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).

  • Patent number: 11456091
    Abstract: A multi-core cable includes a heat detection line including a twisted pair wire composed of a pair of heat detecting wires being twisted together, each of which includes a first conductor and a first insulator covering a periphery of the first conductor, a plurality of electric wires spirally twisted around the heat detection line, each of which includes a second conductor and a second insulator covering a periphery of the second conductor, and a sheath covering the heat detection line and the plurality of electric wires together. A melting point of the first insulator is lower than a melting point of the second insulator. The second conductor has a shape in a cross-section perpendicular to a cable longitudinal direction in which a width along a circumferential direction is gradually increased from a radially inward portion to a radially outward portion.
    Type: Grant
    Filed: July 30, 2021
    Date of Patent: September 27, 2022
    Assignee: HITACHI METALS, LTD.
    Inventors: Detian Huang, Yoshinori Tsukamoto, Masashi Moriyama, Takahiro Sugiyama, Hiroshi Ishikawa, Hideki Nonen
  • Patent number: 11437692
    Abstract: A coaxial cable is composed of a conductor, an electrical insulating member covering a periphery of the conductor, a shield layer covering a periphery of the electrical insulating member, and a sheath covering a periphery of the shield layer. The shield layer is configured to include a lateral winding shielding portion with a plurality of metal wires being helically wrapped around the periphery of the electrical insulating member, and a batch plating portion made of a hot-dip plating covering respective peripheries of the lateral winding shielding portion. The shield layer includes an outer peripheral portion, in which the metal wires are covered with the batch plating portion, and an inner peripheral portion, in which the metal wires are not covered with the batch plating portion. The outer peripheral portion of the shield layer includes intermetallic compounds between the metal wires and the batch plating portion.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: September 6, 2022
    Assignee: HITACHI METALS, LTD.
    Inventors: Detian Huang, Takanobu Watanabe, Hideki Nonen, Masashi Arai, Hiromitsu Kuroda, Ryohei Okada, Tamotsu Sakurai
  • Publication number: 20220246326
    Abstract: A shielded cable includes at least one electric wire or cable, a shield being provided around the at least one electric wire or cable and including a plurality of wires comprising a metal material, an insulating coating being provided around the shield in direct- and plane-contact with the plurality of wires. The insulating coating includes a base resin composed of acid-modified fluoropolymer, and a heat-dissipating filler included in the base resin. The heat-dissipating filler is electrically insulating and has at least one functional group of NH2 group and OH group on its surface.
    Type: Application
    Filed: February 1, 2022
    Publication date: August 4, 2022
    Inventors: Atsuro YAGUCHI, Takanobu WATANABE, Takanori KOMURO, Kimika KUDO, Koki HIRANO, Detian HUANG
  • Patent number: 11404181
    Abstract: 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: Grant
    Filed: February 1, 2021
    Date of Patent: August 2, 2022
    Assignee: Hitachi Metals, Ltd.
    Inventors: Hiromitsu Kuroda, Takashi Hayasaka, Detian Huang, Ryohei Okada, Tamotsu Sakurai
  • Publication number: 20220223313
    Abstract: A copper alloy wire is composed of a copper alloy including indium. of 0.3 mass % or more and 0.65 mass % or less, and has 0.2% proof stress of 300 MPa or more, electrical conductivity of 80% IACS or more, and elongation of 7% or more.
    Type: Application
    Filed: December 28, 2021
    Publication date: July 14, 2022
    Inventors: Hiromitsu Kuroda, Takashi HAYASAKA, Detian HUANG, Ryohei OKADA, Tamotsu SAKURAI
  • Patent number: 11355265
    Abstract: A cable is composed of a cable core including one or more electric wires, a braided shield covering a periphery of the cable core and including braided metal wires, a sheath covering a periphery of the braided shield, and a cushion layer provided between the cable core and the braided shield. The cushion layer is composed of a braid including braided linear shape fiber yarns.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: June 7, 2022
    Assignee: HITACHI METALS, LTD.
    Inventors: Masashi Moriyama, Detian Huang, Yoshinori Tsukamoto
  • Publication number: 20220157494
    Abstract: A composite cable includes a signal transmission cable including a pair of signal lines being arranged parallel to each other in a cable longitudinal direction and contacting to each other and a shield layer covering the pair of signal lines together, a pair of power supply lines being arranged contacting to each other and contacting to the shield layer, a collective braided shield covering around a cable core composed of the signal transmission cable and the pair of power supply lines collectively, a sheath covering around the collective braided shield. The collective braided shield is configured closely contacting to the shield layer in accordance with an outer shape of the shield layer.
    Type: Application
    Filed: November 9, 2021
    Publication date: May 19, 2022
    Inventors: Detian HUANG, Takanobu WATANABE, Takanori KOMURO
  • Patent number: 11328840
    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: Grant
    Filed: November 4, 2019
    Date of Patent: May 10, 2022
    Assignee: HITACHI METALS, LTD.
    Inventors: Detian Huang, Takanobu Watanabe, Kimika Kudo
  • Publication number: 20220084723
    Abstract: A coaxial cable is composed of a conductor, an insulator around the conductor, a shield layer around the insulator, and a sheath around the shield layer. The shield layer includes a lateral winding shielding portion with metal wires helically wrapped around the insulator, and a batch plating portion covering the lateral winding shielding portion. The shield layer includes a joining portion where adjacent metal wires are joined with each other with the batch plating portion at a gap between the adjacent metal wires, and inner peripheral portions where the metal wires are not being covered with the batch plating portion and plating layers are exposed. The joining portion is provided between adjacent inner peripheral portions. When an elemental analysis is performed in any analysis region having an area of 0.015 mm2 or more and 0.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 17, 2022
    Inventors: Hiromitsu KURODA, Tamotsu SAKURAI, Keisuke FUJITO, Yoshiki NAKADE, Detian HUANG, Hideki NONEN
  • Publication number: 20220084719
    Abstract: A cable is composed of a cable core including one or more electric wires, a braided shield covering a periphery of the cable core and including braided metal wires, a sheath covering a periphery of the braided shield, and a cushion layer provided between the cable core and the braided shield. The cushion layer is composed of a braid including braided linear shape fiber yarns.
    Type: Application
    Filed: April 13, 2021
    Publication date: March 17, 2022
    Inventors: Masashi MORIYAMA, Detian HUANG, Yoshinori TSUKAMOTO
  • Publication number: 20220084724
    Abstract: A cable includes a cable core including one or more electric wires, a shield layer covering around the cable core, and a sheath covering around the shield layer. The shield layer is composed of a braided shield including a plurality of first metal wires composed of aluminum or aluminum alloy and a plurality of second metal wires composed of copper or copper alloy. The plurality of first metal wires and the plurality of second metal wires are cross-braided.
    Type: Application
    Filed: September 7, 2021
    Publication date: March 17, 2022
    Inventors: Detian HUANG, Yoshinori TSUKAMOTO, Masanori KOBAYASHI, Masashi MORIYAMA, Koji FUKUZATO
  • Publication number: 20220076864
    Abstract: A coaxial cable is composed of a conductor, an insulator covering a periphery of the conductor, a shield layer covering a periphery of the insulator, and a sheath covering a periphery of the shield layer. The shield layer is configured to include a lateral winding shielding portion with a plurality of metal wires being helically wrapped around the periphery of the insulator, and a batch plating portion made of a hot-dip plating covering respective peripheries of the lateral winding shielding portion. The shield layer includes a joining portion where the metal wires adjacent to each other in a circumferential direction are joined with each other with the batch plating portion at a spaced portion where the adjacent metal wires are spaced apart from each other, and the non-joining portion where the metal wires adjacent to each other in the circumferential direction are not joined with each other with the batch plating portion at the spaced portion.
    Type: Application
    Filed: August 24, 2021
    Publication date: March 10, 2022
    Inventors: Detian HUANG, Takanobu WATANABE, Hiromitsu KURODA, Hideki NONEN
  • Publication number: 20220076861
    Abstract: A cable includes a cable core including a linear filler, and a plurality of core wires for signal transmission, a shield layer covering around the cable core, and a sheath covering around the shield layer. The filler includes a first filler provided at a cable center, and a plurality of second fillers provided around the first filler to form a cross-shape with the first filler in a cross-section perpendicular to a cable longitudinal direction. The cable corethe cable core is configured in such a manner that the plurality of core wires and the plurality of second fillers are spirally twisted around the first filler to be alternately arranged in a circumferential direction.
    Type: Application
    Filed: August 30, 2021
    Publication date: March 10, 2022
    Inventors: Masashi Moriyama, Detian Huang, Yoshinori Tsukamoto, Masanori Kobayashi
  • Publication number: 20220068521
    Abstract: A multi-core cable includes a heat detection line including a twisted pair wire composed of a pair of heat detecting wires being twisted together, each of which includes a first conductor and a first insulator covering a periphery of the first conductor, a plurality of electric wires spirally twisted around the heat detection line, each of which includes a second conductor and a second insulator covering a periphery of the second conductor, and a sheath covering the heat detection line and the plurality of electric wires together. A melting point of the first insulator is lower than a melting point of the second insulator. The second conductor has a shape in a cross-section perpendicular to a cable longitudinal direction in which a width along a circumferential direction is gradually increased from a radially inward portion to a radially outward portion.
    Type: Application
    Filed: July 30, 2021
    Publication date: March 3, 2022
    Inventors: Detian Huang, Yoshinori Tsukamoto, Masashi Moriyama, Takahiro Sugiyama, Hiroshi Ishikawa, Hideki Nonen
  • Publication number: 20220044844
    Abstract: A heat detection line includes a twisted pair wire composed of a pair of heat detecting wires being twisted together. Each heat detecting wire includes a conductor and an insulator covering a periphery of the conductor. The conductor is non-magnetic and composed of a copper alloy with a tensile strength of 900 MPa or more. A multi-core cable includes the heat detection line, a plurality of electric wires, and a sheath covering the heat detection line and the plurality of electric wires together. A melting point of the insulator of the heat detection line is lower than a melting point of an insulator of each of the plurality of electric wires.
    Type: Application
    Filed: July 21, 2021
    Publication date: February 10, 2022
    Inventors: Masashi MORIYAMA, Yoshinori Tsukamoto, Detian Huang
  • Publication number: 20210398713
    Abstract: A coaxial cable includes a conductor, an electrically insulating member provided over a periphery of the conductor, a shielding layer composed of served shields formed by helically wrapping a plurality of metal wires around the electrically insulating member, and a sheath provided around the shielding layer. The electrically insulating member includes indentations on portions of its surface to be brought into contact with and mated to the metal wires respectively. The shielding layer includes portions in respective circumferential directions of the plurality of metal wires being brought into contact with the electrically insulating member are mated to the indentations, respectively, on the electrically insulating member, and adjacent ones of the metal wires in a circumferential direction of the shielding layer are in surface contact with each other.
    Type: Application
    Filed: December 9, 2020
    Publication date: December 23, 2021
    Inventors: Detian HUANG, Takanobu WATANABE, Hideki NONEN, Masashi ARAI, Hiromitsu KURODA, Ryohei OKADA, Tamotsu SAKURAI
  • Publication number: 20210399396
    Abstract: A coaxial cable is composed of a conductor, an electrical insulating member covering a periphery of the conductor, a shield layer covering a periphery of the electrical insulating member, and a sheath covering a periphery of the shield layer. The shield layer is configured to include a lateral winding shielding portion with a plurality of metal wires being helically wrapped around the periphery of the electrical insulating member, and a batch plating portion made of a hot-dip plating covering respective peripheries of the lateral winding shielding portion. The shield layer includes an outer peripheral portion, in which the metal wires are covered with the batch plating portion, and an inner peripheral portion, in which the metal wires are not covered with the batch plating portion. The outer peripheral portion of the shield layer includes intermetallic compounds between the metal wires and the batch plating portion.
    Type: Application
    Filed: April 21, 2021
    Publication date: December 23, 2021
    Inventors: Detian HUANG, Takanobu WATANABE, Hideki NONEN, Masashi ARAI, Hiromitsu KURODA, Ryohei OKADA, Tamotsu SAKURAI
  • 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