Patents by Inventor Yuichi Hasegawa

Yuichi Hasegawa 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: 20240223063
    Abstract: A high-frequency power supply system according to the present disclosure includes a first power supply, a second power supply, a first matcher, and a second matcher. The second power supply performs pulse modulation of repeating an ON operation of outputting a second forward wave voltage and an OFF operation of not outputting the second forward wave voltage. The first power supply performs frequency modulation control in a second power supply ON period, and performs frequency offset control of outputting a forward wave voltage having a fundamental frequency obtained by adding an offset frequency to a fundamental frequency in a second power supply OFF period.
    Type: Application
    Filed: December 27, 2023
    Publication date: July 4, 2024
    Inventors: Yuya UENO, Yuichi HASEGAWA
  • Publication number: 20240222083
    Abstract: A method according to the present disclosure includes: searching for an initial phase of a modulation signal at which an absolute value of a reflection coefficient or a power value of a reflected wave power at an output terminal of a first power supply calculated in a second power supply ON period is minimized in a state where a first matching operation in a first matching unit is stopped; searching for a frequency shift at which the absolute value of the reflection coefficient or the power value at the output terminal calculated in the second power supply ON period is minimized in a state where the first matching operation is stopped; and searching for an offset frequency at which the absolute value of the reflection coefficient or the power value at the output terminal calculated in a second power supply OFF period is minimized in a state where the first matching operation is stopped.
    Type: Application
    Filed: December 27, 2023
    Publication date: July 4, 2024
    Inventors: Yuichi HASEGAWA, Yuya UENO
  • Publication number: 20240222074
    Abstract: A high-frequency power supply device includes a first power supply that outputs a high-frequency AC voltage having a first frequency, a second power supply that outputs a DC pulse voltage including one or more continuous pulse waveforms, a matching box that receives the high-frequency AC voltage, performs impedance matching such that impedance viewed from the first power supply becomes constant, and outputs the high-frequency AC voltage, a filter that receives the DC pulse voltage, filters the DC pulse voltage, and outputs the DC pulse voltage to a pulse-power input terminal of a load, and an IMD suppression circuit that includes a first inductor having predetermined inductance provided between the matching box and an AC-power input terminal of the load, receives the high-frequency AC voltage, allows the input high-frequency AC voltage to pass through the first inductor, and outputs the high-frequency AC voltage to the AC-power input terminal of the load.
    Type: Application
    Filed: December 26, 2023
    Publication date: July 4, 2024
    Inventors: Yuya UENO, Yuichi HASEGAWA
  • Publication number: 20240222076
    Abstract: A high-frequency power supply system according to the present disclosure includes a first power supply, a second power supply, a first matcher, and a second matcher. The second power supply performs pulse modulation of repeating an ON operation of outputting a second forward wave voltage and an OFF operation of not outputting the second forward wave voltage are repeated. The first power supply performs frequency modulation control in a second power supply ON period, and performs frequency offset control of outputting a forward wave voltage having a fundamental frequency obtained by adding an offset frequency to a fundamental frequency in a second power supply OFF period.
    Type: Application
    Filed: December 26, 2023
    Publication date: July 4, 2024
    Inventors: Yuya UENO, Yuichi HASEGAWA
  • Publication number: 20240222079
    Abstract: A high-frequency power supply system according to the present disclosure includes a first power supply, a second power supply, a first matcher, and a second matcher. The second power supply performs pulse modulation of repeating an ON operation of outputting a second forward wave voltage and an OFF operation of not outputting the second forward wave voltage. The first power supply performs frequency modulation control in a second power supply ON period, and performs frequency offset control of outputting a forward wave voltage VF3 having a fundamental frequency obtained by adding an offset frequency to a fundamental frequency in a second power supply OFF period. The second matcher generates a phase reset signal having a frequency lower than a fundamental frequency based on detection information of a forward wave voltage, and supplies the phase reset signal to the first power supply.
    Type: Application
    Filed: December 27, 2023
    Publication date: July 4, 2024
    Inventors: Yuichi HASEGAWA, Yuya UENO
  • Publication number: 20240222082
    Abstract: A high-frequency power supply system according to the present disclosure includes a first power supply, a second power supply, a first matcher, and a second matcher. The second power supply performs pulse modulation of repeating an ON operation of outputting a second forward wave voltage and an OFF operation of not outputting the second forward wave voltage are repeated. The first power supply performs frequency modulation control in a second power supply ON period, and outputs a first forward wave voltage having a first fundamental frequency in a second power supply OFF period.
    Type: Application
    Filed: December 26, 2023
    Publication date: July 4, 2024
    Inventors: Yuichi HASEGAWA, Yuya UENO
  • Publication number: 20240222077
    Abstract: A high-frequency power supply apparatus includes a first power supply, a second power supply, a matching circuit, and a low-pass filter. The first power supply outputs a high-frequency voltage with a first fundamental frequency toward a load. The second power supply outputs, toward the load, a negative polarity voltage with a second fundamental frequency lower than the first fundamental frequency. The matching circuit is connected between the first power supply and the load. The matching circuit matches impedance on a side of the first power supply and impedance on a side of the load. The low-pass filter is connected between the second power supply and the load. The first power supply performs frequency modulation control by: performing frequency-modulation on the high-frequency voltage with a trapezoidal modulation signal whose frequency is equal to the second fundamental frequency, and outputting a modulated wave obtained by the frequency-modulation on the high-frequency voltage.
    Type: Application
    Filed: December 26, 2023
    Publication date: July 4, 2024
    Inventors: Yuichi HASEGAWA, Yuya UENO
  • Patent number: 11990317
    Abstract: To simplify a process of suppressing an increase in a reflected wave power caused by IMD, provided is a high-frequency power supply system for providing a high-frequency power to a load, including: a first power supply for supplying a first high-frequency power to the load; a second power supply for supplying a second high-frequency power to the load; and a matching device. The matching device provides a system clock to each of the first power supply and the second power supply. The second power supply outputs a second high-frequency voltage at a control period determined based on the system clock provided from the matching device. The first power supply outputs a first high-frequency voltage obtained by frequency modulation of a fundamental wave signal having a first fundamental frequency and through amplification, in each control period determined based on the system clock provided from the matching device.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: May 21, 2024
    Assignee: DAIHEN CORPORATION
    Inventor: Yuichi Hasegawa
  • Patent number: 11933988
    Abstract: Provided are an information processing apparatus, a head mounted display housing, and an information processing method capable of providing a virtual reality experience suitable for individual users. Provided is an information processing apparatus that is detachably held by a housing to be usable as a head mounted display, and that includes a display unit (306) that displays an image; a detection unit (308) that detects an indicator provided in the housing; and a control unit (302) that controls the image displayed on the display unit based on information indicated by the indicator, the information being detected by the detection unit.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: March 19, 2024
    Assignee: SONY GROUP CORPORATION
    Inventors: Yuichi Hasegawa, Ichiro Tsujimura, Masumi Sawaya
  • Patent number: 11924708
    Abstract: There is provided an information processing device that includes a blocking detection unit to detect blocking of a communication channel to a reproduction device which reproduces content on the basis of content data, a movement calculation unit to calculate, in a case where the blocking of the communication channel is detected, an amount of movement of the reproduction device to a position that escapes the blocking, and a control unit to control generation of the content data on the basis of the amount of movement.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: March 5, 2024
    Assignee: SONY GROUP CORPORATION
    Inventor: Yuichi Hasegawa
  • Publication number: 20240044929
    Abstract: A chemistry analysis machine and method for using the machine include adding heating functionality to provide faster test specimen heating times or comparable specimen heating times while using containers or cuvettes made of materials such as plastic that have lower thermal conductivity. In one example, a mixing bar is heated prior to contacting the test specimen within the container to provide the additional heating capability to the system. In one example where the mixing bar is heated, a heater is added to the system to heat the rinse water used to rinse the mixing bar after it is washed and prior to its next use in contacting a test specimen.
    Type: Application
    Filed: November 30, 2021
    Publication date: February 8, 2024
    Inventors: Noriyuki Ito, Yuichi Hasegawa
  • Publication number: 20240003873
    Abstract: A method for forming a conjugate of a substance of interest and a magnetic particle to which a specific binding substance that has an ability to specifically bind to the substance of interest has been bound, the method including (A1) reacting the substance of interest and the magnetic particles in a reaction solution, in which (A1) includes increasing momentum of the magnetic particles in the reaction solution by changing the magnetic field that is exerted on the magnetic particles.
    Type: Application
    Filed: September 13, 2023
    Publication date: January 4, 2024
    Inventors: Tatsuya KAWAKAMI, Masayuki ONO, Koji TSUJITA, Katsue HORIKOSHI, Yuichi HASEGAWA, Makoto ITONAGA
  • Patent number: 11825066
    Abstract: There is provided a video reproduction apparatus, a reproduction method, and a program that can suppress a decline in the degree of immersion of a viewer. A video generation apparatus of the present disclosure acquires a first 3D shape video generated from a plurality of viewpoint videos obtained by capturing images of a subject from different viewpoints, and a second 3D shape video being a video different from the first 3D shape video, and switches a frame to be reproduced, from a frame of the first 3D shape video to a frame of the second 3D shape video on the basis of a state of a viewer viewing the first 3D shape video. The present disclosure may be applied, for example, to a video generation apparatus, a video processing apparatus, a video reproduction apparatus, or the like.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: November 21, 2023
    Assignee: SONY CORPORATION
    Inventors: Yuichi Araki, Yuichi Hasegawa, Nobuaki Izumi
  • Patent number: 11756768
    Abstract: Proposed are techniques for simplifying the process of suppressing an increase in a reflected wave Pr due to IMD. A high-frequency power supply system for providing high-frequency power to a load includes: a bias power supply for supplying a bias power having a first frequency; a source power supply for supplying a high-frequency output having a second frequency higher than the first frequency and being frequency modulated with the first frequency; and a matching device including an impedance matching circuit for acquiring the bias power and the frequency modulated high-frequency output and achieving impedance matching between the source power supply and the load. The source power supply, in response to a trigger signal for timing having the first frequency, detects a reflected wave while causing a modulation start phase and a modulation amount gain to be varied, and determines an optimum modulation start phase and modulation amount gain that minimize the reflected wave.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: September 12, 2023
    Assignee: DAIHEN CORPORATION
    Inventors: Yuichi Hasegawa, Yuya Ueno
  • Patent number: 11692924
    Abstract: An analysis device includes a controller configured to count a pulse derived from a particles as a plural particles when a light reception level signal includes the pulse having a first extreme value point, a second extreme value point, and a third extreme value point, and the pulse fulfils a condition in which the third extreme value point is present between the first extreme value point and the second extreme value point in a pulse width direction of the pulse, the third extreme value point is present between the first extreme value point and a threshold in a pulse amplitude direction, the first extreme value point and the second extreme value point are each an extreme value point of a waveform projecting in a common direction, and the third extreme value point is an extreme value point of a waveform in a direction opposite to the common direction.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: July 4, 2023
    Assignee: JVCKENWOOD CORPORATION
    Inventors: Masayuki Ono, Shigehiko Iwama, Atsushi Saito, Masahiro Yamamoto, Yuichi Hasegawa
  • Publication number: 20230207263
    Abstract: A high-frequency power supply apparatus includes the following elements. A first power supply outputs a first high-frequency voltage with a first fundamental frequency. A second power supply outputs a second high-frequency voltage with a second fundamental frequency lower than the first fundamental frequency. A second matching device is connected between the second power supply and the load. The second matching device generates a timing control signal with a frequency lower than the second fundamental frequency. The first power supply generates a modulation signal by applying a start phase and a frequency shift amount to a modulation fundamental wave signal whose frequency is equal to the second fundamental frequency. The start phase is applied to the modulation fundamental wave signal in accordance with an input timing of the timing control signal. The first power supply performs frequency modulation on the first high-frequency voltage by using the modulation signal.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 29, 2023
    Inventors: Yuichi HASEGAWA, Yuya UENO, Tatsuya MORlI
  • Publication number: 20230207268
    Abstract: A high-frequency power supply device includes: a first power supply that supplies first high-frequency power to a load by outputting a first high-frequency voltage having a first fundamental frequency; a second power supply that supplies second high-frequency power to the load by outputting a second high-frequency voltage having a second fundamental frequency lower than the first fundamental frequency; a first matching unit between the first power supply and the load; and a second matching unit between the second power supply and the load. When frequency-modulating the first high-frequency voltage with a modulation signal having a same frequency as the second fundamental frequency to output a modulated wave, the first power supply repeatedly performs search processing of a start phase of the modulation signal and search processing of a frequency shift amount of the modulated wave such that magnitude of a reflection coefficient or magnitude of reflected wave power reduces.
    Type: Application
    Filed: December 20, 2022
    Publication date: June 29, 2023
    Inventors: Yuya UENO, Yuichi HASEGAWA
  • Publication number: 20230207270
    Abstract: A high-frequency power supply device includes: a first power supply that supplies first high-frequency power to a load by outputting a first high-frequency voltage having a first fundamental frequency; a second power supply that supplies second high-frequency power to the load by outputting a second high-frequency voltage having a second fundamental frequency lower than the first fundamental frequency; a first matching unit that performs a first matching operation of matching an impedance of the first power supply with an impedance of the load in a state in which intermodulation distortion caused by the first high-frequency power and the second high-frequency power being simultaneously supplied to the load, occurs. The first power supply frequency-modulates the first high-frequency voltage with a modulation signal having a same frequency as the second fundamental frequency to output a modulated wave after the first matching operation is completed.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 29, 2023
    Inventors: Yuichi HASEGAWA, Yuya Ueno
  • Publication number: 20230207269
    Abstract: A high-frequency power supply apparatus includes the following elements. A first power supply supplies first power to a load by outputting a first voltage whose fundamental frequency is higher than a second voltage output by a second power supply. A period signal generation circuit generates a period signal matching a frequency and a phase of the second voltage. A waveform control circuit generates a modulation signal for performing frequency modulation on a fundamental wave signal of the first voltage, and adjusts an output timing of the modulation signal in accordance with a timing of the period signal. The first power supply generates a first frequency signal by performing frequency modulation on the fundamental wave signal of the first voltage by using the modulation signal. The first power supply performs power amplification on the first frequency signal and outputs, to the load, the first frequency signal as first power.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 29, 2023
    Inventors: Yuichi HASEGAWA, Tatsuya MORlI
  • Publication number: 20230207264
    Abstract: To simplify a process of suppressing an increase in a reflected wave power caused by IMD, provided is a high-frequency power supply system for providing a high-frequency power to a load, including: a first power supply for supplying a first high-frequency power to the load; a second power supply for supplying a second high-frequency power to the load; and a matching device. The matching device provides a system clock to each of the first power supply and the second power supply. The second power supply outputs a second high-frequency voltage at a control period determined based on the system clock provided from the matching device. The first power supply outputs a first high-frequency voltage obtained by frequency modulation of a fundamental wave signal having a first fundamental frequency and through amplification, in each control period determined based on the system clock provided from the matching device.
    Type: Application
    Filed: December 21, 2022
    Publication date: June 29, 2023
    Inventor: Yuichi HASEGAWA