Patents by Inventor Hiroshi Fukuda

Hiroshi Fukuda 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: 12148468
    Abstract: A semiconductor memory device includes a memory cell array including a plurality of memory cells each including a resistance change type memory element configured to store a resistance state and a switch, a read determination circuit that compares a measurement signal from the memory cell selected in the memory cell array with a reference signal to determine a resistance state so as to read information from the resistance change type memory element, and a reference signal correction unit that corrects a level of the reference signal based on a selected position of the memory cell in the memory cell array.
    Type: Grant
    Filed: November 17, 2022
    Date of Patent: November 19, 2024
    Assignee: POWER SPIN INC.
    Inventors: Hiroshi Yoshida, Toshimasa Namekawa, Satoru Araki, Etsuo Fukuda, Tetsuo Endoh
  • Publication number: 20240360872
    Abstract: Provided is a sliding component capable of maintaining high lubricity over a long period of time by efficiently using a liquid supplied between sliding surfaces. In a pair of sliding components disposed at a relatively rotating position to face each other when a rotating machine is driven, a sliding surface of the sliding component is formed on an outer peripheral edge portion and includes an opening portion extending in a circumferential direction and a fluid supply groove communicating with the opening portion and opening to a peripheral edge of the sliding surface on the side of the opening portion.
    Type: Application
    Filed: March 22, 2022
    Publication date: October 31, 2024
    Inventors: Shogo FUKUDA, Tadatsugu IMURA, Iwa OU, Hiroshi SUZUKI, Kenta UCHIDA, Hiroki AIZAWA
  • Publication number: 20240351133
    Abstract: Provided is a friction stir spot welded joint having high joint strength even in the case where a high strength steel sheet, particularly a steel sheet with a tensile strength (TS) of 980 MPa or more, is used as a material to be welded. An annular groove is formed on an upper surface of an upper sheet out of overlapping steel sheets, and a shape, microstructure, and hardness of a welded portion are appropriately controlled simultaneously.
    Type: Application
    Filed: July 21, 2022
    Publication date: October 24, 2024
    Applicants: JFE STEEL CORPORATION, KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Daiki YAMAGISHI, Katsutoshi TAKASHIMA, Hiroshi MATSUDA, Ryoji OHASHI, Yoshitaka MURAMATSU, Takuya FUKUDA
  • Patent number: 12122238
    Abstract: A bulge portion bulging rearward is provided at a dash panel. A reinforcement is fixed to an inner surface of the bulge portion. A rear end wall portion of the bulge portion is positioned at the rear of a center portion of a rear end portion of a cowl panel in a vehicle width direction.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: October 22, 2024
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Takayuki Kimura, Takehiro Kamei, Isao Toda, Haruo Ohe, Hironobu Hashiguchi, Hiroshi Tanaka, Masaya Hiramatsu, Masanobu Fukushima, Takao Fukuda
  • Publication number: 20240336996
    Abstract: A plated steel sheet comprises a plated layer on a surface of a steel sheet, in which in the plated layer, the total amount ?A of Sn, Bi, and In is less than 0.75%, the total amount ?B of Ca, Y, La, and Ce is 0.03 to 0.60%, the total amount ?C of Cr, Ti, Ni, Co, V, Nb, Cu, and Mn is 0 to 1.00%, Sn?Si, and 20.0?Mg/Si are satisfied, and in an X-ray diffraction pattern of a surface of the plated layer, an X-ray diffraction peak of Al2.15Zn1.85Ca, an X-ray diffraction peak of CaZn2, and an X-ray diffraction peak of ??-MgZn2 satisfy a predetermined relationship.
    Type: Application
    Filed: August 16, 2022
    Publication date: October 10, 2024
    Applicant: NIPPON STEEL CORPORATION
    Inventors: Kohei TOKUDA, Mamoru SAITO, Yuto FUKUDA, Yasuto GOTO, Yasuhiro MAJIMA, Naoyuki YAMATO, Fumiaki NAKAMURA, Hidetoshi SHINDO, Koji KAWANISHI, Kenichiro MATSUMURA, Hiroshi TAKEBAYASHI
  • Patent number: 12111272
    Abstract: The purpose of this invention is to estimate the occurrence of defects such as probability pattern defects, with a small number of inspection points. To achieve this purpose, the present invention proposes a system and a computer-readable medium. The system comprises: a step in which first data pertaining to the probability that the edge of a pattern determined on the basis of measurement data for a plurality of measurement points on a wafer is present at a first position is acquired or is generated; a step in which, if the edge is at the first position, second data pertaining to the probability that a film defect covers a region including the first position and a second position which is different to said first position is acquired or generated; and a step in which the probability of the defect occurring is predicted on the basis of the first data and the second data.
    Type: Grant
    Filed: June 21, 2023
    Date of Patent: October 8, 2024
    Assignee: Hitachi High-Tech Corporation
    Inventor: Hiroshi Fukuda
  • Publication number: 20240328121
    Abstract: The control valve includes a valve body; a spool hole formed in the valve body; a spool slidably fitted in the spool hole; a pilot chamber into which a pilot fluid to actuate the spool is led; a discharge passage to discharge a hydraulic fluid to an outside of the valve body; a spiral groove to communicate with the discharge passage, the spiral groove being formed in a spiral shape on an outer periphery of the spool; and at least one axial groove to cause the pilot chamber and the spiral groove to communicate with each other, the axial groove being formed along an axial direction of the spool on an inner surface of the spool hole.
    Type: Application
    Filed: June 12, 2024
    Publication date: October 3, 2024
    Applicants: KUBOTA CORPORATION, KYB CORPORATION
    Inventors: Hiroshi HORII, Syunsuke FUKUDA
  • Patent number: 12098261
    Abstract: Provided are a near-infrared absorbing material fine particle dispersion, a near-infrared absorber, and a laminated structure for near-infrared absorption, which can exhibit higher near-infrared absorption property, compared to near-infrared fine particle dispersions, near-infrared absorber, and laminated structures for near-infrared absorption, containing tungsten oxides or composite tungsten oxides according to the conventional art. Also provided is a near-infrared absorbing material fine particle dispersion, wherein composite tungsten oxide fine particles, each particle containing a hexagonal crystal structure, and a silane compound are contained in an acrylic resin.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: September 24, 2024
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Hiroki Nakayama, Hiroshi Kobayashi, Kenji Fukuda
  • Publication number: 20240309910
    Abstract: There are provided sliding components that allow sliding surfaces to smoothly slide against each other regardless of whether a relative rotation direction is a forward rotation or a reverse rotation. The sliding components and include: a pair of sliding surfaces and disposed to face each other at a location where a relative rotation takes place when a rotating machine is driven. The sliding surface is provided with a first dynamic pressure generating groove communicating with a radially outer-side space and extending in one circumferential direction, a second dynamic pressure generating groove extending in the opposed circumferential direction, and a conduit groove communicating with the space. The conduit groove includes an annular groove and a communication groove communicating between the annular groove and the space. The second dynamic pressure generating groove is disposed closer to the space than the annular groove, and communicates with the annular groove.
    Type: Application
    Filed: June 28, 2022
    Publication date: September 19, 2024
    Inventors: Shogo FUKUDA, Tadatsugu IMURA, Iwa OU, Hiroshi SUZUKI, Kenta UCHIDA, Hiroki AIZAWA
  • Patent number: 12066665
    Abstract: There is provided an optical waveguide constituted by a core made of a semiconductor and formed on a substrate. A grating coupler is provided at one end of the optical waveguide. Further, a reflecting portion formed on the optical waveguide by being optically coupled to the optical waveguide is provided at the other end of the optical waveguide. The optical waveguide constituted by the core includes a light intensity modulation unit that modulates an intensity of guided light in the optical waveguide. The light intensity modulation unit is constituted by a variable optical attenuator.
    Type: Grant
    Filed: April 9, 2020
    Date of Patent: August 20, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Yoshiho Maeda, Toru Miura, Hiroshi Fukuda
  • Patent number: 12055773
    Abstract: An alignment optical circuit includes: a plurality of grating couplers that are formed on a substrate and arranged on a line; a plurality of optical waveguides that are connected to the plurality of grating couplers, respectively. Further, the alignment optical circuit includes an optical sensor that is formed on the substrate and measures optical intensity at a first light-receiving spot and a second light-receiving spot on a line along an arrangement direction of the plurality of grating couplers.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: August 6, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Toru Miura, Yoshiho Maeda, Hiroshi Fukuda
  • Publication number: 20240258789
    Abstract: A controller includes: a semiconductor switch that controls an operation of a control target to which electric power is supplied from a battery; a temperature detection element that detects an internal temperature of the semiconductor switch as an actual temperature; a temperature estimation unit that estimates the internal temperature as an estimated temperature based on current supplied to the semiconductor switch; a determination unit that outputs a determination result determining heat radiation failure of the semiconductor switch based on a temperature difference between the actual temperature and the estimated temperature; and a drive management unit that manages the operation of the semiconductor switch such that the actual temperature is less than an overtemperature threshold and continues the operation of the semiconductor switch when the determination result that the semiconductor switch has the heat radiation failure is obtained.
    Type: Application
    Filed: February 8, 2022
    Publication date: August 1, 2024
    Inventors: Hiroshi NAKANO, Nobuyasu KANEKAWA, Takao FUKUDA, Kentaro JUMONJI
  • Patent number: 12044725
    Abstract: A stage, electric probes, an optical probe, an electric measurement device, an optical measurement device, and a first positioning mechanism are provided. The stage includes a second positioning mechanism that changes relative positional relationship between the electric probes and an electric connection portion of each of the optical elements. The electric probes electrically connect the electric measurement device and each of the optical elements. The optical probe optically connects the optical measurement device and each of the optical elements. The first positioning mechanism changes relative positional relationship between the optical probe and an optical connection portion of each of the optical elements.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: July 23, 2024
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Toru Miura, Yoshiho Maeda, Hiroshi Fukuda
  • Publication number: 20240193760
    Abstract: The purpose of this disclosure is to generate a reference image on the basis of a proper model even for a sample such as a semiconductor device including many patterns and to perform a defect inspection using the reference image. This disclosure proposes one or more computer systems for identifying defects in a received input image. The one or more computer systems include a training device including an autoencoder that has been trained beforehand by inputting multiple images at different positions in a training image. The one or more computer systems divide the input image into multiple input images, input same to the autoencoder, and compare images output from the autoencoder with the input images.
    Type: Application
    Filed: February 25, 2022
    Publication date: June 13, 2024
    Inventor: Hiroshi FUKUDA
  • Publication number: 20240118167
    Abstract: An optical characteristic inspection circuit includes, in order, an optical input element, an optical splitter circuit including a resistor, a first optical circuit to be inspected connected to one output of the optical splitter circuit, a second optical circuit to be inspected connected to another output of the optical splitter circuit, and a photodetector that detects an intensity of light transmitted through the first optical circuit to be inspected and an intensity of light transmitted through the second optical circuit to be inspected. Therefore, the present invention can provide an optical characteristic inspection circuit capable of reducing man-hours required for optical characteristic inspection.
    Type: Application
    Filed: March 25, 2021
    Publication date: April 11, 2024
    Inventors: Yoshiho Maeda, Toru Miura, Hiroshi Fukuda
  • Patent number: 11939322
    Abstract: This invention relates to a method for manufacturing 9-ethyl-6,6-dimethyl-8-[4-(morpholin-4-yl)piperidin-1-yl]-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile, and is industrially preferable, allowing an objective substance to be obtained in high yield more safely and easily than the conventional method.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: March 26, 2024
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroki Serizawa, Akira Kawase, Hiroshi Fukuda, Naoto Hama
  • Patent number: 11941098
    Abstract: An authentication device includes: a wearing position determination unit that determines a wearing position, the wearing position being a position at which a wearable article comprising a sensor is being worn on a body; and an authentication unit that performs authentication by using biometric information of the body, the biometric information being detected by the sensor at the wearing position.
    Type: Grant
    Filed: October 4, 2022
    Date of Patent: March 26, 2024
    Assignee: NEC CORPORATION
    Inventor: Hiroshi Fukuda
  • Patent number: 11903674
    Abstract: A wearable article includes: an annular casing that surrounds a space into which a body of a user is to be inserted; a light-emitting element that is provided in the casing, the light-emitting element emitting light towards the space; an imaging element that is provided in the casing, the imaging element capturing and obtaining an image of the space when the light-emitting element emits light; and an authentication circuit that authenticates the user based on a vein pattern obtained in advance and the image.
    Type: Grant
    Filed: February 9, 2023
    Date of Patent: February 20, 2024
    Assignee: NEC CORPORATION
    Inventor: Hiroshi Fukuda
  • Patent number: 11880070
    Abstract: Plural grating couplers having grating conditions different from each other and plural optical waveguides respectively connected with the plural grating couplers are included. The plural grating couplers have the same arraying directions of gratings. Further, each of the plural grating couplers has a different grating interval as a grating condition. Further, plural reflection units respectively provided to the plural optical waveguides are included.
    Type: Grant
    Filed: May 17, 2019
    Date of Patent: January 23, 2024
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Toru Miura, Yoshiho Maeda, Hiroshi Fukuda
  • Publication number: 20240011718
    Abstract: A thermal diffusion device that includes: a housing including a first inner wall surface and a second inner wall surface opposed to each other in a thickness direction; a working medium in an internal space of the housing; a porous body between the first inner wall surface and the second inner wall surface; and a support inside the housing along a direction of extension of the porous body and configured to support the first inner wall surface of the housing and the porous body. The support is positioned such that a liquid passage for the working medium is defined in a space surrounded by the porous body and the first inner wall surface. In plan view of the housing, a region where the first inner wall surface overlaps the porous body is smaller than a region where the first inner wall surface does not overlap the porous body.
    Type: Application
    Filed: September 20, 2023
    Publication date: January 11, 2024
    Inventor: Hiroshi FUKUDA