Patents by Inventor Masaki Sato

Masaki Sato 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: 20230294094
    Abstract: A flow channel device includes a first storage part that stores liquid, a first flow channel through which liquid in the first storage part passes, and a second flow channel through which liquid passes to the first storage part, in which a thickness of the first flow channel is smaller than a thickness of the second flow channel.
    Type: Application
    Filed: July 27, 2021
    Publication date: September 21, 2023
    Inventors: Masaki SATO, Masaru NAGATA, Tomoyuki ONO, Yuuki NAKAYAMA
  • Publication number: 20230276147
    Abstract: A photoelectric conversion device includes a pixel array having aperture pixels arranged so as to form rows and columns, signal lines arranged in the pixel array so as to allow readout of signals from the aperture pixels, current sources connected to the signal lines, a first voltage supply line configured to supply a first reference voltage to the aperture pixels, a first pad connected to the first voltage supply line, a bias circuit configured to supply a bias voltage to the current sources, a second voltage supply line electrically separated from the first voltage supply line, and configured to supply a second reference voltage to the bias circuit, and a second pad connected to the second voltage supply line.
    Type: Application
    Filed: February 23, 2023
    Publication date: August 31, 2023
    Inventors: YU ARISHIMA, KOICHIRO IWATA, HIROAKI KAMEYAMA, MASAKI SATO
  • Publication number: 20230275674
    Abstract: A signal processing apparatus (10) according to the present disclosure includes: an overlap-type FFT processing unit (11) that performs FFT processing overlapping input subcarrier signals each other for each of FFT blocks, and a generation unit (12) that generates a signal which is obtained by frequency shifting the subcarrier signals that have been subjected to the FFT processing by the overlap-type FFT processing unit (11) by a frequency shift amount of a subcarrier, a phase offset that occurs between the FFT blocks overlapping each other being compensated in the signal.
    Type: Application
    Filed: July 30, 2020
    Publication date: August 31, 2023
    Applicant: NEC Corporation
    Inventors: Masaki Sato, Junichi Abe
  • Publication number: 20230276150
    Abstract: A photoelectric conversion device includes pixels each including a plurality of photoelectric conversion elements and arranged in a matrix, and a control circuit that controls the pixels on row-by-row. Each pixel may output a first signal corresponding to charge generated by the first photoelectric conversion element and a second signal corresponding to charge generated by the first and second photoelectric conversion elements. The control circuit performs a first reset operation and a first readout operation for reading out the second signal on pixels in a first row, and performs a second reset operation, a second readout operation for reading out the first signal, and a third readout operation for reading out the second signal on pixels in a second row. The control circuit performs a third reset operation on pixels of any one of rows in a period one before a period during which the second reset operation is performed.
    Type: Application
    Filed: February 23, 2023
    Publication date: August 31, 2023
    Inventors: MASAKI SATO, KOICHIRO IWATA, YU ARISHIMA, KENTARO TSUKIDA
  • Patent number: 11722621
    Abstract: An image forming apparatus includes an apparatus body, a sheet supporting portion, a sheet feeding portion configured to feed a sheet supported on the sheet supporting portion, a sheet regulation portion configured to regulate a position of the sheet in a width direction, an image forming portion including an exposing portion configured to expose a charged surface of an image bearing member, the image forming portion being configured to form an image on the sheet fed by the sheet feeding portion, and a frame member provided inside the apparatus body. A position of the exposing portion is determined with respect to the frame member. A position of the sheet regulation portion is determined with respect to the frame member.
    Type: Grant
    Filed: September 8, 2020
    Date of Patent: August 8, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masaki Sato, Akira Yoshimura
  • Patent number: 11700468
    Abstract: An image capturing apparatus includes a plurality of pixels, a signal line connected to the plurality of pixels, and a limiter circuit configured to limit an amplitude of the signal at the signal line. A first pixel in the plurality of pixels sequentially outputs a noise signal, a focus detection signal, and an image capturing signal to the signal line. A second pixel in the plurality of pixels sequentially outputs a noise signal and an image capturing signal to the signal line, and wherein a potential of the signal at the signal line is set to a potential by the limiter circuit during a period after the second pixel outputs the noise signal and before the second pixel outputs the image capturing signal.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: July 11, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Koichiro Iwata, Yu Arishima, Masaki Sato
  • Publication number: 20230119766
    Abstract: In order to estimate a polarization fluctuation speed with high accuracy independently of the quality of a received signal, a polarization-fluctuation estimating device according to the present invention includes: a polarization de-multiplexing unit that generates a single-polarization optical signal from an input polarization-multiplexed optical signal; a photoelectric converting unit that converts the generated optical signal into an electrical signal; and an estimation unit that estimates the polarization fluctuation speed of the polarization-multiplexed optical signal in accordance with the electrical signal.
    Type: Application
    Filed: March 4, 2021
    Publication date: April 20, 2023
    Applicant: NEC Corporation
    Inventor: Masaki SATO
  • Patent number: 11632184
    Abstract: To suppress the deterioration of the characteristics of a MIMO equalizer as well as minimizing an increase in circuit size in spite of the occurrence of signal spectrum narrowing and asymmetric spectrum degradation, a wavelength-division multiplexing optical transmission system (10) according to an embodiment includes a transmitter (1) that generates one channel signal by wavelength-division multiplexing a plurality of subcarrier signals so as to overlap each other and transmits the channel signal, and a receiver (2) that separates a received channel signal into subcarrier signals, and performs equalization using an MIMO equalizer (3) including a FDE-MIMO equalizer (4) and a TDE-MIMO equalizer (5) on each of the separated subcarrier signals.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: April 18, 2023
    Assignee: NEC CORPORATION
    Inventors: Hidemi Noguchi, Junichi Abe, Masaki Sato
  • Patent number: 11619666
    Abstract: A measurement apparatus includes external terminals configured for connection to a device-under-test (DUT), the external terminals including first and second force terminals and first and second sense terminals. The measurement apparatus further includes a controller and a feedback loop configured in a current feedback mode to sense a current flowing from the first force terminal to the second force terminal, and in a voltage feedback mode to sense a voltage across the first and second sense terminals. The measurement apparatus further includes a measurement path configured to measure a least one of a voltage and current across a pair of the external terminals and to supply the measured at least one of the voltage and current to the controller.
    Type: Grant
    Filed: January 29, 2021
    Date of Patent: April 4, 2023
    Assignee: Keysight Technologies, Inc.
    Inventors: Nobuaki Iwaki, Yasuhiro Miyake, Masaki Sato, Hiroshi Nada
  • Publication number: 20230010017
    Abstract: An image forming apparatus includes an apparatus body and a moveable unit. The apparatus body includes an image forming device and a restriction portion. The moveable unit includes an image reading device and is detachably attached to the apparatus body. The moveable unit is opened and closed with respect to the apparatus body by rotation about a rotation shaft when the moveable unit is attached to the apparatus body. The moveable unit is attached to and detached from the apparatus body by moving in an axial direction of the rotation shaft. The moveable unit further includes a restricted portion that engages with the restriction portion that restricts a movement of the moveable unit in the axial direction. The restriction portion or the restricted portion further includes a deformation portion having elasticity. The deformation portion is deformed so that the moveable unit is attached to and detached from the apparatus body.
    Type: Application
    Filed: July 6, 2022
    Publication date: January 12, 2023
    Inventor: Masaki Sato
  • Publication number: 20220401373
    Abstract: Masking particles which comprise a drug-containing particle containing a drug, an acid, and a carbonate, the drug-containing particle being coated with a coating layer containing a water-insoluble polymer sufficiently suppress drug release in the oral cavity and pharynx, rapidly release a drug after swallowing, and easily control the release suppression time of a drug. The acid may be at least one organic acid. The carbonate may be at least one water-soluble carbonate. Oral pharmaceutical compositions include tablets, granules, fine granules, powders.
    Type: Application
    Filed: June 10, 2020
    Publication date: December 22, 2022
    Applicant: TOWA PHARMACEUTICAL CO., LTD.
    Inventors: Tatsuya HONJO, Megumi MURAHASHI, Masaki SATO, Kayo YUMINOKI, Isamu SAEKI, Yutaka OKUDA
  • Patent number: 11496704
    Abstract: A photoelectric conversion device includes: pixels forming columns and each configured to output a pixel signal; and comparator units provided to respective columns and each configured to receive the pixel signal from the pixels on a corresponding column and the reference signal. Each comparator unit includes a comparator having a first input node that receives the pixel signal and a second input node that receives the reference signal, a first capacitor that connects a reference signal line and the second input node, a second capacitor whose one electrode is connected to the second input node, and a select unit that connects the other electrode of the second capacitor to either the reference signal line or a reference voltage line. The other electrode of the second capacitor is connected to the reference signal line during first mode AD conversion and connected to the reference voltage line during second mode AD conversion.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: November 8, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masaki Sato, Kazuhiro Saito, Tetsuya Itano, Kazuo Yamazaki, Hideo Kobayashi, Keigo Nakazawa
  • Patent number: 11477401
    Abstract: In an imaging device according to the present disclosure, during a period in which a signal from an amplifier transistor is output from a pixel via a select transistor, the gate voltage of the capacitance addition transistor changes frons the first voltage VH to the second voltage VL, and the amount of voltage change per time until the gate voltage changes from the first voltage VH to the second voltage VL is smaller than the amount of voltage change per unit time until the gate voltage changes from the second voltage VL to the first voltage VH.
    Type: Grant
    Filed: February 18, 2021
    Date of Patent: October 18, 2022
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Tetsuya Itano, Masaki Sato
  • Publication number: 20220272223
    Abstract: A light emitting component includes: a first light emitting element row including light emitting elements arranged in a main scanning direction; and a second light emitting element row including light emitting elements arranged in the main scanning direction such that the second light emitting element row is deviated from the first light emitting element row in a sub scanning direction and each of the light emitting elements in the second light emitting element row is positioned between light emitting elements adjacent to each other in the first light emitting element row, and a light emitting point area that is an area where each light emitting element of the first light emitting element row emits light, and a light emitting point area that is an area where each light emitting element of the second light emitting element row emits light are overlapped with each other in the main scanning direction.
    Type: Application
    Filed: July 23, 2021
    Publication date: August 25, 2022
    Applicant: FUJIFILM Business Innovation Corp.
    Inventors: Yusuke NIISAKA, Masaki SATO, Seiji ONO
  • Patent number: 11420835
    Abstract: A sheet storage device for storing sheets includes a supporting unit, a regulation unit, and a moving unit. The supporting unit supports stored sheets. The regulation unit is movably arranged on the supporting unit, and regulates a position of an edge portion of a sheet. The moving unit moves the regulation unit. The moving unit includes moving members to move in a direction parallel to a moving direction of the regulation unit. The moving members are moved by rotation of a rotation member in a case where the rotation member is in contact with the moving members. In a case where a fixing member attached to the sheet storage device in place of the rotation member, movement of the moving members is regulated by placing the moving members into contact with the fixing member.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: August 23, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masaki Sato, Shinta Cho
  • Patent number: 11410868
    Abstract: An electrostatic chuck includes: an electrically-conductive base plate including a first part, a second part at an outer circumference of the first part, and a gas inlet path for introducing a cooling gas; a first electrostatic chuck part configured to clamp a wafer on the first part, including a ceramic dielectric substrate that includes an embedded first clamping electrode and at least one through-hole communicating with the gas inlet path; and a second electrostatic chuck part configured to clamp a focus ring on the second part, including a ceramic layer that includes at least one through-hole for introducing a cooling gas and that includes at least a first layer contacting the focus ring when the second electrostatic chuck part clamps the focus ring, in which the first layer is less dense than the ceramic dielectric substrate. Thereby, the electrostatic chuck can increase the device yield.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: August 9, 2022
    Assignee: Toto Ltd.
    Inventors: Masaki Sato, Ikuo Itakura, Shuichiro Saigan, Jun Shiraishi, Yutaka Momiyama, Kouta Kobayashi
  • Publication number: 20220247948
    Abstract: A photoelectric conversion apparatus includes a second substrate including a signal processing circuit configured to perform signal processing using machine learning on a signal output from the first substrate. The second substrate is disposed on the first substrate in a multilayer structure. The signal processing circuit is so disposed to overlap with a pixel array but not overlap with a light-shielded pixel area as seen in a plan view.
    Type: Application
    Filed: February 1, 2022
    Publication date: August 4, 2022
    Inventors: Masaki Sato, Masahiro Kobayashi, Tatsuya Ryoki, Kohichi Nakamura, Daisuke Kobayashi, Hiroaki Kameyama, Yasuhiro Oguro
  • Publication number: 20220247966
    Abstract: A photoelectric conversion apparatus includes a first substrate including a pixel array including a plurality of pixels, a second substrate layered on the first substrate and including an AD conversion portion including a plurality of AD conversion circuits configured to convert a signal output from the first substrate into a digital signal, wherein the second substrate further includes a plurality of signal processing units including a first signal processing unit and a second signal processing unit both configured to perform machine learning processing, wherein each of a plurality of sets includes a plurality of AD conversion circuits that differ between the plurality of sets, wherein the first signal processing unit is arranged to correspond to one of the plurality of sets, and wherein the second signal processing unit is arranged to correspond to another one of the plurality of sets.
    Type: Application
    Filed: February 2, 2022
    Publication date: August 4, 2022
    Inventors: Kei Ochiai, Yoshiaki Takada, Masaki Sato, Masahiro Kobayashi, Daisuke Kobayashi, Tetsuya Itano, Nao Nakatsuji, Yasuhiro Oguro
  • Patent number: 11402609
    Abstract: Provided is an optical system and an imaging apparatus provided with the optical system. The optical system includes: a first lens having negative refractive power; a second lens having negative refractive power; a third lens having positive refractive power; and a fourth lens having positive refractive power, the first lens, the second lens, the third lens, and the fourth lens being disposed in this order from an object side. The optical system satisfies a predetermined condition relating to the focal length of the optical system and the distance on the optical axis between an exit pupil and an imaging plane in the optical system.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: August 2, 2022
    Assignee: TAMRON CO., LTD.
    Inventor: Masaki Sato
  • Patent number: 11380574
    Abstract: An electrostatic chuck includes: an electrically-conductive base plate including a first part, a second part at an outer circumference of the first part, and a gas inlet path for introducing a cooling gas; a first electrostatic chuck part configured to clamp a wafer on the first part, including a ceramic dielectric substrate that includes an embedded first clamping electrode and at least one through-hole communicating with the gas inlet path; and a second electrostatic chuck part configured to clamp a focus ring on the second part, including a ceramic layer that includes at least one through-hole for introducing a cooling gas and that includes at least a first layer contacting the focus ring when the second electrostatic chuck part clamps the focus ring, in which the first layer is less dense than the ceramic dielectric substrate. Thereby, the electrostatic chuck can increase the device yield.
    Type: Grant
    Filed: February 19, 2021
    Date of Patent: July 5, 2022
    Assignee: Toto Ltd.
    Inventors: Masaki Sato, Ikuo Itakura, Shuichiro Saigan, Jun Shiraishi, Yutaka Momiyama, Kouta Kobayashi