Patents by Inventor Yoshihiro Hayashi

Yoshihiro Hayashi 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: 12252786
    Abstract: A cleaning method according to an aspect of the present disclosure includes: supplying a halogen-containing gas that does not contain fluorine to an interior of a processing container that is capable of being exhausted via an exhaust pipe to perform a cleaning; and supplying a fluorine-containing gas to at least one of the interior of the processing container and an interior of the exhaust pipe to perform the cleaning after the supplying the halogen-containing gas to perform the cleaning.
    Type: Grant
    Filed: August 6, 2020
    Date of Patent: March 18, 2025
    Assignee: Tokyo Electron Limited
    Inventors: Yoshihiro Takezawa, Daisuke Suzuki, Hiroyuki Hayashi, Tatsuya Miyahara, Keisuke Fujita, Masami Oikawa, Sena Fujita
  • Patent number: 12249858
    Abstract: A marine propulsion system includes a marine propulsion unit, a first battery for a starter of an engine, a second battery for an electric motor, a third battery for at least one of a plurality of devices in or on a marine vessel excluding the starter and the electric motor, and a charge amount acquisition controller configured or programmed to perform a control to acquire a charge amount of at least one of the first battery, the second battery, or the third battery based on a first power supplied from a power source to the first battery, the second battery, and the third battery, and a second power supplied from the first battery, the second battery, and the third battery to devices in or on the marine vessel.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: March 11, 2025
    Assignee: YAMAHA HATSUDOKI KABUSHIKI KAISHA
    Inventors: Takuya Hayashi, Yoshihiro Mizushima
  • Patent number: 12237784
    Abstract: A motor control device of the present invention includes a magnetic-flux command value generator and a current-command value generator. The magnetic-flux command value generator is configured to generate a magnetic-flux command value based on a torque-command value. The current-command value generator is configured to generate a current-command value on the basis of the magnetic-flux command value. The magnetic-flux command value generator includes a magnetic-flux command calculator, a feedback-value calculator, a magnetic-flux compensation value calculator, a magnetic-flux command value calculator, and a control-gain changer.
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: February 25, 2025
    Assignees: HITACHI ASTEMO, LTD., HONDA MOTOR CO., LTD.
    Inventors: Takami Suzuki, Kohei Onishi, Tomoyuki Dansako, Tomofumi Hayashi, Satoshi Fujishiro, Yoshihiro Ito
  • Patent number: 12192609
    Abstract: A light source device that generates illumination light, the light source device including: a plurality of semiconductor light emitting elements that emit light beams having different wavelength bands; and a control unit that controls a light emission profile of the plurality of semiconductor light emitting elements and drives the plurality of semiconductor light emitting elements, in which the light emission profile includes a strong light emission period in which light emission is performed with a predetermined light intensity and a weak light emission period in which light emission is performed with a light intensity weaker than the predetermined light intensity, and the control unit executes a restoration control process of converting into a light emission amount in the strong light emission period while maintaining a total amount of the light emission amount in the strong light emission period and the light emission amount in the weak light emission period constant.
    Type: Grant
    Filed: September 22, 2021
    Date of Patent: January 7, 2025
    Assignee: HOYA CORPORATION
    Inventors: Yoshihiro Hayashi, Yoshiyuki Niijima, Yukari Akino, Shinya Shimotashiro
  • Patent number: 12115020
    Abstract: Provided are a two-dimensional array ultrasonic probe and an addition circuit that switch an addition unit of a reception signal according to a reception channel of a main unit while preventing an increase in a chip area. The addition circuit includes, between addition output terminals that output an addition signal and transducer channels, wirings provided for each transducer channel row including the transducer channels arranged in a vertical direction on a subarray basis and coupled to the transducer channels of the corresponding transducer channel row, output switches provided for each of the wirings and coupled to the corresponding transducer channel row wiring, and an inter-output switch that couples wirings corresponding to transducer channel rows adjacent in the horizontal direction via the output switches.
    Type: Grant
    Filed: April 14, 2021
    Date of Patent: October 15, 2024
    Assignee: FUJIFILM Corporation
    Inventors: Shinya Kajiyama, Yoshihiro Hayashi, Tadahiro Nabeta
  • Publication number: 20240268651
    Abstract: A light source device includes a plurality of semiconductor light emitting elements that emit pieces of light having different wavelength bands, and a control unit that controls a light emission profile of the plurality of semiconductor light emitting elements and drives the plurality of semiconductor light emitting elements, in which the control unit controls the light emission profile of the plurality of semiconductor light emitting elements such that main light emission is performed in a pseudo global exposure period of an image sensor and preliminary light emission is performed in at least a part of a pixel readout period of the image sensor, and a light emission level of the preliminary light emission is lower than a light emission level of the main light emission.
    Type: Application
    Filed: July 27, 2022
    Publication date: August 15, 2024
    Applicant: HOYA CORPORATION
    Inventor: Yoshihiro HAYASHI
  • Patent number: 12004721
    Abstract: A light amount control unit of an endoscope derives a photometric value in an area of an observation spot corresponding to each of angular ranges of a first light output unit and a second light output unit having different wavelength ranges based on imaging data about the observation spot output from an imaging unit, derives an amount of light from each of the first light output unit and the second light output unit based on the derived photometric value, and causes each of the first light output unit and the second light output unit to output illumination light based on the derived amount of light.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: June 11, 2024
    Assignee: HOYA CORPORATION
    Inventors: Yoshiyuki Niijima, Yoshihiro Hayashi, Yukari Akino, Shinya Shimotashiro
  • Publication number: 20230418137
    Abstract: There is provided a cooling device that is used for an electronic apparatus including a mobile monitor and a first attachment mechanism on an attached surface of the electronic apparatus, and that cools heat generated in the electronic apparatus, the cooling device including: a second attachment mechanism for attachably and detachably attaching the cooling device to the electronic apparatus, in which the second attachment mechanism is attached to the first attachment mechanism exposed by moving the mobile monitor from a position facing the attached surface.
    Type: Application
    Filed: September 10, 2023
    Publication date: December 28, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Yuta WATANABE, Yoshihiro HAYASHI, Nobuaki SUZUKI, Kouhei AWAZU
  • Publication number: 20230418136
    Abstract: There is provided a cooling device including: a heat sink on which a plurality of fins for heat radiation are formed; and an attachment mechanism for attachably and detachably attaching the heat sink to an outer surface of an electronic apparatus, at least a part of the attachment mechanism overlapping a formation region of the fins.
    Type: Application
    Filed: September 10, 2023
    Publication date: December 28, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Yuta WATANABE, Yoshihiro HAYASHI, Nobuaki SUZUKI, Kouhei AWAZU
  • Patent number: 11844653
    Abstract: To provide a probe including a TGC circuit therein. The probe includes a plurality of receive circuits. Each receive circuit includes: an ultrasound transducer; a transmit/receive switch; a variable attenuator; a first capacitor; and an amplifier. The ultrasound transducer converts the receive signal into a ground level electric signal and outputs the ground level electric signal as a first output signal. The transmit/receive switch is connected to a first signal line, and switches depending on whether to output the first output signal output from the ultrasound transducer to the first signal line. The variable attenuator includes a control terminal and two terminals, and changes a resistance value between the two terminals other than the control terminal based on a control signal input to the control terminal.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: December 19, 2023
    Assignee: FUJIFILM Healthcare Corporation
    Inventors: Yutaka Igarashi, Shinya Kajiyama, Kengo Imagawa, Yoshihiro Hayashi
  • Publication number: 20230363630
    Abstract: A light source device according to the present disclosure is a light source device that generates illumination light with which an object is to be irradiated, the light source device including: a plurality of semiconductor light emitting elements configured to emit light having different wavelength bands; and a control unit configured to control a light emission profile of the plurality of semiconductor light emitting elements and drive the plurality of semiconductor light emitting elements, in which the control unit extends the light emission profile in a first direction that is a direction opposite to a direction in which time progresses in a case of increasing an exposure level and shortens the light emission profile from a second direction that is the direction in which time progresses in a case of decreasing the exposure level.
    Type: Application
    Filed: November 4, 2021
    Publication date: November 16, 2023
    Applicant: HOYA CORPORATION
    Inventors: Yoshihiro HAYASHI, Yoshiyuki NIIJIMA, Yukari AKINO, Shinya SHIMOTASHIRO
  • Publication number: 20230319386
    Abstract: A light source device that generates illumination light, the light source device including: a plurality of semiconductor light emitting elements that emit light beams having different wavelength bands; and a control unit that controls a light emission profile of the plurality of semiconductor light emitting elements and drives the plurality of semiconductor light emitting elements, in which the light emission profile includes a strong light emission period in which light emission is performed with a predetermined light intensity and a weak light emission period in which light emission is performed with a light intensity weaker than the predetermined light intensity, and the control unit executes a restoration control process of converting into a light emission amount in the strong light emission period while maintaining a total amount of the light emission amount in the strong light emission period and the light emission amount in the weak light emission period constant.
    Type: Application
    Filed: September 22, 2021
    Publication date: October 5, 2023
    Applicant: HOYA CORPORATION
    Inventors: Yoshihiro HAYASHI, Yoshiyuki NIIJIMA, Yukari AKINO, Shinya SHIMOTASHIRO
  • Publication number: 20230301491
    Abstract: An endoscope system includes: a light source device; an electronic endoscope including an image sensor that images a biological tissue by a rolling shutter method; and a processor including an adjustment unit that is a part adjusting luminance of the frame image by combining adjustment of an exposure time of the image sensor with at least one of adjustment of light intensity of the illumination light and gain adjustment for determining a signal level of the frame image obtained from the image sensor, the adjustment unit determining whether or not a motion amount of an object image in the captured image or information regarding a blurring amount satisfies an adjustment condition and performing the adjustment processing by adjusting an adjustment level representing a degree of strength of the adjustment processing by a magnitude of a value according to at least the determination result.
    Type: Application
    Filed: September 25, 2020
    Publication date: September 28, 2023
    Inventors: Yoshihiro HAYASHI, Takao MAKINO
  • Patent number: 11761458
    Abstract: A compressor is provided with: an impeller a housing configured to rotatably house the impeller and having an intake passage for introducing a gas to the impeller from outside the housing, a scroll passage for guiding the gas having passed through the impeller to the outside, and a bypass passage connecting the intake passage and the scroll passage so as to bypass the impeller; and a bypass valve having a valve body disposed in the bypass passage and capable of opening and closing the bypass passage. The valve body is configured to, in a fully closed state, separate the bypass passage into an inlet-side passage having a communication port communicating with the scroll passage and an outlet-side passage communicating with the intake passage. An inlet-side passage wall surface which defines the inlet-side passage includes at least an upstream passage wall surface portion connected to an upstream end of the communication port in a cross-sectional view of the housing taken along an axis of the impeller.
    Type: Grant
    Filed: December 17, 2019
    Date of Patent: September 19, 2023
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
    Inventor: Yoshihiro Hayashi
  • Publication number: 20230247294
    Abstract: An imaging device includes an imaging element, a holding unit that holds the imaging element, a support unit that supports the holding unit such that the holding unit is movable, coils that drive the holding unit, flexible printed boards that are connected to the imaging element or the coils, a control board that is connected to the imaging element or the coils via the flexible printed boards, and a through-hole through which the flexible printed boards are to pass.
    Type: Application
    Filed: April 6, 2023
    Publication date: August 3, 2023
    Applicant: FUJIFILM Corporation
    Inventors: Kazuaki OKAMORI, Yoshihiro HAYASHI, Kazunori TAMURA
  • Patent number: 11707261
    Abstract: A two-dimensional array ultrasound probe, which is enabled for ultrasonic reception operation of a continuous wave Doppler mode (C mode) and an imaging mode (B mode). The probe includes a reception circuit provided for each transducer and a first multiplexer; a plurality of first wires connected to the first multiplexer; a second wire connected to a plurality of first wires outside the array; switches that are provided to the second wire and that can be turned off to adapt to phasing addition units; a plurality of second multiplexers connected to the second wire and a plurality of first output ports for the first mode; and a plurality of second output ports that are connected to each region between the switches on the second wire and that are used in the second mode.
    Type: Grant
    Filed: October 20, 2021
    Date of Patent: July 25, 2023
    Assignee: FUJIFILM Healthcare Corporation
    Inventors: Shinya Kajiyama, Yoshihiro Hayashi, Shinta Takano
  • Patent number: 11660076
    Abstract: A switch circuit connected to a transducer, a reception circuit connected to the switch circuit, a first switch element connected to a reception terminal provided between the switch circuit and the reception circuit, a first resistance element connected to a control terminal of the switch circuit, a second resistance element provided inside the reception circuit, and a second switch element provided inside the reception circuit are provided.
    Type: Grant
    Filed: October 9, 2019
    Date of Patent: May 30, 2023
    Assignee: FUJIFILM Healthcare Corporation
    Inventors: Shinya Kajiyama, Kengo Imagawa, Yoshihiro Hayashi
  • Publication number: 20230089085
    Abstract: A light amount control unit of an endoscope derives a photometric value in an area of an observation spot corresponding to each of angular ranges of a first light output unit and a second light output unit having different wavelength ranges based on imaging data about the observation spot output from an imaging unit, derives an amount of light from each of the first light output unit and the second light output unit based on the derived photometric value, and causes each of the first light output unit and the second light output unit to output illumination light based on the derived amount of light.
    Type: Application
    Filed: July 28, 2021
    Publication date: March 23, 2023
    Applicant: HOYA CORPORATION
    Inventors: Yoshiyuki NIIJIMA, Yoshihiro HAYASHI, Yukari AKINO, Shinya SHIMOTASHIRO
  • Patent number: 11607110
    Abstract: An electronic endoscope processor for processing an image signal of a subject imaged using an imaging element in an electronic endoscope system includes: an illuminating light switch that alternatingly switches the illuminating light to be emitted to the subject, between a first illuminating light and a second illuminating light; and an imaging element control circuit that controls an exposure time of the imaging element and a charge readout timing. The imaging element control circuit controls the exposure time T1 of the imaging element when the first illuminating light is being emitted to the subject and the exposure time T2 of the imaging element when the second illuminating light is being emitted to the subject, based on a time-integrated amount of luminous flux per unit time of the first illuminating light and a time-integrated amount of luminous flux per unit time of the second illuminating light.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: March 21, 2023
    Assignee: HOYA CORPORATION
    Inventor: Yoshihiro Hayashi
  • Patent number: 11564665
    Abstract: An object of the invention is to provide an ultrasonic probe, an ultrasonic diagnostic device, and a manufacturing method of the ultrasonic probe, which are capable of reducing a product defect rate. An ultrasonic probe according to one embodiment includes a plurality of channels. Each of the plurality of channels includes a vibrator that outputs an ultrasonic wave, and a transmission circuit unit that changes an output in response to an input transmission signal and causes the vibrator to output the ultrasonic wave by driving the vibrator with the output. Here, the transmission circuit unit includes a stop signal holding circuit that holds a stop signal when the stop signal is input in advance, and selects whether to change the output in response to the transmission signal based on whether the stop signal is held.
    Type: Grant
    Filed: February 26, 2020
    Date of Patent: January 31, 2023
    Assignee: FUJIFILM Healthcare Corporation
    Inventors: Toru Yazaki, Yutaka Igarashi, Yoshihiro Hayashi, Tsuneo Kawamata