Patents Assigned to The Furukawa Electric Co., Ltd.
  • Publication number: 20240364032
    Abstract: An electrical contact material includes an electroconductive substrate, and a silver-containing layer including silver provided to at least part of a surface of the electroconductive substrate. An average KAM value of the silver-containing layer is 0.20° or more and 2.00° or less in a cross section of the electrical contact material.
    Type: Application
    Filed: March 10, 2023
    Publication date: October 31, 2024
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Yoshitane TORII, Shuichi KITAGAWA, Soki KUZUHARA
  • Publication number: 20240360577
    Abstract: The present disclosure provides a cathode electrode in which selectivity of hydrogen decreases and selectivity of a carbon dioxide reduction product increases in a catalytic reaction producing carbon monoxide, an olefinic hydrocarbon such as ethylene, and an alcohol such as ethanol by a reduction reaction of carbon dioxide. A cathode electrode that electrically reduces carbon dioxide, including: a first layer containing cuprous oxide, copper, and at least one additional metal element selected from the group consisting of silver, gold, zinc, cadmium, and tin; and a second layer formed on the first layer and containing a constituent element composed of at least one metal element selected from the group consisting of copper, silver, gold, zinc, cadmium, and tin.
    Type: Application
    Filed: July 11, 2024
    Publication date: October 31, 2024
    Applicants: FURUKAWA ELECTRIC CO., LTD., THE UNIVERSITY OF TOKYO, CHIYODA CORPORATION
    Inventors: Takahiro YAMAMOTO, Yu MIMURA, Kiyoshi YAMAMOTO, Masakazu SUGIYAMA, Tsutomu MINEGISHI, Jun MATSUMOTO, Dai TAKEDA
  • Patent number: 12129531
    Abstract: An aluminum alloy that has high yield strength enabling use as a substitute for iron- and copper-based metal materials, and has a constant break elongation even at narrow diameters. The aluminum alloy has an alloy composition containing 0.20-1.80 mass % of Mg, 0.20-2.00 mass % of Si, and 0.01-1.50 mass % of Fe, with a balance being Al and inevitable impurities. The aluminum alloy material has a fibrous metallic microstructure in which a plurality of crystal grains extend so as to be aligned in one direction, and in a cross section parallel to the one direction, an average value of a maximum dimension in a direction perpendicular to the longitudinal direction of a plurality of the crystal grains is no more than 400 nm, and viewing the cross section in a thickness direction, when observing at a central part, specific voids having a maximum dimension in a direction perpendicular to the longitudinal direction of no less than 1.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: October 29, 2024
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventor: Hiroshi Kaneko
  • Publication number: 20240356293
    Abstract: A rotary connector device includes a stator, a rotator, and a cable holder. The rotator includes a rotator-side connector detachably connectable to a harness connector provided to an end portion of a cable of a wire harness. The rotator is provided rotatably relative to the stator about a rotational axis. The cable holder is provided to the rotator to hold the cable in a state where the harness connector is connected to the rotator-side connector.
    Type: Application
    Filed: July 3, 2024
    Publication date: October 24, 2024
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Yoji TAJIRI, Yukihiro KAWAMURA, Yoshiyuki SUZUKI, Hayato ARAKAWA, Takahisa KAKUDO, Shinichi HAMASAKI
  • Publication number: 20240355357
    Abstract: A magnetic disk substrate having a pair of front and back principal surfaces, containing fixed portions that are in contact with fixing jigs when the magnetic disk substrate configured as a magnetic disk is incorporated in a hard disk device on the respective front and back principal surfaces, wherein a root mean square deviation Rq of surface roughnesses of the fixed portions on the respective front and back principal surfaces is from 0.01 to 0.44 ?m.; and a magnetic disk using the same.
    Type: Application
    Filed: June 28, 2024
    Publication date: October 24, 2024
    Applicants: FURUKAWA ELECTRIC CO., LTD., UACJ Corporation
    Inventors: Hideyuki HATAKEYAMA, Shimpei TODO, Kotaro KITAWAKI, Koichiro TAKIGUCHI
  • Publication number: 20240352289
    Abstract: A thermally conductive film adhesive composition including an epoxy resin (A), an epoxy resin curing agent (B), a polymer component (C), a polyhedral alumina filler (D), and a silane coupling agent (E), wherein a percentage of the polyhedral alumina filler (D) to a total content of the epoxy resin (A), the epoxy resin curing agent (B), the polymer component (C), the polyhedral alumina filler (D), and the silane coupling agent (E) is from 20 to 70 vol %, and wherein a blending multiple of the silane coupling agent is from 1.0 to 10; a film adhesive using the composition; a semiconductor package; and a producing method thereof.
    Type: Application
    Filed: June 27, 2024
    Publication date: October 24, 2024
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Minoru MORITA, Shunya OHBUCHI
  • Patent number: 12119137
    Abstract: A connection structure of high-temperature superconducting wires includes first and second superconducting wires which are high-temperature superconducting wires respectively having a base material consisting of metal or alloy, and an oxide superconducting layer formed on the base material. A joint portion containing a superconducting connection portion between the first and second superconducting wires joins the first and second superconducting wires in a positional relationship facing the surfaces of first and second superconducting layers which are the oxide superconducting layers of each of the first and second superconducting wires, are opposed to each other. In a base material of at least one superconducting wire among the first and second superconducting wires, a first portion constituting the joint portion is thicker than a second portion not constitute the joint portion in the same base material.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: October 15, 2024
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventor: Akinobu Nakai
  • Patent number: 12115594
    Abstract: A welding method includes: emitting laser beam toward a workpiece including a metal to melt and weld a part of the workpiece, the part being where the laser beam has been emitted to. Further, the laser beam includes a main power region and at least one auxiliary power region, a power of the main power region is larger than a power of each of the at least one auxiliary power region, and a ratio between the power of the main power region and the total of powers of the at least one auxiliary power region is in a range of 144:1 to 1:9.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: October 15, 2024
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Tomomichi Yasuoka, Takashi Kayahara, Ryosuke Nishii, Koji Kirikae, Keigo Matsunaga, Takashi Shigematsu
  • Patent number: 12116654
    Abstract: An aluminum alloy material which has high yield strength and excellent electric and thermal conductivity and can have a constant break elongation even when the aluminum alloy material has a small diameter. The aluminum alloy material has an alloy composition including 0.05 to 1.50 mass % of Fe, at least one of 0.01 to 0.15 mass % of Si, 0.01 to 0.30 mass % of Cu and 0.01 to 1.50 mass % of Mg, and a remainder made up by Al and unavoidable impurities, and has a fibrous metallic structure in which a plurality of crystal grains extend in line in one direction. The average value of maximum dimensions of the plurality of crystal grains in a direction perpendicular to the length direction is 800 nm or less in a cross section parallel to the aforementioned one direction, and there is no specific void of which the maximum dimension in a direction perpendicular to the length direction is 1.
    Type: Grant
    Filed: January 27, 2020
    Date of Patent: October 15, 2024
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventor: Hiroshi Kaneko
  • Patent number: 12115523
    Abstract: To provide a functional structural body that can realize a long life time by suppressing the decline in function of the functional substance and that can attempt to save resources without requiring a complicated replacement operation, and to provide a method for making the functional structural body. The functional structural body (1) includes a skeletal body (10) of a porous structure composed of a zeolite-type compound, and at least one functional substance (20) present in the skeletal body (10), the skeletal body (10) has channels (11) connecting with each other, and the functional substance is present at least in the channels (11) of the skeletal body (10).
    Type: Grant
    Filed: February 17, 2023
    Date of Patent: October 15, 2024
    Assignees: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.
    Inventors: Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa, Sadahiro Kato, Masayuki Fukushima, Kojiro Inamori, Hiroko Takahashi, Yuichiro Banba, Kaori Sekine
  • Patent number: 12117243
    Abstract: The disclosure provides a vapor chamber that has excellent fixing stability of a wick structure inside a container and also has excellent circulation properties for a liquid-phase working fluid due to excellent capillary force of the wick structure. The vapor chamber includes a container in which a cavity portion is formed by one plate-shaped body and another plate-shaped body facing the one plate-shaped body, a working fluid enclosed in the cavity portion, and a wick structure contained in the cavity portion and welded to the container so that a welded portion is formed in the wick structure.
    Type: Grant
    Filed: January 7, 2022
    Date of Patent: October 15, 2024
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Yoshikatsu Inagaki, Kenya Kawabata, Hirofumi Aoki
  • Publication number: 20240340085
    Abstract: An optical module includes: a modulator containing an InP-based semiconductor material, the modulator including a modulation signal providing unit configured to modulate input light; and an optical integrated circuit optically coupled to the modulator, the optical integrated circuit integrating a plurality of waveguides and a plurality of optical elements including a silicon-based semiconductor material. The optical integrated circuit is configured to output light passed through any one of the waveguides or any one of the optical elements to the modulator, receive modulation light generated by the modulator that modulates the light, and output the modulation light passed through any one of other waveguides or any one of other optical elements.
    Type: Application
    Filed: June 17, 2024
    Publication date: October 10, 2024
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kazuya NAGASHIMA, Masaki KOTOKU, Tatsuro KUROBE, Kazuaki KIYOTA, Maiko ARIGA, Atsushi IZAWA, Yozo ISHIKAWA
  • Patent number: 12109556
    Abstract: A functional structure which can suppress functional degradation of a functional material to achieve longer life, which can save resources without complicated replacement operations, and which, used for example as a catalyst, exhibits excellent catalytic activity. The functional structure includes supports each having a porous structure and including a zeolite-type compound, and at least one functional material present in the supports and including a metal element (M), in which each of the supports has channels communicating with one another, the functional material is present at least in the channel of each of the supports, and the metal element (M) having constituted the functional material is partially substituted with an element having constituted the supports.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: October 8, 2024
    Assignees: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuichiro Banba, Kaori Sekine, Yukako Nakai, Mai Nishii, Masayuki Fukushima, Sadahiro Kato, Hirokazu Sasaki, Shinsuke Nishida, Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa
  • Publication number: 20240326161
    Abstract: A method of welding a workpiece by using a laser is provided which includes disposing a workpiece in a region to be irradiated with laser light from a laser oscillator; and irradiating the workpiece with the laser light from the laser oscillator such that an irradiated portion of the workpiece is melted and welded while sweeping the laser light over the workpiece by relatively moving the laser light and the workpiece. The laser light is formed of a main beam and an auxiliary beam, at least part of the auxiliary beam being disposed anteriorly in a sweep direction, and the main beam has a power density equal to or greater than a power density of the auxiliary beam.
    Type: Application
    Filed: June 14, 2024
    Publication date: October 3, 2024
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Tomomichi YASUOKA, Takashi KAYAHARA, Toshiaki SAKAI, Ryosuke NISHII, Takashi SHIGEMATSU
  • Publication number: 20240332884
    Abstract: A light source includes: a seed light source configured to output incoherent seed light having a predetermined bandwidth; and a booster amplifier that is a semiconductor optical amplifier configured to optically amplify the seed light entered through a first end facet and output the amplified light through a second end facet. The booster amplifier has nL being set, which is a product of a refractive index n and a chip length L, so as to simultaneously suppress relative intensity noise (RIN) and ripple in the amplified light.
    Type: Application
    Filed: June 4, 2024
    Publication date: October 3, 2024
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Haruki OGOSHI, Junji YOSHIDA, Yusuke INABA, Tatsuya KIMOTO, Masaki FUNABASHI, Seiji ICHINO, Naoya HOJO, Shigehiro TAKASAKA, Ryuichi SUGIZAKI, Nitidet THUDSALINGKARNSAKUL, Sanguan ANANTATHANASARN
  • Publication number: 20240332891
    Abstract: An optical device includes: a first optical component configured to transmit light between a first end and a second end; a second optical component configured to either focus and couple the light to the first end or collimate the light emitted from the first end; and a transmissive component interposed between the first optical component and the second optical component and configured to transmit the light emitted from the first end or incident on the first end, and make a distance between the second optical component and the first end longer than in a case without the transmissive component.
    Type: Application
    Filed: June 10, 2024
    Publication date: October 3, 2024
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Ayato OKADA, Atsushi OGURI, Masaya NAKAZUMI, Naoki HAYAMIZU
  • Publication number: 20240332960
    Abstract: An electric power converter includes: a direct current electric power conversion unit connected to a direct current bus and configured to convert input electric power and output the converted electric power; a measurement unit configured to obtain a measured value of an electric characteristic value of the input electric power or the output electric power; a communication unit configured to perform communication with an external device and receive a reference function having a characteristic with a defined target value for an electric characteristic value according to an input value; a storage unit configured to store a standard reference function having a predetermined characteristic; and a control unit configured to control an electric power conversion characteristic of the electric power conversion unit based on a target value determined according to an input value, by voltage control corresponding to the characteristic, or by electric power control or electric current control.
    Type: Application
    Filed: June 14, 2024
    Publication date: October 3, 2024
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventor: Asuka ABE
  • Patent number: 12104124
    Abstract: An apparatus and method for producing hydrocarbons including aromatic hydrocarbons and lower olefins including propylene from CH4 and CO2 through CO and H2 with high activity and high selectivity.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: October 1, 2024
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuichiro Banba, Kaori Sekine, Yukako Nakai, Mai Nishii, Masayuki Fukushima, Sadahiro Kato, Takao Masuda, Yuta Nakasaka, Takuya Yoshikawa
  • Patent number: 12108570
    Abstract: The vapor chamber includes a container having a cavity formed of one plate-shaped body to which a heating element is thermally connected and another plate-shaped body facing the one plate-shaped body, a working fluid enclosed in the cavity, and a wick structure that is enclosed in the cavity and separated from the container. The container includes a support part protruding from an inner surface of the other plate-shaped body toward the one plate-shaped body, the support part being formed of a recessed part provided to an outer surface of the other plate-shaped body. At the rising base portion of the support part from the inner surface of the other plate-shaped body, the defined angle between the support part and the inner surface of the other plate-shaped body is an obtuse angle.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: October 1, 2024
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Yoshikatsu Inagaki, Kenya Kawabata, Hirofumi Aoki
  • Publication number: 20240321474
    Abstract: An electrical contact material includes an electroconductive substrate, and a silver-containing layer including silver provided to at least part of a surface of the electroconductive substrate. An average GOS value of the silver-containing layer is 1.00° or less and a proportion of KAM value of 1.00° or more in the silver-containing layer is 20% or more in a cross section of the electrical contact material.
    Type: Application
    Filed: March 10, 2023
    Publication date: September 26, 2024
    Applicants: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Yoshitane TORII, Shuichi KITAGAWA, Soki KUZUHARA