Patents by Inventor Yumiko Kato

Yumiko 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).

  • Patent number: 11480818
    Abstract: An optical scan device includes an optical waveguide array, including a plurality of optical waveguides each of which propagates light along a first direction, that emits a light beam, the plurality of optical waveguides being arranged in a second direction that intersects the first direction, a phase shifter array including a plurality of phase shifters connected separately to each of the plurality of optical waveguides, a control circuit that controls a phase shift amount of each of the plurality of phase shifters and/or inputting of light to each of the plurality of phase shifters and thereby controls a direction and shape of the light beam that is emitted from the optical waveguide array, a photodetector that detects the light beam reflected by a physical object, and a signal processing circuit that generates distance distribution data on the basis of output from the photodetector.
    Type: Grant
    Filed: January 18, 2021
    Date of Patent: October 25, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yasuhisa Inada, Atsushi Ishikawa, Yumiko Kato
  • Publication number: 20220236378
    Abstract: A sensing device includes a light source, a light-receiving device including at least one light-receiving element that performs photoelectric conversion, and a processing circuit that controls the light source and the light-receiving device. The processing circuit causes the light source to emit light to a scene at least once, causes the light-receiving device to receive reflected light in each of a plurality of exposure periods, the reflected light being resulting from the emitted light, generates, based on received-light data from the light-receiving device, luminance data that indicates distributions of amounts of reflected light corresponding to the respective exposure periods and that are used for generating distance data for the scene, and outputs the luminance data and timing data indicating timings of the respective exposure periods.
    Type: Application
    Filed: April 18, 2022
    Publication date: July 28, 2022
    Inventors: Yumiko Kato, Yasuhisa Inada, Toshiyasu Sugio, Noritaka Iguchi
  • Publication number: 20220206155
    Abstract: A ranging apparatus includes a light emitting apparatus, a light receiving apparatus, and a processing circuit that controls the light emitting apparatus and the light receiving apparatus. The processing circuit causes the light emitting apparatus to emit first light that illuminates a first range in a scene, causes the light receiving apparatus to detect first reflected light produced by illumination with the first light and output first detection data, determines, on the basis of the first detection data, one or more second ranges that are narrower than the first range, causes the light emitting apparatus to emit second light that illuminates the second ranges, causes the light receiving apparatus to detect second reflected light produced by illumination with the second light and output second detection data, and generates and outputs distance data on the second regions on the basis of the second detection data.
    Type: Application
    Filed: March 15, 2022
    Publication date: June 30, 2022
    Inventors: YASUHISA INADA, TOKUZOU KIYOHARA, YUMIKO KATO
  • Patent number: 11330250
    Abstract: A three-dimensional display device configured to display a main image and an additional image on a screen includes a display region candidate decider that decides one candidate region from a plurality of region candidates for the additional image to be superimposed on the main image on the screen, a depth suitability determiner that determines whether a difference between a depth of the main image displayed at a boundary region and a depth of the additional image is within a predetermined tolerance range, and an image composer that, when the difference in depth between the depth of the main image displayed at the boundary region and the depth of the additional image is within the tolerance range, superimposes the additional image upon the main image at the candidate region, thereby composing a composite image of the main image and the additional image, and displays the composite image on the screen.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: May 10, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yumiko Kato, Tsuyoshi Inoue, Jun Ozawa
  • Publication number: 20220120908
    Abstract: A distance measurement apparatus comprises a light emitter that emits light toward a scene, a light receiver that includes at least one light-receiving element and detects reflected light from the scene produced by the emission of light with the at least one light-receiving element, and a signal processing circuit that generates and outputs, for each frame, output data including measurement data indicating the positions or distances of a plurality of points in the scene on the basis of a signal outputted by the light receiver. The output data includes reference time data indicating a reference time determined for each frame and time difference data determined for each point, the time difference data indicating the difference from the reference time.
    Type: Application
    Filed: December 28, 2021
    Publication date: April 21, 2022
    Inventors: YUMIKO KATO, YASUHISA INADA, TOSHIYASU SUGIO, NORITAKA IGUCHI
  • Publication number: 20220099809
    Abstract: A light emitting device includes a light source that emits an optical beam in response to a control signal, an optical deflector that changes a direction of the optical beam in response to a driving voltage, and a control circuit that controls a timing of emission of the optical beam and the direction of the optical beam. The optical deflector is configured to change the direction of the optical beam along a first direction and a second direction different from the first direction and a rate of change in the direction of the optical beam along the first direction is lower than a rate of change in the direction of the optical beam along the second direction.
    Type: Application
    Filed: December 7, 2021
    Publication date: March 31, 2022
    Inventors: Kazuya Hisada, Yasuhisa Inada, Yumiko Kato
  • Publication number: 20220094899
    Abstract: A method for processing image data according to an aspect of the present disclosure includes obtaining first image data indicating a hyperspectral image of a target captured in first background light, generating, on a basis of the first image data, first spectral data indicating an estimated spectrum of the first background light, and generating, from the first image data, at least one piece of second image data indicating at least one image of the target in at least one type of second background light, which is different from the first background light, using at least one piece of second spectral data indicating at least one spectrum of the at least one type of second background light and the first spectral data.
    Type: Application
    Filed: December 1, 2021
    Publication date: March 24, 2022
    Inventors: YASUHISA INADA, ATSUSHI ISHIKAWA, TOSHIO MOCHIDA, TAKU HIRASAWA, KAZUYA HISADA, YUMIKO KATO
  • Publication number: 20220075077
    Abstract: A distance measurement apparatus comprises a light emitter that emits a plurality of light beams toward a scene in different directions and at different timings, a light receiver that includes an array of a plurality of light-receiving elements and detects reflected light from the scene produced by the emission of each light beam with the plurality of light-receiving elements, and a signal processing circuit that generates and outputs output data including measurement data indicating the positions or distances of a plurality of points in the scene on the basis of a signal outputted by the light receiver. The output data includes the data of a plurality of blocks, and individual time data is attached to each of the plurality of blocks.
    Type: Application
    Filed: November 17, 2021
    Publication date: March 10, 2022
    Inventors: YUMIKO KATO, YASUHISA INADA, TOSHIYASU SUGIO, NORITAKA IGUCHI
  • Publication number: 20210356587
    Abstract: A distance measurement apparatus includes at least one light source that emits a light beam towards a scene, a light receiving device that includes a plurality of light receiving elements and receives reflected light of the light beam from a scene, a control circuit, and a signal processing circuit. The control circuit performs control such that at least one exposure operation, in which at least part of the plurality of light receiving elements receive the reflected light, detect a charge generated by the reflected light, and accumulate the generated charge, and an operation of outputting the accumulated charge are executed repeatedly, and the at least one light source emits a plurality of light beams toward the scene between consecutive two charge output operations such that light irradiation regions do not overlap. The signal processing circuit generates and outputs distance data based on light reception data generated based on the charge.
    Type: Application
    Filed: July 29, 2021
    Publication date: November 18, 2021
    Inventors: YUMIKO KATO, KAZUKI NAKAMURA
  • Publication number: 20210181341
    Abstract: An object recognition apparatus includes a light source, an image sensor, a control circuit, and a signal processing circuit. The control circuit causes the light source to emit first light toward a scene and subsequently emit second light toward the scene, the first light having a first spatial distribution, the second light having a second spatial distribution. The control circuit causes the image sensor to detect first reflected light and second reflected light in the same exposure period, the first reflected light being caused by reflection of the first light from the scene, the second reflected light being caused by reflection of the second light from the scene. The signal processing circuit recognizes an object included in a scene based on photodetection data output from the image sensor, and based on an object recognition model pre-trained by a machine learning algorithm.
    Type: Application
    Filed: February 1, 2021
    Publication date: June 17, 2021
    Inventors: YUMIKO KATO, SATOSHI SATO, YOSHIHIDE SAWADA
  • Patent number: 11034814
    Abstract: To provide a core material for a fiber reinforced composite having an excellent workability upon being composited with a fiber reinforcing material. A core material for a fiber reinforced composite of the present disclosure comprises a molded product of expanded beads containing a thermoplastic resin, and having a heat shrinkage onset temperature of 80° C. or higher, a linear expansion coefficient of 10×10?5 mm/mm·° C. or less, and a ratio of change in dimensions with heating at 130° C. of ?4.0% to 0%.
    Type: Grant
    Filed: April 2, 2018
    Date of Patent: June 15, 2021
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Yumiko Kato, Shintaro Wakimura, Yuichiro Sakamoto, Tomoyuki Taniguchi
  • Publication number: 20210165096
    Abstract: A range-information acquiring apparatus includes a light source, an image sensor, a control circuit, and a signal processing circuit. The control circuit causes the light source to emit first light toward a scene and subsequently emit second light toward the scene, the first light having a first spatial distribution, the second light having a second spatial distribution. The control circuit causes at least a portion of plural photodetector elements of the photodetector device to detect first reflected light and second reflected light in the same exposure period, the first reflected light being caused by reflection of the first light from the scene, the second reflected light being caused by reflection of the second light from the scene. The signal processing circuit generates range data based on photodetection data output from the photodetector elements of the photodetector device.
    Type: Application
    Filed: February 9, 2021
    Publication date: June 3, 2021
    Inventors: YUMIKO KATO, SATOSHI SATO, YASUHISA INADA, YOSHIHIDE SAWADA
  • Publication number: 20210141257
    Abstract: An optical scan device includes an optical waveguide array, including a plurality of optical waveguides each of which propagates light along a first direction, that emits a light beam, the plurality of optical waveguides being arranged in a second direction that intersects the first direction, a phase shifter array including a plurality of phase shifters connected separately to each of the plurality of optical waveguides, a control circuit that controls a phase shift amount of each of the plurality of phase shifters and/or inputting of light to each of the plurality of phase shifters and thereby controls a direction and shape of the light beam that is emitted from the optical waveguide array, a photodetector that detects the light beam reflected by a physical object, and a signal processing circuit that generates distance distribution data on the basis of output from the photodetector.
    Type: Application
    Filed: January 18, 2021
    Publication date: May 13, 2021
    Inventors: YASUHISA INADA, ATSUSHI ISHIKAWA, YUMIKO KATO
  • Publication number: 20200386743
    Abstract: A method for evaluating drug responsiveness includes disposing a myocardial cell produced through differential induction onto a board including an electrode, administering a drug to the myocardial cell, continuously applying, after the drug is administered, a pulse current or a pulse voltage to the myocardial cell through the electrode for a certain period of time, measuring, after the certain period of time has elapsed, a pulsation characteristic of the myocardial cell, and evaluating responsiveness of the myocardial cell to the drug on a basis of the pulsation characteristic.
    Type: Application
    Filed: August 24, 2020
    Publication date: December 10, 2020
    Inventors: KIYOTAKA TSUJI, YUMIKO KATO
  • Publication number: 20200333285
    Abstract: An electric reaction measuring apparatus measures a potential of each of measurement electrodes, which are respectively disposed in chambers in a culture vessel, with respect to at least one reference electrode. The electric reaction measuring apparatus includes at least one control circuit. A measurement object is disposed in each of the chambers. The at least one control circuit calculates at least one principal component for each of the measurement electrodes by performing principal component analysis of the potential of each of the measurement electrodes; estimates, for each of the measurement electrodes, a potential corresponding to the principal component from the principal component of the measurement electrode, and synthesizes the estimated potential; subtracts the synthesized potential of the measurement electrode from a potential measured at the measurement electrode; and outputs a potential after subtraction.
    Type: Application
    Filed: July 2, 2020
    Publication date: October 22, 2020
    Inventors: YUMIKO KATO, KIYOTAKA TSUJI
  • Publication number: 20200232967
    Abstract: The present disclosure provides a technique which makes it possible to evaluate a state of a cell aggregation of one or more spheroids. In the culture state determination device according to the present disclosure, a plurality of light sources sequentially illuminate a plurality of cell aggregations put on an image sensor. The image sensor acquires captured images of the plurality of the cell aggregations each time when the plurality of the light sources illuminate the plurality of the cell aggregations.
    Type: Application
    Filed: April 8, 2020
    Publication date: July 23, 2020
    Inventors: YUMIKO KATO, YOSHIHIDE SAWADA, TAICHI SATO, KIYOTAKA TSUJI
  • Publication number: 20200140644
    Abstract: To provide a core material for a fiber reinforced composite having an excellent workability upon being composited with a fiber reinforcing material. A core material for a fiber reinforced composite of the present disclosure comprises a molded product of expanded beads containing a thermoplastic resin, and having a heat shrinkage onset temperature of 80° C. or higher, a linear expansion coefficient of 10×10?5 mm/mm·° C. or less, and a ratio of change in dimensions with heating at 130° C. of ?4.0% to 0%.
    Type: Application
    Filed: April 2, 2018
    Publication date: May 7, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Yumiko KATO, Shintaro WAKIMURA, Yuichiro SAKAMOTO, Tomoyuki TANIGUCHI
  • Patent number: 10607316
    Abstract: An image generating apparatus is provided with: first and second light sources that illuminate a material; an image sensor on which the material is disposed; a mask which includes a light-transmitting part that transmits light and a light-blocking part that blocks light, and which is positioned between the image sensor and the first and second light sources; and a light and dark image processing unit. The image sensor acquires first and second images of the material when illuminated by the first and second light sources, respectively. The light and dark image processing unit derives a difference between a luminance value of a pixel included in the first image and a luminance value of a pixel included in the second image at the same position as the pixel included in the first image, and thereby generates a third image of the material.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: March 31, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yumiko Kato, Yoshihide Sawada, Yasuhiro Mukaigawa, Takuya Funatomi, Hiroyuki Kubo
  • Patent number: 10379336
    Abstract: An image generating apparatus is provided with a first light source and a second light source, an image sensor, a mask including a light-transmitting part and a light-blocking part, and a dark image processing unit. The image sensor acquires a first image of the material when illuminated by the first light source, and acquires a second image of the material when illuminated by the second light source. The image sensor includes a first pixel region and a second pixel region. The light-blocking part is positioned between the first pixel region and the first light source. The light-blocking part is positioned between the first pixel region and the first light source. The dark image processing unit uses first pixel information corresponding to a first pixel region in the first image and second pixel information corresponding to a second pixel region in the second image to generate a third image.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: August 13, 2019
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Yumiko Kato, Yoshihide Sawada, Yasuhiro Mukaigawa, Takuya Funatomi, Hiroyuki Kubo, Fusataka Kuniyoshi
  • Patent number: 10382678
    Abstract: An image generation apparatus includes first and second light sources, an image sensor, a mask, and a processing circuit. The image sensor acquires a first image when the first light source is energized and acquires a second image when the second light source is energized. The processing circuit obtains a pixel value based on a direct light component or a pixel value based on a component other than the direct light component corresponding to a focal point by using pixel values of first pixel regions of the first image, pixel values of second pixel regions of the second image, the ratios of the direct light and the light other than the direct light from the first light source, and the ratios of the direct light and the light other than the direct light from the second light source and generates a cross-sectional image of a substance on the focal plane.
    Type: Grant
    Filed: February 19, 2018
    Date of Patent: August 13, 2019
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Yumiko Kato, Yoshihide Sawada, Yasuhiro Mukaigawa, Takuya Funatomi, Hiroyuki Kubo, Fusataka Kuniyoshi