Patents by Inventor Satoshi Oyama

Satoshi Oyama 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: 12200173
    Abstract: There are provided an image processing device and an image processing method capable of efficiently specifying an abnormal sound in case of the occurrence of malfunction that is an important element to clarify the cause of the malfunction. The image processing device includes acquisition means, playing means, changing means, and determination means. The acquisition means acquires a plurality of kinds of sound data indicating sounds different from each other. The playing means plays one kind of sound data from the sound data. The changing means changes the one sound data to another kind of sound data. The determination means determines one kind of sound data from the sound data.
    Type: Grant
    Filed: September 15, 2023
    Date of Patent: January 14, 2025
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Sou Miyazaki, Masaki Narahashi, Satoshi Oyama, Haru Hikita
  • Publication number: 20240421328
    Abstract: A power generation cell of a fuel cell stack is equipped with a tunnel part that connects a coolant supply passage and a coolant flow field to each other. The tunnel part includes a first protrusion protruding from the first metal separator toward the resin frame member, and a first placement portion including a first seal placement surface on which the first resin seal member is disposed. The first seal placement surface is positioned in an opposite direction, with respect to the resin frame member, compared with a first end surface of the first protrusion in a protruding direction.
    Type: Application
    Filed: April 17, 2024
    Publication date: December 19, 2024
    Inventors: Satoshi OYAMA, Takuro OKUBO, Yukihito TANAKA, Fumiya ARAI, Keisuke ANDO, Natsumi IIZUKA, Yutaka EBATO
  • Publication number: 20240332587
    Abstract: In power generation cells of a fuel cell stack, a first sealing portion of a first metal separator is an elastically deformable metal sealing portion protruding from the first metal separator in a direction away from a membrane electrode assembly, a second sealing portion of a second metal separator is an elastically deformable resin seal member attached to a surface of the second metal separator that is opposite to a surface facing the membrane electrode assembly, and the resin seal member is in contact with the metal sealing portion.
    Type: Application
    Filed: February 27, 2024
    Publication date: October 3, 2024
    Inventors: Fumiya ARAI, Yukihito TANAKA, Satoshi OYAMA, Keisuke ANDO, Yutaka EBATO, Natsumi IIZUKA, Takuro OKUBO
  • Patent number: 12046783
    Abstract: A leak inspection method and a leak inspection apparatus for a fuel cell stack, in which a plurality of fuel cells are stacked, each having an electrode member and a pair of separators sandwiching the electrode member therebetween, and seal members provided on an outer peripheral portion of each of the separators, wherein a first leak inspection is performed by applying a fastening load which is a load applied to the fuel cell stack at a time of product shipment, and a second leak inspection is performed by applying to the fuel cell stack a second load which is lower than the fastening load.
    Type: Grant
    Filed: February 27, 2022
    Date of Patent: July 23, 2024
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yutaka Ebato, Takaaki Mitsuoka, Satoshi Oyama
  • Publication number: 20240243302
    Abstract: A power generation cell of a fuel cell stack includes a resin-framed membrane electrode assembly, a first separator, and a second separator. A second gas flow field for allowing a reactant gas to flow along an electrode surface of the membrane electrode assembly is formed on the second separator, and a first connection flow path in communication with an oxygen-containing gas supply passage is formed on the first separator, and a first through-hole connecting the second gas flow field and the first connection flow path to each other is formed in the frame member.
    Type: Application
    Filed: January 8, 2024
    Publication date: July 18, 2024
    Inventors: Satoshi OYAMA, Takuro OKUBO, Yukihito TANAKA, Keisuke ANDO, Yutaka EBATO, Natsumi IIZUKA
  • Publication number: 20240238900
    Abstract: Provided is a manufacturing method of a fuel cell separator and a fuel cell separator that can prevent a reduction of a sealing property. The manufacturing method of the fuel cell separator includes an overlaying step of overlaying a first metal separator and a second metal separator together, the first metal separator and the second metal separator each including a flat portion and a bead portion protruding from the flat portion, a welding step of welding along the bead portion overlaid flat portions, and in the welding step, a weld meeting point where welded portions meet is formed at an area which is away from the bead portion and/or which is to be a high stiffness part with a high stiffness on a welding path.
    Type: Application
    Filed: March 9, 2022
    Publication date: July 18, 2024
    Inventors: Kento SUZUKI, Masaki KANEKO, Takuro OKUBO, Satoshi OYAMA, Akihito GIGA
  • Patent number: 12028498
    Abstract: A group management device includes a required information acquisition unit, a supplement instruction unit, a mounting information acquisition unit, and a group update unit. The required information acquisition unit acquires information showing required groups that are groups determined to require supplements of the consumables used in image forming devices that are managed per group. The supplement instruction unit performs a supplement instruction of the consumables for the required groups. The mounting information acquisition unit acquires mounting information showing the image forming device mounted with the consumable supplemented in response to the supplement instruction.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: July 2, 2024
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Tatsuya Inagi, Shigeki Yamaguchi, Satoshi Oyama, Takumi Fujita
  • Publication number: 20240212928
    Abstract: Provided are a permanent magnet recovery device that make it possible to recover a permanent magnet from a permanent magnet holder through microwave heating, while preventing uneven heating inside the permanent magnet holder even in a case where a resin material having a low microwave absorption rate is used as an adhesive in the permanent magnet holder. A permanent magnet recovery device includes: a heat treatment furnace that accommodates a permanent magnet holder including a laminated steel sheet having an insulating film and a permanent magnet attached to the laminated steel sheet via a resin material, the permanent magnet holder having heat insulators attached thereto in such a manner that the heat insulators are in contact at least with the resin material in opposite end portions of the permanent magnet holder in a lamination direction of the laminated steel sheet; and a microwave generator that emits microwaves into the heat treatment furnace.
    Type: Application
    Filed: October 23, 2023
    Publication date: June 27, 2024
    Inventors: Satoshi OYAMA, Katsuya YAMAICHI
  • Publication number: 20240205340
    Abstract: A maintenance support system includes a network interface, a memory, and a processor configured to, upon receipt of first information indicating a status of a first apparatus via the network interface, store the first information in the memory, upon receipt of second information indicating a status of a second apparatus via the network interface, store the second information in the memory, and determine a priority of on-site maintenance between the first and second apparatuses based on the first and second information stored in the memory.
    Type: Application
    Filed: February 27, 2024
    Publication date: June 20, 2024
    Inventors: Sou MIYAZAKI, Hiroyo TANAKA, Kazuhiro OGURA, Masaki NARAHASHI, Satoshi OYAMA
  • Publication number: 20240204217
    Abstract: Bead seals of separators are compressed by applying a fastening load in a stacking direction to a stack body that includes a plurality of unit cells in a fuel cell stack. A height of the bead seals in the stacking direction after compression is lower than a height of the bead seals in the stacking direction before the compression, and a height of the feed ridge in the stacking direction is lower than the height of the bead seals in the stacking direction after the compression.
    Type: Application
    Filed: December 8, 2023
    Publication date: June 20, 2024
    Inventors: Suguru OMORI, Yuta SUGIHARA, Satoshi OYAMA
  • Patent number: 12009561
    Abstract: A method of producing the fuel cell stack, including: a stacking step of stacking a plurality of power generation cells each including a membrane electrode assembly, a pair of separator plates sandwiching the membrane electrode assembly, and a seal member; and a compressing step of applying a compression load to the plurality of power generation cells stacked. In the compressing step, the compression load is applied in a manner that the membrane electrode assembly is plastically deformed, without exceeding an elastic limit of the seal member.
    Type: Grant
    Filed: February 20, 2023
    Date of Patent: June 11, 2024
    Assignee: Honda Motor Co., Ltd.
    Inventors: Yutaka Ebato, Satoshi Oyama, Takaaki Mitsuoka
  • Publication number: 20240106958
    Abstract: A group management device includes a required information acquisition unit, a supplement instruction unit, a mounting information acquisition unit, and a group update unit. The required information acquisition unit acquires information showing required groups that are groups determined to require supplements of the consumables used in image forming devices that are managed per group. The supplement instruction unit performs a supplement instruction of the consumables for the required groups. The mounting information acquisition unit acquires mounting information showing the image forming device mounted with the consumable supplemented in response to the supplement instruction.
    Type: Application
    Filed: September 26, 2022
    Publication date: March 28, 2024
    Inventors: Tatsuya Inagi, Shigeki Yamaguchi, Satoshi Oyama, Takumi Fujita
  • Patent number: 11943414
    Abstract: An image processing apparatus includes a display device and a processor. The processor is configured to generate a first screen for display on the display device and on which one of a plurality of malfunctioning part candidates of the image processing apparatus and one of a plurality of timings at which a particular sound was output by the image processing apparatus that malfunctioned, are selectable, when a first malfunctioning part candidate and a first timing are selected on the first screen, generate a second screen for display on the display device and on which one or more reference sounds corresponding to the particular sound are selectable, and when one of the reference sounds is selected on the second screen, generate error information indicating the first malfunctioning part candidate and the selected reference sound.
    Type: Grant
    Filed: April 13, 2023
    Date of Patent: March 26, 2024
    Assignee: Toshiba Tec Kabushiki Kaisha
    Inventors: Sou Miyazaki, Hiroyo Tanaka, Kazuhiro Ogura, Masaki Narahashi, Satoshi Oyama, Tatsuya Inagi
  • Patent number: 11943398
    Abstract: A maintenance support system includes a network interface, a memory, and a processor configured to, upon receipt of first information indicating a status of a first apparatus via the network interface, store the first information in the memory, upon receipt of second information indicating a status of a second apparatus via the network interface, store the second information in the memory, and determine a priority of on-site maintenance between the first and second apparatuses based on the first and second information stored in the memory.
    Type: Grant
    Filed: April 27, 2023
    Date of Patent: March 26, 2024
    Assignee: Toshiba Tec Kabushiki Kaisha
    Inventors: Sou Miyazaki, Hiroyo Tanaka, Kazuhiro Ogura, Masaki Narahashi, Satoshi Oyama
  • Publication number: 20240042515
    Abstract: A continuous casting method of steel of continuously casting a slab by using a vertical liquid bending type continuous casting machine. The method includes, while performing continuous casting by using an in-mold electromagnetic stirring device, applying an alternating-current moving magnetic field that moves in a width direction of a mold to molten steel inside the mold, inducing a swirling flow in the molten steel, and stirring the molten steel. A travel speed of the alternating-current moving magnetic field calculated by a specified formula is in a range of 0.20 to 1.50 m/s.
    Type: Application
    Filed: November 29, 2021
    Publication date: February 8, 2024
    Applicant: JFE STEEL CORPORATION
    Inventors: Naoya SHIBUTA, Satoshi OYAMA, Yoshiyuki TANAKA, Akitoshi MATSUI
  • Patent number: 11870956
    Abstract: An image forming apparatus includes a display device, an input device, a storage, and a communication circuit. The display device is configured to display at least one image for display. The input device is configured to detect a user's selection of an image for display in the at least one image for display and to detect an input, to a drawing region of the display device, of a drawing by a user indicating an image quality abnormality with respect to a target image corresponding to the selected image for display. The storage is configured to store drawing information based on the input of the drawing via the input device and to store estimation abnormality information related to the drawing information. The communication circuit is configured to output the drawing information, which can be used for servicing the image forming apparatus, to a server.
    Type: Grant
    Filed: September 26, 2022
    Date of Patent: January 9, 2024
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Haru Hikita, Sou Miyazaki, Hiroyo Tanaka, Kazuhiro Ogura, Satoshi Oyama, Tatsuya Inagi, Masaki Narahashi
  • Publication number: 20240007568
    Abstract: There are provided an image processing device and an image processing method capable of efficiently specifying an abnormal sound in case of the occurrence of malfunction that is an important element to clarify the cause of the malfunction. The image processing device includes acquisition means, playing means, changing means, and determination means. The acquisition means acquires a plurality of kinds of sound data indicating sounds different from each other. The playing means plays one kind of sound data from the sound data. The changing means changes the one sound data to another kind of sound data. The determination means determines one kind of sound data from the sound data.
    Type: Application
    Filed: September 15, 2023
    Publication date: January 4, 2024
    Inventors: Sou Miyazaki, Masaki Narahashi, Satoshi Oyama, Haru Hikita
  • Patent number: 11843138
    Abstract: A first outer peripheral seal in a first metal separator of a fuel cell stack includes a first peripheral metal bead. A first bypass stopper is provided in a space between a first end ridge and a first outer peripheral seal. The first bypass stopper prevents bypassing of an oxygen-containing gas by blocking part of the space. A gap is provided between the first bypass stopper and the first metal bead of a first outer peripheral seal. The gap separates the first bypass stopper from the first metal bead.
    Type: Grant
    Filed: June 28, 2021
    Date of Patent: December 12, 2023
    Assignee: Honda Motor Co., Ltd.
    Inventors: Suguru Ohmori, Takuro Okubo, Satoshi Oyama
  • Patent number: 11800020
    Abstract: There are provided an image processing device and an image processing method capable of efficiently specifying an abnormal sound in case of the occurrence of malfunction that is an important element to clarify the cause of the malfunction. The image processing device includes acquisition means, playing means, changing means, and determination means. The acquisition means acquires a plurality of kinds of sound data indicating sounds different from each other. The playing means plays one kind of sound data from the sound data. The changing means changes the one sound data to another kind of sound data. The determination means determines one kind of sound data from the sound data.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: October 24, 2023
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventors: Sou Miyazaki, Masaki Narahashi, Satoshi Oyama, Haru Hikita
  • Publication number: 20230319199
    Abstract: A maintenance support system includes a network interface, a memory, and a processor configured to, upon receipt of first information indicating a status of a first apparatus via the network interface, store the first information in the memory, upon receipt of second information indicating a status of a second apparatus via the network interface, store the second information in the memory, and determine a priority of onsite maintenance between the first and second apparatuses based on the first and second information stored in the memory.
    Type: Application
    Filed: April 27, 2023
    Publication date: October 5, 2023
    Inventors: Sou MIYAZAKI, Hiroyo TANAKA, Kazuhiro OGURA, Masaki NARAHASHI, Satoshi OYAMA