Patents by Inventor Detian Huang

Detian Huang 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).

  • Publication number: 20210249149
    Abstract: Improvement of a strength of a copper alloy wire and improvement of an electrical conductivity of the same are both achieved. A copper alloy wire is made of a copper alloy, and the copper alloy contains indium, a content of which is equal to or more than 0.3 mass % and equal to or less than 0.45 mass %. A tensile strength of the copper alloy wire is equal to or higher than 800 MPa, and an electrical conductivity of the same is equal to or higher than 80% IACS.
    Type: Application
    Filed: February 1, 2021
    Publication date: August 12, 2021
    Inventors: Hiromitsu Kuroda, Takashi Hayasaka, Detian Huang, Ryohei Okada, Tamotsu Sakurai
  • Patent number: 11049630
    Abstract: A multicore cable is composed of a bunched core composed of a plurality of electric wires laid together, each including a conductor, and an electrical insulating member provided over a periphery of the conductor, an abrasion suppressing layer configured as a taping member helically wrapped around a periphery of the bunched core, a shielding layer composed of a braided shield provided over an outer periphery of the abrasion suppressing layer, and a sheath provided over a periphery of the shielding layer. An opposite surface of the taping member constituting the abrasion suppressing layer to the bunched core and an opposite surface of the taping member constituting the abrasion suppressing layer to the shielding layer are composed of a fluoropolymer resin. The taping member constituting the abrasion suppressing layer is non-adhesively lap wound in such a manner as to partially overlap itself in a width direction thereof.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: June 29, 2021
    Assignee: HITACHI METALS, LTD.
    Inventors: Detian Huang, Yoshinori Tsukamoto, Masanori Kobayashi, Masashi Moriyama
  • Patent number: 11037702
    Abstract: A high frequency cable includes a center conductor comprising one first wire, which is located at the center of the center conductor, and a plurality of second wires, which are located around that one first wire, and the one first wire and the plurality of second wires are stranded together. Respective outer peripheral surfaces of the plurality of second wires constitute a substantially continuous circular peripheral surface as an outer peripheral surface of the center conductor.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: June 15, 2021
    Assignee: HITACHI METALS, LTD.
    Inventors: Detian Huang, Masashi Moriyama
  • Publication number: 20210151221
    Abstract: A multicore cable is composed of a bunched core composed of a plurality of electric wires laid together, each including a conductor, and an electrical insulating member provided over a periphery of the conductor, an abrasion suppressing layer configured as a taping member helically wrapped around a periphery of the bunched core, a shielding layer composed of a braided shield provided over an outer periphery of the abrasion suppressing layer, and a sheath provided over a periphery of the shielding layer. An opposite surface of the taping member constituting the abrasion suppressing layer to the bunched core and an opposite surface of the taping member constituting the abrasion suppressing layer to the shielding layer are composed of a fluoropolymer resin. The taping member constituting the abrasion suppressing layer is non-adhesively lap wound in such a manner as to partially overlap itself in a width direction thereof.
    Type: Application
    Filed: April 8, 2020
    Publication date: May 20, 2021
    Inventors: Detian HUANG, Yoshinori TSUKAMOTO, Masanori KOBAYASHI, Masashi MORIYAMA
  • Publication number: 20210151222
    Abstract: A high frequency signal transmission cable includes a conductor, an insulator provided over a periphery of the conductor, a plating layer provided over a periphery of the insulator, and a sheath provided over a periphery of the plating layer. A crack suppressing layer is provided between the insulator and the plating layer, in such a manner as to remain in contact with the insulator while being provided with the plating layer over an outer surface of that crack suppressing layer. The crack suppressing layer is composed of a resin film to suppress the occurrence of a cracking in the plating layer by bending while moving in a longitudinal direction of the cable relative to a bending of the insulator.
    Type: Application
    Filed: November 4, 2019
    Publication date: May 20, 2021
    Inventors: Detian Huang, Takanobu Watanabe, Kimika Kudo
  • Patent number: 11011286
    Abstract: A cable includes a plurality of electric wires, which are laid helically around a center of the cable and along a central axis of the cable, and a sheath provided to cover respective peripheries of the plurality of electric wires together. The sheath includes an inner layer sheath made of a urethane resin, and an outer layer sheath provided around an outer periphery of the inner layer sheath to protect the inner layer sheath. The cable may further include a core member at its center. The sheath may be composed of a single layer instead of plural layers.
    Type: Grant
    Filed: July 17, 2019
    Date of Patent: May 18, 2021
    Assignee: HITACHI METALS, LTD.
    Inventors: Detian Huang, Yoshinori Tsukamoto, Masanori Kobayashi, Masashi Moriyama, Isao Matsuoka
  • Patent number: 10991485
    Abstract: A coaxial cable includes an inner conductor; an insulator covering a circumference of the inner conductor; a shield layer covering a circumference of the insulator; and a sheath covering a circumference of the shield layer. The inner conductor is composed of first metal strands that are twisted each other in such a manner that a cross-sectional shape of the inner conductor is circular. The shield layer includes a winding shield layer including second metal strands spirally wound around the insulator, and a shield tape layer including a shield tape including a resin tape and a metal layer provided on one side of the resin tape, the shield tape being spirally wound around the winding shield layer with the metal layer being located inwardly radially in such a manner that the metal layer is being in contact with the winding shield layer.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: April 27, 2021
    Assignee: HITACHI METALS, LTD.
    Inventors: Detian Huang, Takanobu Watanabe, Kimika Kudo
  • Publication number: 20210065935
    Abstract: A coaxial cable includes an inner conductor; an insulator covering a circumference of the inner conductor; a shield layer covering a circumference of the insulator; and a sheath covering a circumference of the shield layer. The inner conductor is composed of first metal strands that are twisted each other in such a manner that a cross-sectional shape of the inner conductor is circular. The shield layer includes a winding shield layer including second metal strands spirally wound around the insulator, and a shield tape layer including a shield tape including a resin tape and a metal layer provided on one side of the resin tape, the shield tape being spirally wound around the winding shield layer with the metal layer being located inwardly radially in such a manner that the metal layer is being in contact with the winding shield layer.
    Type: Application
    Filed: August 21, 2020
    Publication date: March 4, 2021
    Inventors: Detian Huang, Takanobu Watanabe, Kimika Kudo
  • Patent number: 10930416
    Abstract: A coaxial cable includes a central conductor, a plurality of insulating twisted threads or insulation strings wound therearound, each insulating twisted thread including a plurality of insulating strings twisted together, a cover layer provided around the insulating twisted threads or the insulation strings to form a gap to the insulating twisted threads or the insulation strings, and an outer conductor and a jacket provided on the outer periphery of the cover layer.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: February 23, 2021
    Assignee: HITACHI METALS, LTD.
    Inventors: Takanobu Watanabe, Detian Huang, Kimika Kudo, Haruyuki Watanabe
  • Publication number: 20210043338
    Abstract: A high frequency signal transmission cable includes a conductor, an insulator provided over a periphery of the conductor, a plating layer provided over a periphery of the insulator, and a sheath provided over a periphery of the plating layer. A crack suppressing layer includes a non-cross-linked polyethylene is provided between the insulator and the plating layer, in such a manner as to remain in contact with the insulator while being provided with the plating layer over an entire periphery of a roughened outer surface of the crack suppressing layer. The crack suppressing layer is unadhered to the insulator. The plating layer is adhered to the crack suppressing layer. The crack suppressing layer suppresses an occurrence of a cracking in the plating layer by bending together with the plating layer while being integral and moving with the plating layer in a longitudinal direction of the cable.
    Type: Application
    Filed: October 23, 2020
    Publication date: February 11, 2021
    Inventors: Detian HUANG, Yoshinori TSUKAMOTO, Masashi MORIYAMA, Hideyuki SAGAWA, Takahiro SUGIYAMA
  • Patent number: 10900602
    Abstract: A cable includes a bush that accommodates a coil formed by helically winding a heat-transfer wire to have a heat dissipation function. The bush may include a resin material including a heat-transfer powder mixed therein. The heat-transfer wire may be configured to be connected to a heat source attached to the cable to receive heat from the heat source. The bush may include a smooth surface.
    Type: Grant
    Filed: September 29, 2017
    Date of Patent: January 26, 2021
    Assignee: HITACHI METALS, LTD.
    Inventors: Takanobu Watanabe, Detian Huang, Haruyuki Watanabe, Kimika Kudo
  • Publication number: 20210005351
    Abstract: A high frequency signal transmission cable includes a conductor, an insulator provided over a periphery of the conductor, a plating layer provided over a periphery of the insulator, and a sheath provided over a periphery of the plating layer. A crack suppressing layer is provided between the insulator and the plating layer, in such a manner as to remain in contact with the insulator while being provided with the plating layer over an outer surface of the crack suppressing layer. The crack suppressing layer suppresses the occurrence of a cracking in the plating layer by bending while moving in a longitudinal direction of the cable relative to a bending of the insulator.
    Type: Application
    Filed: October 8, 2019
    Publication date: January 7, 2021
    Inventors: Detian Huang, Yoshinori Tsukamoto, Masashi Moriyama, Hideyuki Sagawa, Takahiro Sugiyama
  • Patent number: 10867725
    Abstract: A high frequency signal transmission cable includes a conductor, an insulator provided over a periphery of the conductor, a plating layer provided over a periphery of the insulator, and a sheath provided over a periphery of the plating layer. A crack suppressing layer is provided between the insulator and the plating layer, in such a manner as to remain in contact with the insulator while being provided with the plating layer over an outer surface of the crack suppressing layer. The crack suppressing layer suppresses the occurrence of a cracking in the plating layer by bending while moving in a longitudinal direction of the cable relative to a bending of the insulator.
    Type: Grant
    Filed: October 8, 2019
    Date of Patent: December 15, 2020
    Assignee: HITACHI METALS, LTD.
    Inventors: Detian Huang, Yoshinori Tsukamoto, Masashi Moriyama, Hideyuki Sagawa, Takahiro Sugiyama
  • Patent number: 10818414
    Abstract: A movable part composite cable includes a plurality of power supply wires being designed for electric power supply, which respectively include a plurality of insulated electric wires being laid together and being covered by each covering member, the plurality of power supply wires being arranged in contact with each other on surfaces of their respective covering members, one or more signal wires being designed for signal transmission, each signal wire having an outer diameter smaller than an outer diameter of each power supply wire, and a jacket, which is being provided over an outer periphery of an aggregate including the plurality of power supply wires and the one or more signal wires that are laid together. The power supply wires and the signal wires are not in direct contact with each other, or the power supply wires and the signal wires are in direct contact with each other with a contact area therebetween being smaller than a contact area between the power supply wires.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: October 27, 2020
    Assignee: HITACHI METALS, LTD.
    Inventors: Detian Huang, Yoshinori Tsukamoto, Isao Matsuoka, Masanori Kobayashi, Masashi Moriyama
  • Patent number: 10763012
    Abstract: A shielded cable includes an inner conductor, an insulation covering an outer periphery of the inner conductor, and an outer conductor covering an outer periphery of the insulation. The outer conductor includes a first outer conductor covering the outer periphery of the insulation and including a served shield with first element wires spirally wound, and a second outer conductor covering an outer periphery of the first outer conductor and including a braided shield with second element wires braided.
    Type: Grant
    Filed: July 18, 2018
    Date of Patent: September 1, 2020
    Assignee: HITACHI METALS, LTD.
    Inventors: Haruyuki Watanabe, Detian Huang, Kazuhiro Aida, Masanori Kobayashi
  • Patent number: 10734137
    Abstract: A composite cable is composed of a power supply wire, which includes a twisted wire pair aggregate, which are being formed by laying a plurality of twisted wire pairs together, a plurality of coaxial wires, and a plurality of signal wires, which are each smaller in outer diameter than the power supply wire and the plurality of coaxial wires. The plurality of coaxial wires and the plurality of signal wires are being laid helically over an outer periphery of the power supply wire, and each of the plurality of coaxial wires is being arranged in contact with an outer periphery of the power supply wire, and is being arranged at equally spaced intervals in a circumferential direction of the power supply wire, while each of the plurality of signal wires is being arranged in such a manner as to remain separate from the power supply wire.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: August 4, 2020
    Assignee: Hitachi Metals, Ltd.
    Inventors: Detian Huang, Yoshinori Tsukamoto, Masanori Kobayashi, Isao Matsuoka, Masashi Moriyama
  • Patent number: 10720258
    Abstract: A method for manufacturing a conductive wire includes conducting a continuous casting of a conductive alloy material at a casting rate of not less than 40 mm/min and not more than 200 mm/min to form a conductive wire with a primary diameter, the conductive alloy material containing not more than 1.0 mass % of an added metal element, reducing a diameter of the conductive wire with the primary diameter to form a conductive wire with a secondary diameter, heat treating the conductive wire with the secondary diameter so that tensile strength thereof is reduced to not less than 90% and less than 100% of tensile strength before the heat treating, and reducing a diameter of the conductive wire with the secondary diameter and the reduced tensile strength to generate a logarithmic strain of 7.8 to 12.0 therein to form a conductive wire with a tertiary diameter.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: July 21, 2020
    Assignee: HITACHI METALS, LTD.
    Inventors: Seigi Aoyama, Toru Sumi, Takashi Hayasaka, Ryohei Okada, Detian Huang, Tamotsu Sakurai, Satoshi Yajima, Minoru Takatsuto, Hiroshi Bando
  • Publication number: 20200211738
    Abstract: A coaxial cable includes a central conductor, a plurality of insulating twisted threads or insulation strings wound therearound, each insulating twisted thread including a plurality of insulating strings twisted together, a cover layer provided around the insulating twisted threads or the insulation strings to form a gap to the insulating twisted threads or the insulation strings, and an outer conductor and a jacket provided on the outer periphery of the cover layer.
    Type: Application
    Filed: March 11, 2020
    Publication date: July 2, 2020
    Inventors: Takanobu WATANABE, Detian HUANG, Kimika KUDO, Haruyuki WATANABE
  • Publication number: 20200185125
    Abstract: A cable includes a plurality of electric wires, which are laid helically around a center of the cable and along a central axis of the cable, and a sheath provided to cover respective peripheries of the plurality of electric wires together. The sheath includes an inner layer sheath made of a urethane resin, and an outer layer sheath provided around an outer periphery of the inner layer sheath to protect the inner layer sheath. The cable may further include a core member at its center. The sheath may be composed of a single layer instead of plural layers.
    Type: Application
    Filed: July 17, 2019
    Publication date: June 11, 2020
    Inventors: Detian HUANG, Yoshinori TSUKAMOTO, Masanori KOBAYASHI, Masashi MORIYAMA, Isao MATSUOKA
  • Publication number: 20200168364
    Abstract: A movable part composite cable includes a plurality of power supply wires being designed for electric power supply, which respectively include a plurality of insulated electric wires being laid together and being covered by each covering member, the plurality of power supply wires being arranged in contact with each other on surfaces of their respective covering members, one or more signal wires being designed for signal transmission, each signal wire having an outer diameter smaller than an outer diameter of each power supply wire, and a jacket, which is being provided over an outer periphery of an aggregate including the plurality of power supply wires and the one or more signal wires that are laid together. The power supply wires and the signal wires are not in direct contact with each other, or the power supply wires and the signal wires are in direct contact with each other with a contact area therebetween being smaller than a contact area between the power supply wires.
    Type: Application
    Filed: September 30, 2019
    Publication date: May 28, 2020
    Inventors: Detian HUANG, Yoshinori TSUKAMOTO, Isao MATSUOKA, Masanori KOBAYASHI, Masashi MORIYAMA