Patents by Inventor Hiroyuki Yoshida

Hiroyuki Yoshida 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: 20250116503
    Abstract: An image measuring apparatus includes: a CAD data storage unit that stores CAD data of at least one object and CAD data information including designed dimensions extracted from the CAD data, measurement points corresponding to the design dimensions, and edge detection tool conditions used to detect the edges of the measurement points in advance for each different CAD data; a CAD data retrieval unit that retrieves CAD data from the CAD data storage unit that are similar in shape to the measurement object represented in the captured image; a CAD data setting unit that performs best-fit of the CAD data identified based on the retrieval to the image of the measurement object as the CAD data of the measurement object, and sets the coordinate system of the CAD data; and a measurement performing unit that performs edge detection and dimensional measurement for each measurement point using the CAD data information.
    Type: Application
    Filed: October 4, 2024
    Publication date: April 10, 2025
    Inventors: Hiroyuki Yoshida, Yuji Sadahira, Yuki Yamasaki
  • Publication number: 20250117958
    Abstract: An image measuring apparatus and a program with good operability even when the information display screen is small or the operator's skill level is low is provided. An image measuring apparatus according to the present invention captures an image of a measurement object and measures the dimensions of the measurement object through a plurality of operation steps. The image measuring apparatus comprises: a display unit that displays user interfaces that accept inputs through input operations by an operator; a process control unit that causes the display unit to display only the user interfaces that accept the inputs necessary to use the available functions in each of the operation steps; and a function execution unit that executes the function for which the input related to use is made on the user interface.
    Type: Application
    Filed: October 8, 2024
    Publication date: April 10, 2025
    Inventors: Hiroyuki Yoshida, Yuji Sadahira, Yuki Yamasaki
  • Publication number: 20250116504
    Abstract: An image measuring apparatus includes: a mounting table on which a measurement object is placed; an image capturing unit disposed opposite the mounting table and captures an image of the measurement object; a control unit that controls the image measuring apparatus; and a memory unit that stores at least the shape of the measurement object and the measurement method corresponding to the measurement object, associated to each other. The control unit includes: a placement judging unit that judges whether or not the measurement object is placed on the mounting table in a state ready for measurement based on the image captured by the image capturing unit; and a measurement performing unit that selects a measurement method based on the shape of the measurement object appearing in the image and performs the measurement, when the placement judging unit determines that the measurement object is ready for measurement.
    Type: Application
    Filed: October 7, 2024
    Publication date: April 10, 2025
    Inventors: Hiroyuki Yoshida, Yuki Yamasaki, Yuji Sadahira, Makoto Kaieda
  • Publication number: 20250053047
    Abstract: A liquid crystal element (100) includes a first electrode (20), a first liquid crystal layer (40), a second electrode (50), a second liquid crystal layer (70), and a third electrode (80). The first electrode (20) has light transmittance. The first liquid crystal layer (40) contains first macromolecules and a plurality of first liquid crystal molecules. The second electrode (50) has light transmittance. The second liquid crystal layer (70) contains second macromolecules and a plurality of second liquid crystal molecules. The first liquid crystal layer (40) is placed between the first electrode (20) and the second electrode (50). The second liquid crystal layer (70) is placed between the second electrode (50) and the third electrode (80). The first macromolecules form a three-dimensional network structure in the first liquid crystal layer (40). The second macromolecules form a three-dimensional network structure in the second liquid crystal layer (70).
    Type: Application
    Filed: December 20, 2022
    Publication date: February 13, 2025
    Applicant: OSAKA UNIVERSITY
    Inventor: Hiroyuki YOSHIDA
  • Publication number: 20250052937
    Abstract: According to one embodiment, a liquid crystal optical element includes a transparent substrate, and a liquid crystal layer which faces the transparent substrate and has a cholesteric liquid crystal and an additive exhibiting liquid crystallinity. Refractive anisotropy of the additive is less than refractive anisotropy of the liquid crystal layer.
    Type: Application
    Filed: August 6, 2024
    Publication date: February 13, 2025
    Applicants: Japan Display Inc., OSAKA UNIVERSITY
    Inventors: Koichi IGETA, Junji KOBASHI, Yasushi TOMIOKA, Shinichiro OKA, Hiroyuki YOSHIDA
  • Publication number: 20250045931
    Abstract: An image measuring apparatus, according to the present invention, captures an image of the measurement object and measures the dimensions of the measurement point of the measurement object by analyzing the image. The image measuring apparatus comprises: a display unit that displays the image of the measurement object; an input unit that accepts input of the trajectory traced by an operator on the image displayed on the display unit; an edge detection unit that detects an edge based on the traced trajectory on the image; and a measurement performing unit that performs measurement based on one or more detected edges.
    Type: Application
    Filed: July 30, 2024
    Publication date: February 6, 2025
    Inventors: Hiroyuki Yoshida, Yuji Sadahira, Yuki Yamasaki, Yoshitaka Izumi
  • Publication number: 20250047992
    Abstract: A method for eliminating lens flare that eliminates lens flare is provided. The lens flare elimination method performs: a step for acquiring images by irradiating the coaxial episcopic illumination light with varying irradiation intensities and capturing images at each irradiation intensity while the object is not placed on the mounting table; a step for capturing an image of the object by irradiating the object placed on the mounting table with the coaxial episcopic illumination light at an arbitrary irradiation intensity; a step for estimating an image for correction, which is the image at the irradiation intensity irradiated when the measurement object is captured, based on the images acquired in the image acquiring step; and a step for generating a post-correction image in which the lens flare is eliminated from the image of the object by obtaining the difference between the image of the object and the image for correction.
    Type: Application
    Filed: July 29, 2024
    Publication date: February 6, 2025
    Inventors: Hiroyuki Yoshida, Yuji Sadahira, Yuki Yamasaki
  • Patent number: 12204227
    Abstract: A liquid crystal element is provided that can inhibit occurrence of voltage drop between one end and the other end of each electrode. A liquid crystal element (100) includes a liquid crystal layer LQ, a plurality of first arcuate electrodes (1), and a plurality of second arcuate electrodes (2). The first arcuate electrodes (1) are disposed concentrically about an optical axis (AX) of the liquid crystal element (100) and applies first voltage (V1) to the liquid crystal layer (LQ). The second arcuate electrodes (2) are disposed concentrically about the optical axis (AX) and applies second voltage (V2) to the liquid crystal layer (LQ).
    Type: Grant
    Filed: December 26, 2023
    Date of Patent: January 21, 2025
    Assignee: OSAKA UNIVERSITY
    Inventors: Giichi Shibuya, Sunri Lee, Hiroyuki Yoshida, Masanori Ozaki
  • Publication number: 20240384110
    Abstract: The present invention addresses the problem of providing: a top coating agent which forms a protective film demonstrating a beautiful silvery-white appearance, can be adjusted to suppress increases in the friction coefficient even when heat-treated at a high temperature, stabilizes sliding, is strong, and has excellent water resistance, corrosion resistance, and the like; and a fastening member having the protective film formed using said top coating agent. The present invention provides: a top coating agent that includes a polyoxyalkylene amine-based surfactant, a water-soluble modified organopolysiloxane, aluminum flake, and a diluent containing water; and a silvery-white fastening member having a protective film formed using said top coating agent.
    Type: Application
    Filed: April 1, 2021
    Publication date: November 21, 2024
    Applicants: DIPSOL CHEMICALS CO., LTD., HONDA MOTOR CO., LTD.
    Inventors: Satoshi TAKAMATSU, Hiroshi HIRAYAMA, Mayuko SAKASHITA, Yoshiki ASAKA, Bo TONG, Shinsuke MOCHIZUKI, Atsushi MURAKAMI, Hiroyuki YOSHIDA
  • Publication number: 20240377681
    Abstract: According to one embodiment, an alignment processing device includes a light source, a polarizing beam splitter, a first optical system, a second optical system, a first retardation film, a second retardation film, a moving mechanism configured to move a processing substrate in which a thin film is formed, and a controller. Interfering light is formed in an exposure area by first circularly polarized light and second circularly polarized light. The controller performs control so as to repeat a process of exposing part of an area of the thin film by the interfering light and a process of moving the processing substrate.
    Type: Application
    Filed: May 10, 2024
    Publication date: November 14, 2024
    Applicants: Japan Display Inc., OSAKA UNIVERSITY
    Inventors: Koichi IGETA, Ayaka HIGUCHI, Junji KOBASHI, Yasushi TOMIOKA, Shinichiro OKA, Hiroyuki YOSHIDA
  • Patent number: 12135457
    Abstract: According to one embodiment, a liquid crystal optical element includes an optical waveguide including a first main surface and a second main surface opposed to the first main surface, an alignment film disposed on the second main surface, a liquid crystal layer which overlaps the alignment film, which includes cholesteric liquid crystals, and which reflects at least part of light incident through the optical waveguide toward the optical waveguide, and a transparent first protective layer which overlaps the liquid crystal layer, and which is formed of a water-soluble polymer or a fluorine-based resin.
    Type: Grant
    Filed: February 2, 2024
    Date of Patent: November 5, 2024
    Assignees: Japan Display Inc., OSAKA UNIVERSITY
    Inventors: Koichi Igeta, Shinichiro Oka, Yasushi Tomioka, Junji Kobashi, Hiroyuki Yoshida
  • Patent number: 12077721
    Abstract: The invention provides a grease composition for a speed reducer part of an on-vehicle electric component, the grease composition containing a base oil and a thickener, wherein the base oil is poly-?-olefin or a mixed oil of poly-?-olefin and mineral oil having a kinematic viscosity of 4 to 19 mm2/s at 100° C. and a pour point of ?30° C. or lower, the thickener is a mixture of a diurea compound expressed by formula (1) and a diurea compound expressed by formula (2) R1—NHCONH—R2—NHCONH—R1??(1) R3—NHCONH—R2—NHCONH—R3??(2) wherein R1 is a straight-chain alkyl group having 8 or 18 carbon atoms, R2 is a divalent aromatic hydrocarbon group having 6 to 15 carbon atoms, and R3 is an aryl group having 6 to 7 carbon atoms, and a penetration of the grease composition is 220 to 280.
    Type: Grant
    Filed: October 16, 2020
    Date of Patent: September 3, 2024
    Assignee: KYODO YUSHI CO., LTD.
    Inventors: Satoshi Yamazaki, Yoshiyuki Nagasawa, Daisuke Tsutsui, Osamu Nakamura, Hiroyuki Yoshida, Tsubasa Ishizeki
  • Patent number: 12064878
    Abstract: A robot controlling part (41) of a substrate transferring robot performs an operation regulating control when a substrate is placed on a substrate placing part (12a). The operation regulating control is a control in which a hand (12) is moved in accordance with an operation plan that regulates the movement of the hand in a regulation target section (A) where the hand is moved to have a vertical acceleration component exceeding a given first threshold (L1), the movement of the hand including at least one of a horizontal velocity component exceeding a given second threshold (L2) and an acceleration component exceeding a given third threshold.
    Type: Grant
    Filed: June 17, 2020
    Date of Patent: August 20, 2024
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Hiroyuki Yoshida, Yukimasa Yamada, Shinya Kitano
  • Publication number: 20240231178
    Abstract: A liquid crystal element is provided that can inhibit occurrence of voltage drop between one end and the other end of each electrode. A liquid crystal element (100) includes a liquid crystal layer LQ, a plurality of first arcuate electrodes (1), and a plurality of second arcuate electrodes (2). The first arcuate electrodes (1) are disposed concentrically about an optical axis (AX) of the liquid crystal element (100) and applies first voltage (Vi) to the liquid crystal layer (LQ). The second arcuate electrodes (2) are disposed concentrically about the optical axis (AX) and applies second voltage (V2) to the liquid crystal layer (LQ).
    Type: Application
    Filed: December 26, 2023
    Publication date: July 11, 2024
    Applicant: OSAKA UNIVERSITY
    Inventors: Giichi SHIBUYA, Sunri LEE, Hiroyuki YOSHIDA, Masanori OZAKI
  • Publication number: 20240192417
    Abstract: According to one embodiment, a liquid crystal optical element includes an optical waveguide including a first main surface and a second main surface opposed to the first main surface, an alignment film disposed on the second main surface, a liquid crystal layer which overlaps the alignment film, which includes cholesteric liquid crystals, and which reflects at least part of light incident through the optical waveguide toward the optical waveguide, and a transparent first cover member opposed to the liquid crystal layer with a first low-refractive-index layer interposed between the first cover member and the liquid crystal layer, the first low-refractive-index layer having a refractive index lower than a refractive index of the liquid crystal layer.
    Type: Application
    Filed: February 2, 2024
    Publication date: June 13, 2024
    Applicants: Japan Display Inc., OSAKA UNIVERSITY
    Inventors: Koichi IGETA, Yasushi TOMIOKA, Shinichiro OKA, Junji KOBASHI, Hiroyuki YOSHIDA
  • Publication number: 20240176074
    Abstract: According to one embodiment, a liquid crystal optical element includes an optical waveguide including a first main surface and a second main surface opposed to the first main surface, an alignment film disposed on the second main surface, a liquid crystal layer which overlaps the alignment film, which includes cholesteric liquid crystals, and which reflects at least part of light incident through the optical waveguide toward the optical waveguide, and a transparent first protective layer which overlaps the liquid crystal layer, and which is formed of a water-soluble polymer or a fluorine-based resin.
    Type: Application
    Filed: February 2, 2024
    Publication date: May 30, 2024
    Applicants: Japan Display Inc., OSAKA UNIVERSITY
    Inventors: Koichi IGETA, Shinichiro OKA, Yasushi TOMIOKA, Junji KOBASHI, Hiroyuki YOSHIDA
  • Publication number: 20240176193
    Abstract: According to one embodiment, a liquid crystal optical element includes an optical waveguide including a first main surface and a second main surface opposed to the first main surface, a first alignment film disposed on the second main surface, a first liquid crystal layer which overlaps the first alignment film, which comprises a first cholesteric liquid crystal, and which reflects at least part of light incident through the optical waveguide toward the optical waveguide, a second alignment film which overlaps the first liquid crystal layer, and a second liquid crystal layer which overlaps the second alignment film, which comprises a second cholesteric liquid crystal, and which reflects at least part of light incident through the optical waveguide toward the optical waveguide.
    Type: Application
    Filed: February 2, 2024
    Publication date: May 30, 2024
    Applicants: Japan Display Inc., OSAKA UNIVERSITY
    Inventors: Koichi IGETA, Shinichiro OKA, Yasushi TOMIOKA, Junji KOBASHI, Hiroyuki YOSHIDA
  • Patent number: 11982825
    Abstract: According to one embodiment, a liquid crystal optical element includes a transparent substrate including a main surface, an alignment film disposed on the main surface, and a liquid crystal layer overlapping the alignment film and including a cholesteric liquid crystal including liquid crystal molecules stacked helically and an additive exhibiting a liquid crystalline property. In the liquid crystal layer, a reflective surface along which alignment directions of the liquid crystal molecules are identical is inclined with respect to the main surface.
    Type: Grant
    Filed: May 17, 2023
    Date of Patent: May 14, 2024
    Assignees: Japan Display Inc., Oaka University
    Inventors: Koichi Igeta, Shinichiro Oka, Yasushi Tomioka, Hiroyuki Yoshida
  • Publication number: 20240134245
    Abstract: A liquid crystal element is provided that can inhibit occurrence of voltage drop between one end and the other end of each electrode. A liquid crystal element (100) includes a liquid crystal layer LQ, a plurality of first arcuate electrodes (1), and a plurality of second arcuate electrodes (2). The first arcuate electrodes (1) are disposed concentrically about an optical axis (AX) of the liquid crystal element (100) and applies first voltage (Vi) to the liquid crystal layer (LQ). The second arcuate electrodes (2) are disposed concentrically about the optical axis (AX) and applies second voltage (V2) to the liquid crystal layer (LQ).
    Type: Application
    Filed: December 26, 2023
    Publication date: April 25, 2024
    Applicant: OSAKA UNIVERSITY
    Inventors: Giichi SHIBUYA, Sunri LEE, Hiroyuki YOSHIDA, Masanori OZAKI
  • Patent number: 11932057
    Abstract: Provided is a pneumatic tire. A tread portion includes a plurality of longitudinal grooves extending in the tire circumferential direction, a plurality of lateral grooves extending in a tire lateral direction, and a plurality of blocks defined by the longitudinal grooves and the lateral grooves. Notch portions are formed in portions of a freely-selected pair of blocks adjacent to each other across a longitudinal groove, the portions facing the longitudinal groove. The notch portions face with each other across the longitudinal groove. Each of the notch portions has a notch width and a notch depth larger on a center side in an extension direction of the longitudinal groove than on an outer side in the extension direction of the longitudinal groove.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: March 19, 2024
    Assignee: The Yokohama Rubber Co., LTD.
    Inventor: Hiroyuki Yoshida