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: 11631507
    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: Grant
    Filed: December 9, 2020
    Date of Patent: April 18, 2023
    Assignee: PROTERIAL, LTD.
    Inventors: Detian Huang, Takanobu Watanabe, Hideki Nonen, Masashi Arai, Hiromitsu Kuroda, Ryohei Okada, Tamotsu Sakurai
  • Publication number: 20230108586
    Abstract: A composite cable is provided with plural wires each having a metal conductor and an insulator, a binder layer that bundles the plural wires together, a shield layer composed of a metal conductor and arranged around the binder layer, and a sheath covering around the shield layer. An outer diameter of the sheath is 2.0 mm or less. An amount of the metal conductor per unit length used in the shield layer is 0.4 times or more and 0.7 times or less than an amount of the metal conductor per unit length used in the plural wires.
    Type: Application
    Filed: September 27, 2022
    Publication date: April 6, 2023
    Inventors: Atsuro YAGUCHI, Kimika KUDO, Takanobu WATANABE, Detian HUANG
  • Publication number: 20230099225
    Abstract: A cable is composed of 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 includes a braided shield braided in such a manner that first metal wires composed of aluminum or an aluminum alloy intersect with second metal wires composed of copper or a copper alloy. An outer diameter of each of the second metal wires is larger than an outer diameter of each of the first metal wires.
    Type: Application
    Filed: September 6, 2022
    Publication date: March 30, 2023
    Inventors: Detian HUANG, Masanori KOBAYASHI, Masashi MORIYAMA, Kazuhiro AIDA
  • Publication number: 20230102030
    Abstract: A composite cable is provided with a coaxial wire and an insulated wire. The coaxial wire includes a center conductor, a first insulation covering the center conductor, and plural outer conductors arranged on an outer periphery of the first insulation, and a jacket covering the plural outer conductors. The insulated wire includes a stranded conductor including plural strands twisted together, and a second insulation covering the stranded conductor. The center conductor of the coaxial wire is a single wire. A conductor diameter of the center conductor is not more than a wire diameter of each of the plural strands of the insulated wire.
    Type: Application
    Filed: September 15, 2022
    Publication date: March 30, 2023
    Inventors: Atsuro YAGUCHI, Detian Huang, Takanobu Watanabe, Kotaro Tanaka, Kimika Kudo
  • Patent number: 11569005
    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 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: Grant
    Filed: August 30, 2021
    Date of Patent: January 31, 2023
    Assignee: HITACHI METALS, LTD.
    Inventors: Masashi Moriyama, Detian Huang, Yoshinori Tsukamoto, Masanori Kobayashi
  • Publication number: 20230027963
    Abstract: A signal transmission cable is provided with a conductor, an insulator covering around the conductor, a shield layer covering around the insulator, a sheath covering around the shield layer, and a plating base layer is provided between the insulator and the shield layer to cover around the insulator. The shield layer has a plating layer provided to cover the plating base layer to be in contact with an outer peripheral surface of the plating base layer. A surface roughness of an outer peripheral surface of the plating layer is less than a surface roughness of an inner peripheral surface of the plating layer.
    Type: Application
    Filed: July 7, 2022
    Publication date: January 26, 2023
    Inventors: Hideyuki Sagawa, Detian Huang, Takahiro Sugiyama, Hideki Nonen, Masashi Arai, Hiroshi Ishikawa, Xinweilong Li
  • Publication number: 20230008828
    Abstract: A signal transmission cable includes a conductor, an insulator covering a periphery of the conductor, and a shield layer covering a periphery of the insulator. The shield layer includes a lateral winding shield portion composed of a plurality of metal wires being helically wrapped around the periphery of the insulator to cover the periphery of the insulator, and a batch plating portion composed of a hot dip plating, which is covering a periphery of the lateral winding shield portion. Where a diameter of the metal wire is d and a thickness of the batch plating portion from an outer surface of the metal wire is t, a formula t<0.5d is met over an entire cable circumference. When the signal transmission cable is bent in a U-shape within a range of a bending strain of 35% or less, no cracks occur in the batch plating portion.
    Type: Application
    Filed: June 10, 2022
    Publication date: January 12, 2023
    Inventors: Hiromitsu KURODA, Tamotsu SAKURAI, Yoshiki NAKADE, Detian HUANG, Xinweilong LI
  • 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: 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: 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: 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