Patents by Inventor Hiroshi Sakai

Hiroshi Sakai 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: 12202552
    Abstract: A vehicle exterior member having a self-neutralizing function which can improve running characteristics and steering stability of a vehicle without impairing the design property has a fiber molded member containing a needle-punched nonwoven fabric or knitted fabric. The fibers constituting the fiber molded member contain a conductive fiber.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: January 21, 2025
    Assignees: HAYASHI TELEMPU CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Kensaku Sakai, Hiroshi Suzuki, Koushi Yamada, Motoi Iida, Masaru Shirota
  • Publication number: 20250021172
    Abstract: A pen-type controller includes a pen portion having a pen shape, a grip portion that intersects an axis direction of the pen portion, and a first light emitting part disposed at an end part of the grip portion, wherein the end part is closer to the axis of the pen portion than another end part of the grip portion.
    Type: Application
    Filed: September 27, 2024
    Publication date: January 16, 2025
    Inventors: Hiroshi MUNAKATA, Jun HASEGAWA, Futa IMATA, Hiroshi FUJIOKA, Yuta SATO, Kiyokazu SAKAI, Ryoichi KIKUCHI
  • Patent number: 12180555
    Abstract: A blast furnace operation method according to one aspect of the present invention includes: a process of acquiring a correlation between a carbon consumption in reducing gas and a reduction Input?C in specific carbon consumption caused by blowing the reducing gas into the blast furnace per molar ratio C/H of carbon atoms to hydrogen atoms in the reducing gas; a process of determining a carbon consumption in the reducing gas where the reduction Input?C in specific carbon consumption is a predetermined target value or higher on the basis of the correlation acquired per C/H; and a process of adjusting the amount of the reducing gas blown into the blast furnace on the basis of the determined carbon consumption in the reducing gas and the carbon proportion in the reducing gas.
    Type: Grant
    Filed: February 17, 2020
    Date of Patent: December 31, 2024
    Assignees: NIPPON STEEL CORPORATION;, JFE Steel Corporation, Kobe Steel, Ltd., NIPPON STEEL ENGINEERING CO., LTD.
    Inventors: Hiroshi Sakai, Koki Nishioka, Kaoru Nakano
  • Patent number: 12159148
    Abstract: The present invention includes a memory and a processor configured to store, in a storage, a first digital twin in which at least one model defining at least one function of an entity at a given time, and at least one piece of second data that includes, as a constituent element, first data for realizing the function of the entity due to being input to the model are included, create at least one second digital twin by performing predetermined first computation using, as a computation target, at least one first digital twin stored in the storage, and execute computation for arranging the second digital twin in a sandbox for which a predetermined time axis has been set, and realizing a function of an entity indicated by the second digital twin in the sandbox in accordance with the time axis.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: December 3, 2024
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Yasuhiro Iida, Ryutaro Kawamura, Masayuki Hanadate, Koya Mori, Takao Nakamura, Shigekuni Kondo, Yukio Koike, Hiroshi Ogawa, Hiroshi Sakai, Hiroyuki Tanaka
  • Publication number: 20240332629
    Abstract: The present invention provides a method for producing a solid electrolyte sheet with less surface roughness. The method for producing a solid electrolyte sheet according to the present invention comprises a step of applying a solid electrolyte-containing slurry to inside and upper part of a three-dimensional structure to form a second uncured product of the slurry; and a step of drying the second uncured product present inside and on the upper part of the three-dimensional structure to form a second solid electrolyte layer inside and on the upper part of the three-dimensional structure, so as to obtain a solid electrolyte sheet with the second solid electrolyte layer filling inside of the three-dimensional structure.
    Type: Application
    Filed: February 29, 2024
    Publication date: October 3, 2024
    Inventors: Takehiro Fukushima, Hiroshi Sakai, Sanshiro Sakamoto
  • Publication number: 20240322409
    Abstract: A battery module including a battery cell stack in which a plurality of battery cells is stacked, a container filled with a liquid and containing the battery cell stack, and a pressurizer for pressurizing the liquid that is filled in the container. The battery cells are solid-state battery cells. The battery cell stack is packaged with a packaging material. The liquid contains an oil and a heat-absorbing material. The heat-absorbing material has an endothermic reaction initiation temperature of 80° C. or greater and 190° C. or less.
    Type: Application
    Filed: February 23, 2024
    Publication date: September 26, 2024
    Inventors: Wataru SHIMIZU, Hiroshi SAKAI, Masataka FURUYAMA, Takafumi NAGAI, Wataru HOSHIKAWA
  • Publication number: 20240304961
    Abstract: A lithium secondary battery of the present invention comprises: a positive electrode comprising a positive electrode current collector and a positive electrode material mixture layer, a negative electrode comprising a negative electrode current collector and a lithium metal foil, and a separator, and further comprises a thermally deformable separator disposed in the vicinity of the positive electrode material mixture layer on the surface of the positive electrode current collector, and an extension portion that extends from the lithium metal foil so as to be in contact with the thermally deformable separator; the thermally deformable separator having a melting point of 80° C. or higher, which is equal to or lower than the melting point of lithium metal; and when a thermally deformable separator 31 thermally deforms, the extension portion comes into contact with the positive electrode current collector, resulting in a short circuit of the positive electrode and the negative electrode.
    Type: Application
    Filed: February 26, 2024
    Publication date: September 12, 2024
    Inventors: Hiroshi SAKAI, Hiroshi OGASA, Wataru SHIMIZU
  • Publication number: 20240287974
    Abstract: A linear motor for a compressor having asymmetric load characteristics in both directions of a stroke, improves the service life of a bearing, and reduces a total length of a system. The linear motor includes a movable element having a magnetic pole frame and a plurality of field element poles, and a plurality of magnetic pole teeth around which windings are wound and that are provided so as to sandwich the movable element, and the movable element and the magnetic pole teeth are relatively displaced. The plurality of field element poles include primary magnets arranged between the plurality of magnetic pole teeth and secondary magnets arranged externally relative to spaces between the plurality of magnetic pole teeth in either direction of the relative displacement. A neck part of the magnetic pole frame connected to a bearing is arranged externally in the other direction of the relative displacement direction.
    Type: Application
    Filed: May 18, 2022
    Publication date: August 29, 2024
    Applicant: Hitachi Astemo, Ltd.
    Inventors: Junnosuke NAKATSUGAWA, Masaki KOYAMA, Hiroshi SAKAI, Kan KOBAYASHI, Yoshinori KAWAI
  • Publication number: 20240167398
    Abstract: A sound reducing device (30) for an internal combustion engine (1, 101) comprises a chamber forming member (33) defining a sound reducing chamber (32) having a prescribed column length jointly with a belt cover, and the sound reducing chamber communicates with the belt chamber via an opening (31), and the opening opposes a part of a timing belt passed around the cam pulley.
    Type: Application
    Filed: November 13, 2023
    Publication date: May 23, 2024
    Inventors: Yuta URUSHIBARA, Hiroshi SAKAI, Tetsuya HIRAIDE, Tomohiko NOZAKI
  • Patent number: 11987698
    Abstract: The resin composition for plating of the present invention includes: a graft copolymer (A) in which a monomer component (a) including specific amounts of an aromatic vinyl compound (a1), a vinyl cyanide compound (a2), and another vinyl compound (a3) is graft-polymerized on a rubbery polymer; and a polycarbonate resin (P), wherein an amount of resin (P) is 40 to 70% by mass, based on a total mass of the resin composition, a rubber content (X) in copolymer (A) is more than 40% by mass, based on a total mass of copolymer (A), a graft ratio (Y) of copolymer (A) satisfies formula (1): 793e?0.041X?Y?515e?0.041X (1), and a rubber content (Z) in the resin composition is 10 to 18% by mass, based on a total mass of the resin composition.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: May 21, 2024
    Assignee: TECHNO-UMG CO., LTD.
    Inventors: Shinji Yamashita, Hiroshi Sakai, Hideichiro Kawaguchi
  • Patent number: 11933543
    Abstract: A heat sink includes: a container having a cavity inside and a first surface and a second surface opposite the first surface; a working fluid encapsulated in the cavity; and a steam flow path in the cavity where the working fluid in a gas phase flows, the first surface having a flat part and a protruding part projecting from the flat part in an external direction, causing the container to have a flat portion and a protruding portion projecting from the flat portion in the external direction, an inner space of the protruding portion of the container being in communication with an inner space of the flat portion, causing the cavity to be formed, and a first heat radiating fin being provided on an exterior of the flat part of the first surface and a second heat radiating fin being provided on an exterior of the second surface.
    Type: Grant
    Filed: October 21, 2022
    Date of Patent: March 19, 2024
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kenya Kawabata, Masahiro Meguro, Ryo Tsubata, Hirofumi Aoki, Yoshikatsu Inagaki, Hiroshi Sakai, Hideaki Kawabata
  • Publication number: 20230264489
    Abstract: A recording device includes a recording head including a nozzle row configured to discharge ink droplets that are to be cured when irradiated with light onto a recording medium, a drive unit configured to cause the recording head and the recording medium to move relative to each other, a plurality of irradiation parts configured to irradiate the recording medium with the light, a reception unit configured to receive an input of irradiation range data indicating an irradiation range of the light, and a control unit configured to control turning ON and OFF of the plurality of irradiation parts, to irradiate the recording medium with the light in accordance with the irradiation range, based on the irradiation range data.
    Type: Application
    Filed: February 21, 2023
    Publication date: August 24, 2023
    Inventors: Hiroshi SAKAI, Kazuya TOSHIMA, Masakazu OKAJIMA
  • Patent number: 11725883
    Abstract: Provided herein is an example heat sink including a heat dissipation unit including a plurality of heat dissipation fin groups including a plurality of heat dissipation fins, the plurality of heat dissipation fin groups forming a laminated structure and a plurality of heat pipes, one end portions of which are thermally connected to a heating element and other end portions of which are inserted into a space provided between the plurality of heat dissipation fin groups forming the laminated structure and thermally connected to the heat dissipation unit.
    Type: Grant
    Filed: October 28, 2022
    Date of Patent: August 15, 2023
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Yasuyuki Tochigi, Masahiro Meguro, Hiroshi Sakai, Kenya Kawabata
  • Publication number: 20230236148
    Abstract: To accurately detect the moving state of secondary atomic ions at the time of targeted voltage application and the moving state of secondary atomic ions due to diffusion. An ion movement measuring device includes a test specimen and a detector. The test specimen has a first electrode, a second electrode, and an electrolyte disposed between them. The first electrode and the second electrode each have a layer of an identical element, and have the identical potential in a state where no voltage is applied from outside the test specimen. At least the first electrode contains second atoms being isotopes of first atoms at an abundance ratio higher than a natural abundance ratio of the second atoms, the first atoms being present at a highest natural abundance ratio in the element. The detector detects some of ions of the first atoms and the second atoms, which are discharged from the electrolyte.
    Type: Application
    Filed: January 18, 2023
    Publication date: July 27, 2023
    Inventors: Tatsuya HATTORI, Yuji ISOGAI, Hideki SAKAI, Hiroshi SAKAI, Atsushi SAKURAI
  • Publication number: 20230106794
    Abstract: A heat sink includes: a container having a cavity inside and a first surface and a second surface opposite the first surface; a working fluid encapsulated in the cavity; and a steam flow path in the cavity where the working fluid in a gas phase flows, the first surface having a flat part and a protruding part projecting from the flat part in an external direction, causing the container to have a flat portion and a protruding portion projecting from the flat portion in the external direction, an inner space of the protruding portion of the container being in communication with an inner space of the flat portion, causing the cavity to be formed, and a first heat radiating fin being provided on an exterior of the flat part of the first surface and a second heat radiating fin being provided on an exterior of the second surface.
    Type: Application
    Filed: October 21, 2022
    Publication date: April 6, 2023
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kenya Kawabata, Masahiro Meguro, Ryo Tsubata, Hirofumi Aoki, Yoshikatsu Inagaki, Hiroshi Sakai, Hideaki Kawabata
  • Publication number: 20230102800
    Abstract: Provided herein is an example heat sink including a heat dissipation unit including a plurality of heat dissipation fin groups including a plurality of heat dissipation fins, the plurality of heat dissipation fin groups forming a laminated structure and a plurality of heat pipes, one end portions of which are thermally connected to a heating element and other end portions of which are inserted into a space provided between the plurality of heat dissipation fin groups forming the laminated structure and thermally connected to the heat dissipation unit.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 30, 2023
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Yasuyuki TOCHIGI, Masahiro MEGURO, Hiroshi SAKAI, Kenya KAWABATA
  • Patent number: 11567139
    Abstract: A diagnostic device for a secondary battery which is an all-solid-state battery containing a solid electrolyte transporting lithium ions, in which the diagnostic device includes: an interruption means configured to interrupt a charging current or a discharging current of the secondary battery connected to a circuit; a measuring means configured to measure over time a variation characteristic of a terminal voltage of the secondary battery after the current is interrupted by the interruption means; and a diagnostic means configured to diagnose the cause of the degradation of the secondary battery by comparing a change rate or a change amount in voltage between a charging characteristic specified from measured values of a terminal voltage of the secondary battery measured by the measuring means, a charging/discharging characteristic specified from the measured values of the terminal voltage measured by the measuring means, and a reference characteristic of the secondary battery.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: January 31, 2023
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Hiroshi Sakai, Pu Qian
  • Patent number: 11543189
    Abstract: Provided herein is an example heat sink including a heat dissipation unit including a plurality of heat dissipation fin groups including a plurality of heat dissipation fins, the plurality of heat dissipation fin groups forming a laminated structure and a plurality of heat pipes, one end portions of which are thermally connected to a heating element and other end portions of which are inserted into a space provided between the plurality of heat dissipation fin groups forming the laminated structure and thermally connected to the heat dissipation unit.
    Type: Grant
    Filed: July 21, 2020
    Date of Patent: January 3, 2023
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Yasuyuki Tochigi, Masahiro Meguro, Hiroshi Sakai, Kenya Kawabata
  • Publication number: 20220403477
    Abstract: According to a certain viewpoint of the present invention, there is provided a blast furnace operation method comprising blowing a high-concentration hydrogen-containing gas containing 80 mol % or more of hydrogen gas from a tuyere under: a condition in which a blowing temperature of the high-concentration hydrogen-containing gas is room temperature or higher and 300° C. or lower and a gas volume of the hydrogen gas in the high-concentration hydrogen-containing gas is 200 Nm3/t or more and 500 Nm3/t or less; a condition in which the blowing temperature of the high-concentration hydrogen-containing gas is higher than 300° C. and 600° C. or lower and the gas volume of the hydrogen gas in the high-concentration hydrogen-containing gas is 145 Nm3/t or more; a condition in which the blowing temperature of the high-concentration hydrogen-containing gas is higher than 600° C. and 900° C. or lower and the gas volume of the high-concentration hydrogen-containing gas is 125 Nm3/t or more, or the like.
    Type: Application
    Filed: November 27, 2020
    Publication date: December 22, 2022
    Applicants: NIPPON STEEL CORPORATION, JFE STEEL CORPORATION, KABUSHIKI KAISHA KOBE SEIKO SHO (KOBE STEEL, LTD.), NIPPON STEEL ENGINEERING CO., LTD.
    Inventors: Hiroshi SAKAI, Kaoru NAKANO
  • Patent number: 11529819
    Abstract: An object of the present invention is to provide a recording material or a recording sheet using, as a color-developing agent, a non-phenol-based compound good in color developing performance and the like. A compound represented by the following formula (I) is used as the color-developing agent: (wherein X represents CH2 or the like; R1 to R3 each independently represent a hydrogen atom, a halogen atom or the like; n1 and n3 each independently represent any integer of 1 to 5; two groups represented by R3 adjacent to each other on a benzene ring optionally bond to each other to form an optionally substituted 6-membered ring; and n2 represents any integer of 1 to 4).
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: December 20, 2022
    Assignee: NIPPON SODA CO., LTD.
    Inventors: Hiroshi Sakai, Kayoko Tada, Shuntaro Kinoshita