Patents Assigned to The Furukawa Electric Co., Ltd.
  • Patent number: 11415373
    Abstract: Provided is a heat pipe which is installed in a cold region in a bottom heat posture in which a longitudinal direction of a container is substantially in parallel with a gravitational direction, is capable of preventing the container from deforming even when a working fluid has become frozen, and has excellent heat transport properties.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: August 16, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yoshikatsu Inagaki, Hirofumi Aoki, Kazuya Takahashi, Shinichi Ito, Shuta Hikichi
  • Publication number: 20220249865
    Abstract: A pulse application method includes: setting a wavelength of light within a range in which a temperature rise width of collagen fibers in living tissue when the light is applied to the living tissue is larger than a temperature rise width of water containing cells that are contained in the living tissue and that are present around the collagen fibers; and applying a pulse of light with the set wavelength to the living tissue to heat the living tissue.
    Type: Application
    Filed: April 28, 2022
    Publication date: August 11, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Emiyu OGAWA, Tsunenori ARAI, Shunichi MATSUSHITA, Kazutaka NARA, Kyosuke YAMAUCHI
  • Patent number: 11410787
    Abstract: The present invention provides a movable cable, which has strength that is at least equal to conventional movable cables while having excellent flexural fatigue resistance and flexibility as well as being lightweight. This movable cable 10 has an electric conductor therein. The conductor comprises a first conductor 2 made of a specific aluminum alloy material wherein: the alloy composition contains, in mass %, 0.05-1.8% Mg, 0.01-2.0% Si, 0.01-1.5% Fe, and at least a total of 0.00-2.00% of one element selected from the group consisting of Cu, Ag, Zn, Ni, Co, Au, Mn, Cr, V, Zr, Ti and Sn, the balance being Al and unavoidable impurities; the crystal grains have a fiber-like metal structure in which the crystal grains all extend in one direction; and in a cross-section parallel to the one direction, the average crystal grain dimension perpendicular to the longitudinal direction is 400 nm or less.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: August 9, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Akiyoshi Araki, Hiroshi Kaneko, Yoshiaki Ogiwara
  • Patent number: 11402046
    Abstract: A ring member is disposed on a ring member mounting position. The ring member mounting position is a region between a pair of locking walls and is formed in a straight pipe shape. The ring member is in a substantially C shape with an opening at a part of its circumferential direction. The ring member may also be formed in a ring shape being connected at ring member joint parts. The ring member includes a reduced diameter part and first click parts protruding from the reduced diameter part substantially parallel in the pipe axial direction to form a slide guide. The ring member also includes second click parts of which outer diameters expand gradually from the reduced diameter part toward their tip ends. A male fitting part and a female fitting part are fitted with each other using the above ring member to obtain an electrical conduit.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: August 2, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yasuki Kimura, Satoshi Kozawa, Yuzo Nakajima
  • Patent number: 11404082
    Abstract: Provided is an aluminium alloy substrate for a magnetic disk, a method for fabricating the substrate, and a magnetic disk composed of the aluminium alloy substrate for a magnetic disk. The substrate contains an aluminium alloy composed of one or more elements selected from a group comprising 0.05 to 3.00 mass % (hereinafter abbreviated as “%”) of Fe, 0.05% to 3.00% of Mn, 0.05% to 18.00% of Si, 0.05% to 8.00% of Ni, 0.05% to 3.00% of Cr, and 0.05% to 3.00% of Zr, with a balance of Al and unavoidable impurities. The substrate has a Young modulus of 67 GPa or more in each of the 0° direction, 45° direction, and 90° direction relative to the rolling direction of the substrate.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: August 2, 2022
    Assignees: UACJ CORPORATION, FURUKAWA ELECTRIC CO., LTD.
    Inventors: Kotaro Kitawaki, Makoto Yonemitsu, Takashi Nakayama, Kimie Imakawa, Hideyuki Hatakeyama
  • Publication number: 20220229237
    Abstract: A reinforcing sleeve is a member for collectively reinforcing spliced portions of a plurality of optical fiber core wires disposed side by side. The reinforcing sleeve includes a heat-shrinkable tube, a heat-meltable member, a tension member, and so on. The heat shrinkable tube is a cylindrical member having an approximately circular cross section. The tension member and the heat-meltable member are inserted into the heat-shrinkable tube. The heat-meltable member is disposed on an upper part of the tension member. Also, an optical fiber dispersion portion is formed on a surface of the tension member on a side of the heat-meltable member in a cross section perpendicular to a longitudinal direction of the reinforcing sleeve. The optical fiber dispersion portion includes an inclined portion that is formed so as to separate away from the heat-meltable member as being closer to an end portion of a width direction in a cross section perpendicular to the longitudinal direction of the tension member.
    Type: Application
    Filed: January 19, 2022
    Publication date: July 21, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Tomohiro AKIYAMA, Akio TANABE
  • Publication number: 20220230777
    Abstract: A resin coated superconducting wire includes a matrix resin including a synthetic resin material, and a superconducting wire in the matrix resin. In a transverse cross section of the resin coated superconducting wire, a cross section area of the matrix resin is equal to or larger than the cross section area of the superconducting wire.
    Type: Application
    Filed: May 29, 2020
    Publication date: July 21, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hiroyuki FUKUSHIMA, Yonghoon KIM, Hideki II, Takumi SATO, Hirokazu TSUBOUCHI, Masahiro SUGIMOTO
  • Publication number: 20220231398
    Abstract: This housing unit is provided with: a first resin container that houses therein a wireless base station to which a cable is connected; and a second resin container that is disposed anterior or posterior to the first resin container in the direction in which the cable extends, and that has the interior thereof connected with the interior of the first resin container. The first resin container is provided with a drainage part comprising: a crown section that has a height position higher than a boundary portion and a boundary portion with the second resin container; and a curved surface and a curved surface where the height position becomes increasingly lower from the crown section towards the boundary portion and the boundary portion, and meanwhile, the second resin container has a drain-receiving part which has a height position lower than the boundary portion and the boundary portion, and which is for receiving drainage water from the drainage part.
    Type: Application
    Filed: April 5, 2022
    Publication date: July 21, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yuito MITSUHASHI, Hiroki HAMADA, Nobuhiko HATTORI, Taishi KAGIMOTO, Takahiro MOCHIZUKI
  • Publication number: 20220229236
    Abstract: A reinforcing sleeve is a member for collectively reinforcing spliced portions of a plurality of optical fiber core wires disposed side by side. The reinforcing member includes a heat-shrinkable tube, a heat-meltable member, a tension member, and so on. The heat shrinkable tube is a cylindrical member having an approximately circular cross section. The heat-meltable member, which is a first heat-meltable member, is in a cylindrical shape having an approximately circular or elliptical cross section. The tension member is a rod-shaped member. The tension member and the heat-meltable member are inserted into the heat-shrinkable member. A thick portion is provided at a substantially center portion of a width direction of the heat-meltable member.
    Type: Application
    Filed: January 19, 2022
    Publication date: July 21, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Tomohiro AKIYAMA, Ryuji TAKAOKA, Akio TANABE
  • Patent number: 11390724
    Abstract: A cellulose-fiber dispersion polyethylene resin composite material, formed by dispersing a cellulose fiber into a polyethylene resin, wherein a proportion of the cellulose fiber is 1 part by mass or more and 70 parts by mass or less in a total content of 100 parts by mass of the polyethylene resin and the cellulose fiber, and wherein water absorption ratio satisfies the following formula; and a formed body and a pellet using the same, a production method therefor, and a recycling method for a cellulose-fiber adhesion polyethylene thin film piece. (water absorption ratio)<(cellulose effective mass ratio)2×0.01??[Formula].
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: July 19, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Jirou Hiroishi, Hidekazu Hara, Yuka Sawada, Masami Tazuke, Toshihiro Suzuki, Shingo Mitsugi
  • Patent number: 11394162
    Abstract: A rotary connector device includes a fixed body, a rotation body, and a connector. The rotation body is rotatable about a rotation axis with respect to the fixed body. The rotation body is assembled to the fixed body in a manner to form a first space between the rotation body and the fixed body. The connector includes a second space. The connector includes a first opening and a second opening. One end of a first cable is connected to a first electrode provided in the second space. One end of a second cable is connected to a second electrode provided in the second space. The first cable passes through the first opening. The other end of the first cable is connected to the rotation body. The second cable passes through the second opening. The other end of the second cable is connected to the rotation body.
    Type: Grant
    Filed: March 31, 2021
    Date of Patent: July 19, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Yoshihiro Shiotani, Yoji Tajiri, Hayato Arakawa
  • Patent number: 11393621
    Abstract: A winding wire having a stranded wire formed by twisting a plurality of element wires whose a copper wire having a wire diameter of 0.05 to 0.5 mm and an extrusion coating layer coating the plurality of the element wires, wherein at least one of the element wires has a magnetic layer on an outer circumference of the copper wire, and the thickness of the extrusion coating layer is 40 to 400 ?m; as well as a coil and a transformer using the winding wire.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: July 19, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA MAGNET WIRE CO., LTD.
    Inventors: Hiroyuki Fukai, Isamu Kobayashi
  • Patent number: 11394161
    Abstract: A rotary connector device includes a fixed body, a rotation body, a connector, and an electrode. The connector is coupled to the fixed body and includes a second space and a cable cutting member in the second space which is in communication with the first space. The electrode is provided in the second space of the connector. An exposed conductor portion provided at one end of a cable is connected to the electrode. The cable extends from the second space to the first space. The other end of the cable is connected to the rotation body. The cable cutting member is configured to cut the cable before the exposed conductor portion connected to the electrode of the connector is disconnected when the cable is pulled due to rotation of the rotation body.
    Type: Grant
    Filed: March 26, 2021
    Date of Patent: July 19, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Yoshihiro Shiotani, Yoji Tajiri, Hayato Arakawa
  • Patent number: 11390723
    Abstract: A cellulose-aluminum-dispersing polyethylene resin composite material, in which a cellulose fiber and aluminum are dispersed into a polyethylene resin, wherein a proportion of the cellulose fiber is 1 part by mass or more and 70 parts by mass or less in a total content of 100 parts by mass of the polyethylene resin, and the cellulose fiber, and wherein water absorption ratio of the composite material satisfies the following formula: (Water absorption ratio)<(cellulose effective mass ratio)2×0.01;??[Formula]: a pellet and a formed body using the composite material, and a method of producing these.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: July 19, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hidekazu Hara, Yuka Sawada, Jirou Hiroishi, Masami Tazuke, Toshihiro Suzuki, Shingo Mitsugi
  • Patent number: 11387581
    Abstract: The present disclosure relates to an electric wire connection structure including one or more copper-based conductor covered electric wires having a copper-based conductor covered part and exposed part; and one or more aluminum-based conductor covered electric wires having an aluminum-based conductor covered part and exposed part. An ultrasonic joint part is provided at a conductor stacked part in which the copper-based conductor exposed part and the aluminum-based conductor exposed part are superposed. A total contacting length L which is a summed length of a part at which the copper-based conductor exposed part and the aluminum-based conductor exposed part contact and a summed length x of a contour line of a space S formed at a part at which the copper-based conductor exposed part and the aluminum-based conductor exposed part are separate in a joint interface of the ultrasonic joint part satisfy a relational expression of (x/L)×100?10% based on cross-section observation.
    Type: Grant
    Filed: December 19, 2019
    Date of Patent: July 12, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Sho Yoshida, Akira Tachibana, Kengo Mitose
  • Patent number: 11378684
    Abstract: Provided is a radar device including: a transmission circuit that transmits a first transmission signal and a second transmission signal which have frequencies different from each other; a reception circuit that receives the first transmission signal and the second transmission signal which are reflected by one or a plurality of objects as a first reception signal and a second reception signal, a processor, and a memory that stores a command group executable by the processor.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: July 5, 2022
    Assignees: FURUKAWA ELECTRIC CO., LTD., FURUKAWA AUTOMOTIVE SYSTEMS INC.
    Inventors: Hajime Namiki, Hiroyuki Kobayashi, Eisuke Otani
  • Patent number: 11378735
    Abstract: A multi-core fiber includes: plural cores made of silica-based glass; and a cladding enclosing the plural cores and made of silica-based glass, the cladding having a refractive index lower than a maximum refractive index of the plural cores. Further, the multi-core fiber has a mode field diameter of 5.0 ?m or larger at a wavelength of 1100 nm, the multi-core fiber provides single-mode propagation at the wavelength of 1100 nm, the multi-core fiber has a bending loss of 1 dB/turn or less at the wavelength of 1100 nm when the multi-core fiber is bent at a radius of 2 mm, and the multi-core fiber has a crosstalk between cores of ?30 dB/km or less.
    Type: Grant
    Filed: March 5, 2021
    Date of Patent: July 5, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masanori Takahashi, Ryuichi Sugizaki, Masayoshi Tsukamoto
  • Publication number: 20220206215
    Abstract: An optical fiber includes: a core portion made of glass; and a cladding portion made of glass, having a refractive index lower than the refractive index of the core portion, and positioned on an outer periphery of the core portion. Further, the cladding portion has an outer diameter smaller than 100 ?m, and the core portion has a relative refractive-index difference of 0.32% to 0.40% with respect to the cladding portion.
    Type: Application
    Filed: March 18, 2022
    Publication date: June 30, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventor: Kazunori MUKASA
  • Patent number: 11367993
    Abstract: A lid portion, that is mounted on a package that houses an optical isolator at a certain position, includes: a main body portion that is in contact with an upper end portion of a sidewall of the package; and a thick portion that is provided on a lower surface of the main body portion and determines a position of the lid portion with respect to the package. Further, the thick portion is provided on the lower surface other than a lower surface region of the main body portion, the lower surface region being directly above the optical isolator housed in the package when the lid portion is mounted on the package.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: June 21, 2022
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Yusuke Inaba, Maiko Ariga, Kazuki Yamaoka
  • Publication number: 20220186095
    Abstract: A transparent adhesive composition including an epoxy resin (A), an epoxy resin-curing agent (B), and a phenoxy resin (C), wherein the epoxy resin-curing agent (B) satisfies the following (1) and (2): (1) the epoxy resin-curing agent (B) is in a powdery form and has a particle diameter (d90) at 90% cumulative distribution frequency of 2.0 ?m or less; and (2) the epoxy resin-curing agent (B) has solubility in 100 g of methyl ethyl ketone at 25° C. of 0.1 g or less; a film-shaped transparent adhesive processed therefrom; a method of producing a transparent adhesive cured layer-attached member by using the film-shaped transparent adhesive; a method of producing an electronic component; and an electronic component.
    Type: Application
    Filed: March 3, 2022
    Publication date: June 16, 2022
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Minoru MORITA, Koyuki SAKAI, Keita WATAHIKI