918
    Abstract: A pattern forming method includes forming a spin on dielectric film on a substrate, washing the spin on dielectric film by using a washing liquid, drying a surface of the spin on dielectric film after the washing, forming a photosensitive film on the dried coating type insulation film, emitting energy rays to a predetermined position of the photosensitive film in order to form a latent image on the photosensitive film, developing the photosensitive film in order to form a photosensitive film pattern which corresponds to the latent image, and processing the spin on dielectric film with the photosensitive film pattern serving as a mask.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: February 20, 2018
    Assignee: Toshiba Memory Corporation
    Inventors: Tomoyuki Takeishi, Hirokazu Kato, Shinichi Ito
  • Publication number: 20180017492
    Abstract: A multicolor fluorescence analysis device 1 according to the present invention is provided with: an irradiation unit 41 for irradiating excitation light having a plurality of excitation wavelength bands onto a sample s; a first fiberoptic plate 424 for guiding light including fluorescence emitted from the sample s as a result of the irradiation of the excitation light and emitting the same from a first emission part 425b; a second fiberoptic plate 431 for receiving light emitted from the first emission part 425b at a second incidence part 434a, guiding the same, and emitting the same from a second emission part 434b; a single multilayer dielectric interference film filter 432 that is provided on an end surface of the second emission part 434b, transmits at least a portion of the fluorescence, and transmits light of a plurality of transmission wavelength bands that do not include the excitation wavelength bands; and a two-dimensional detection unit 433 that is disposed so as to be adhered to the multilayer die
    Type: Application
    Filed: February 2, 2015
    Publication date: January 18, 2018
    Inventors: Hirokazu KATO, Tomohiro SHOJI, Satoshi TAKAHASHI, Akira MAEKAWA
  • Publication number: 20180011021
    Abstract: A multicolor fluorescence analysis device 11 is for detecting fluorescence emitted, as a result of excitation light irradiation, from a plurality of types of fluorophores included in a sample s, and is provided with an irradiation optical unit 520 for irradiating light emitted from a light source 510 onto a sample s as excitation light, a fluorescence condensation unit 530 having a fluorescence filter 531 that transmits light emitted from the sample s and transmits light of transmission wavelength bands different from the excitation wavelength bands, and a two-dimensional detector 554 that has a plurality of types of transmission filters 556 for transmitting prescribed wavelengths of light and detects the intensity of the light of the prescribed wavelength for each transmission filter 556, and the light emitted from at least two fluorophores from among the plurality of types of fluorophores is detected simultaneously and the fluorophore types are identified accordingly.
    Type: Application
    Filed: November 11, 2015
    Publication date: January 11, 2018
    Inventors: Tomohiro SHOJI, Junji SHIOKAWA, Akihito NISHIZAWA, Hirokazu KATO, Junji ISHIZUKA