Patents by Inventor Hiroshi Sato

Hiroshi 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).

  • Patent number: 12361674
    Abstract: An apparatus includes an extraction unit configured to extract an N-dimensional feature vector (N is an integer that is greater than M) in a second format including an M-dimensional feature vector (M is an integer of 2 or greater) in a first format from input data, and an identification unit configured to identify a target in the input data based on the feature vector in the first format and the feature vector in the second format.
    Type: Grant
    Filed: July 18, 2022
    Date of Patent: July 15, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hideo Noro, Kotaro Yano, Hiroshi Sato
  • Patent number: 12360375
    Abstract: Provided are an optical element that can make the brightness of light emitted from a light guide plate uniform, a light guide element, and an image display device. The optical element includes a patterned cholesteric liquid crystal layer that is obtained by immobilizing a cholesteric liquid crystalline phase, in which the patterned cholesteric liquid crystal layer has a liquid crystal alignment pattern in which a direction of an optical axis derived from a liquid crystal compound changes while continuously rotating in at least one in-plane direction, and the patterned cholesteric liquid crystal layer has regions having different pitches of helical structures in a plane.
    Type: Grant
    Filed: February 13, 2023
    Date of Patent: July 15, 2025
    Assignee: FUJIFILM Corporation
    Inventors: Hiroshi Sato, Yukito Saitoh, Ayako Muramatsu, Daisuke Kashiwagi, Katsumi Sasata
  • Publication number: 20250224546
    Abstract: An object is to provide a liquid crystal diffraction element which can convert a zeroth-order ray into polarized light different from an incidence ray. The object is achieved by an optically anisotropic layer having a liquid crystal alignment pattern in which an orientation of an optical axis changes while continuously rotating in one in-plane direction, in which, in a case where a main surface of the optically anisotropic layer is observed with an optical microscope under crossed nicols such that a dark line thicker than dark lines on both adjacent sides is randomly selected, and 80 continuous dark lines are selected with the randomly selected dark line as a first dark line, a width of a dark line at an even-numbered position is narrower than a width of a dark line at an odd-numbered position, which is adjacent to the dark line at an even-numbered position.
    Type: Application
    Filed: March 28, 2025
    Publication date: July 10, 2025
    Applicant: FUJIFILM Corporation
    Inventors: Takashi YONEMOTO, Hiroshi SATO, Takeharu TANI
  • Publication number: 20250208479
    Abstract: A liquid crystal diffraction element has small wavelength dependence of diffraction efficiency and diffracts light having the same wavelength at the same angle. The liquid crystal diffraction element includes an optically-anisotropic layer that includes a liquid crystal compound, in which the optically-anisotropic layer has a liquid crystal alignment pattern in which a direction of an optical axis of the liquid crystal compound continuously rotates in one in-plane direction, and in an image obtained by observing a cross-section of the optically-anisotropic layer with a scanning electron microscope, the optically-anisotropic layer has bright portions and dark portions extending from one surface to another surface, each of the dark portions has two or more inflection points of angle, and the optically-anisotropic layer has regions where tilt directions of the dark portions are different from each other in the thickness direction.
    Type: Application
    Filed: March 12, 2025
    Publication date: June 26, 2025
    Applicant: FUJIFILM Corporation
    Inventors: Hiroshi SATO, Yukito SAITOH, Takashi YONEMOTO
  • Patent number: 12339622
    Abstract: Provided is a small-sized light irradiating device having a simple configuration that projects an optical pattern. The light irradiating device includes a light source and a liquid crystal hologram element, in which the liquid crystal hologram element diffracts transmitted light in a plurality of different directions, the liquid crystal hologram element includes a liquid crystal hologram layer, the liquid crystal hologram layer is a layer that consists of a computer generated hologram and is formed of a composition including a liquid crystal compound, and the liquid crystal hologram layer further includes a plurality of regions in which directions of optical axes derived from the liquid crystal compound are different from each other.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: June 24, 2025
    Assignee: FUJIFILM Corporation
    Inventors: Hiroshi Sato, Katsumi Sasata, Yukito Saitoh
  • Publication number: 20250167294
    Abstract: An all-solid-state battery according to the present embodiment includes a sintered body having a positive electrode, a negative electrode and a solid electrolyte layer disposed between the positive electrode and the negative electrode, the solid electrolyte layer contains a solid electrolyte having a ?-Li3PO4-type crystal structure, and the negative electrode contains pure Ag or a Ag alloy and at least one compound of Li?TiO3 (2???2.8) and Li?TiSiO5 (2???4).
    Type: Application
    Filed: September 28, 2022
    Publication date: May 22, 2025
    Applicant: TDK CORPORATION
    Inventors: Hiroshi SATO, Tomoko NAKAMURA, Yuusuke YAMAGUCHI, Shota SUZUKI, Ayaka NAGATOMI
  • Publication number: 20250167295
    Abstract: An all-solid-state battery according to the present embodiment includes a sintered body having a positive electrode, a negative electrode and a solid electrolyte layer that is between the positive electrode and the negative electrode, the positive electrode contains a compound having a spinel structure, the solid electrolyte layer contains a solid electrolyte having a ?-Li3PO4-type crystal structure, the compound having a spinel structure is represented by Li?M?Mn2??O4 . . . (1), and, in the formula (1), M is one or more atoms selected from transition metals, 0.8???1.2 is satisfied, and 0.1???0.9 is satisfied.
    Type: Application
    Filed: September 28, 2022
    Publication date: May 22, 2025
    Applicant: TDK CORPORATION
    Inventors: Hiroshi SATO, Tomoko NAKAMURA, Yuusuke YAMAGUCHI, Shota SUZUKI, Ayaka NAGATOMI
  • Publication number: 20250167296
    Abstract: An all-solid-state battery includes a sintered body including a positive electrode, a negative electrode and a solid electrolyte layer between the positive electrode and the negative electrode, in which the solid electrolyte layer contains a first solid electrolyte having a ?-Li3PO4-type crystal structure, and the negative electrode contains a second solid electrolyte having a ?-Li3PO4-type crystal structure and one or more selected from Ag and a Ag-containing alloy.
    Type: Application
    Filed: September 30, 2022
    Publication date: May 22, 2025
    Applicant: TDK CORPORATION
    Inventors: Hiroshi SATO, Shota SUZUKI, Hisaji OYAKE, Masayuki MUROI
  • Publication number: 20250167286
    Abstract: An all-solid-state battery including a sintered body including a positive electrode, a negative electrode and a solid electrolyte layer between the positive electrode and the negative electrode, in which the positive electrode contains a Ag-containing compound, a Li-containing transition metal oxide and an oxide having a composition different from a composition of the Li-containing transition metal oxide, the oxide contains Ag, and at least a part of the Ag-containing compound and the Li-containing transition metal oxide is present in the positive electrode with the oxide present therebetween.
    Type: Application
    Filed: September 30, 2022
    Publication date: May 22, 2025
    Applicant: TDK CORPORATION
    Inventors: Hiroshi SATO, Yuusuke YAMAGUCHI, Shota SUZUKI, Hisaji OYAKE, Masayuki MUROI
  • Publication number: 20250167293
    Abstract: An all-solid-state battery according to the present embodiment includes a sintered body having a positive electrode, a negative electrode and a solid electrolyte layer disposed between the positive electrode and the negative electrode, the solid electrolyte contains a solid electrolyte having a ?-Li3PO4-type crystal structure, and the negative electrode has a layer containing a metal composed of Ag or a Li—Ag alloy and a compound represented by Li?Ti5O12 (4???7).
    Type: Application
    Filed: September 28, 2022
    Publication date: May 22, 2025
    Applicant: TDK Corporation
    Inventors: Hiroshi SATO, Tomoko NAKAMURA, Shota SUZUKI, Ayaka NAGATOMI
  • Publication number: 20250136439
    Abstract: Provided is an imprinting method suitable for positioning. The imprinting method includes: supplying an imprint material onto a substrate; bringing a patterned portion of a mold into contact with the imprint material, which has been supplied onto the substrate in the supplying of the imprint material, to form a pattern on the imprint material in a predetermined pattern region on the substrate; and increasing viscosity of the imprint material at a predetermined position, which includes a position of a predetermined mark provided on the substrate, other than the pattern region to be higher than viscosity of the imprint material in the pattern region after the supplying of the imprint material and before the bringing of the patterned portion into contact with the imprint material.
    Type: Application
    Filed: December 30, 2024
    Publication date: May 1, 2025
    Inventor: Hiroshi Sato
  • Patent number: 12287483
    Abstract: An optical member and an image display apparatus including the optical member. The optical member includes: a light guide element including a light guide plate, first and second incidence diffraction elements, and first and second emission diffraction elements; a wavelength selective retardation layer that functions as a retardation layer with respect to a specific wavelength range, and changes a polarized state of light diffracted by the first or second emission diffraction element; and a polarizer, in which the first and second emission diffraction elements are polarization diffraction elements and diffract light components such that the diffracted light components are polarized light components having opposite properties, the first and second emission diffraction elements, the wavelength selective retardation layer, and the polarizer overlap each other in a main surface of the light guide plate, and the wavelength selective retardation layer is provided between the light guide element and the polarizer.
    Type: Grant
    Filed: May 25, 2022
    Date of Patent: April 29, 2025
    Assignee: FUJIFILM Corporation
    Inventors: Hiroshi Sato, Katsumi Sasata, Yukito Saitoh
  • Patent number: 12282181
    Abstract: Provided is a sensor having a high SN ratio. The sensor includes a light source, a band pass filter, and a light-receiving element, in which the band pass filter includes two cholesteric liquid crystal layers and a discontinuous layer disposed between the two cholesteric liquid crystal layers, in the two cholesteric liquid crystal layers, helical twisted directions and helical pitches are the same, and in a case where the discontinuous layer is a layer other than a cholesteric liquid crystal layer and a wavelength having a lowest reflectivity in a selective reflection wavelength range of the band pass filter is represented by ?m [nm], a thickness [nm] is in a range of “30×(?m/550) to 150×(?m/550)”.
    Type: Grant
    Filed: October 25, 2023
    Date of Patent: April 22, 2025
    Assignee: FUJIFILM Corporation
    Inventors: Hiroshi Sato, Katsumi Sasata, Yukito Saitoh
  • Patent number: 12279523
    Abstract: An object of the present invention is to provide a compound that is useful as a hole transport material for providing a device for converting light into electricity that is capable of extracting current with high efficiency, and a device for converting light into electricity and a solar cell that include the compound in a hole transport layer and have favorable light/electricity conversion characteristics. The present invention provides a compound represented by the general formula (1) below. In the formula, R1 to R20 each represent a hydrogen atom, an alkoxy group having 1 to 20 carbon atoms, or the like, and Y represents an oxygen atom or CR21R22, where R21 and R22 each represent a nitrile group, an acyl group having 1 to 10 carbon atoms, or the like.
    Type: Grant
    Filed: January 11, 2022
    Date of Patent: April 15, 2025
    Assignee: HODOGAYA CHEMICAL CO., LTD.
    Inventors: Yuya Ohkura, Hideaki Takahashi, Hiroshi Sato
  • Patent number: 12276908
    Abstract: An imprint method of performing an imprint process for a shot region of a substrate using a mold is provided. The substrate includes a valid region where a chip is to be formed, and an invalid region outside the valid region where no chip is to be formed, and the invalid region is a region formed by etching an outer region outside the valid region. The method includes deciding, based on a height difference between the valid region and the invalid region, an imprint condition for a partial shot region defined by an outer edge of the valid region, and performing the imprint process for the partial shot region in accordance with the decided imprint condition.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: April 15, 2025
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroshi Sato, Tetsuji Okada
  • Patent number: 12271096
    Abstract: An object is to provide a liquid crystal diffraction element that has small wavelength dependence of diffraction efficiency and diffracts light having the same wavelength at the same angle, an optical element including the liquid crystal diffraction element, and an image display unit, a head-mounted display, a beam steering, and a sensor including the liquid crystal diffraction element or the optical element.
    Type: Grant
    Filed: March 1, 2023
    Date of Patent: April 8, 2025
    Assignee: FUJIFILM Corporation
    Inventors: Hiroshi Sato, Yukito Saitoh, Takashi Yonemoto
  • Patent number: 12263634
    Abstract: A substrate processing method includes a first process configured to process a substrate with a top plate disposed nearer an upper surface of the substrate, the substrate being held by a substrate holding unit of a first substrate holding apparatus, a second process configured to raise the substrate with the top plate disposed on the first substrate holding apparatus to make a space between the substrate holding unit and the substrate, a third process configured to insert a substrate conveyance apparatus for conveying the substrate with the top plate disposed on the first substrate holding apparatus to a second substrate holding apparatus into the space, and a fourth process configured to convey the substrate to the second substrate holding apparatus.
    Type: Grant
    Filed: August 23, 2021
    Date of Patent: April 1, 2025
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hiroshi Sato
  • Patent number: 12259555
    Abstract: Provided are: an image display apparatus in which the utilization efficiency of a virtual image is high and the virtual image having high brightness uniformity can be displayed to be superimposed on a real image; and AR glasses including the image display apparatus. The image display apparatus includes: a display element; one or more cholesteric liquid crystal layers that reflect a display image of the display element; and a transparent reflection element that reflects the image reflected by the cholesteric liquid crystal layer to the cholesteric liquid crystal layer, in which at least one of the cholesteric liquid crystal layers has a structure having a region where a surface pitch changes in a thickness direction.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: March 25, 2025
    Assignee: FUJIFILM Corporation
    Inventors: Hiroshi Sato, Katsumi Sasata, Yukito Saitoh
  • Publication number: 20250089356
    Abstract: A change in switching time due to temperature change is suppressed. A switching circuitry is provided with a resistance component having opposite characteristics to temperature dependence of a gate current of a power transistor which is switching-controlled by the switching circuitry, and a change in a gate current due to the temperature change is suppressed by a change in the above-described resistance component due to the temperature change.
    Type: Application
    Filed: October 25, 2024
    Publication date: March 13, 2025
    Applicant: National Institute of Advanced Industrial Science and Technology
    Inventors: Atsushi YAO, Mitsuo OKAMOTO, Fumiki KATO, Hiroshi SATO, Shinsuke HARADA, Hiroshi HOZOJI, Shinji SATO
  • Publication number: 20250084287
    Abstract: An adhesive of the present invention satisfies the following requirements: the turbidity is 5.0 or less; the dissolution rate of the adhesive is 10% or more and 70% or less; the logarithmic viscosity number of a dissolved component of an adhesive solution is 0.5 dL/g or more and less than 2.5 dL/g; A1735 cm?1/A3025 cm?1 of the dissolved component of the adhesive solution is 0.20 or more and 0.80 or less; and the logarithmic viscosity number of the adhesive is greater than that of the dissolved component of the adhesive solution.
    Type: Application
    Filed: December 28, 2021
    Publication date: March 13, 2025
    Applicants: Kureha Corporation, KUREHA (CHINA) INVESTMENT CO., LTD, KUREHA (CHANGSHU) FLUOROPOLYMERS CO., LTD
    Inventors: Kenta AOKI, Fei YU, Hiroshi SATO