Patents by Inventor Kinji Taguchi

Kinji Taguchi 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: 12136502
    Abstract: A communication cable includes a solid sheath on an outer periphery of a signal cable having a plurality of insulated wires and in which transmission characteristics hardly decrease due to a pressure in extrusion-molding a sheath. The signal cable 10 includes a plurality of insulated wires 11 each having a conductor 12 and an insulation coating 13 covering an outer periphery of the conductor 12, and a solid sheath 20 covering an outer periphery of the signal cable 10. A melt flow rate of a constituent material of the sheath 20 measured at 200° and with a load of 2.16 kg is 0.25 g/10 min. or more.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: November 5, 2024
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma Uegaki, Kinji Taguchi, Takaki Endo, Tatsuya Shimada, Yuta Yasuyoshi
  • Patent number: 12119136
    Abstract: A shielded communication cable. The shielded communication cable includes a pair of insulated wires twisted with each other containing a conductor and an insulation covering which covers the conductor and has the relative dielectric constant of 2.5 or lower, a braided shield which covers the pair of insulated wires, a film-shaped shield which contains a metal film and longitudinally laps the pair of the insulated wires over the braided shield and a jacket having an inner diameter of 3.5 mm or smaller which covers the film-shaped shield. The pair of insulated wires are twisted with each other with a twist pitch of 30 times of an outer diameter of each of the insulated wires or smaller, and the shielded communication cable has a characteristic impedance in range of 100±5?.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: October 15, 2024
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma Uegaki, Kinji Taguchi, Takaki Endo, Tatsuya Shimada, Toru Shimizu, Yuta Yasuyoshi, Kenichiro Iwama
  • Patent number: 12020834
    Abstract: Disclosed is a shielded communication cable containing a parallel electric cable containing a pair of insulated wires arranged parallel to each other without being twisted. The shielded communication cable exhibits excellent noise shieldability and hardly generates signal propagation time difference. The shielded communication cable contains a parallel electric cable containing a pair of insulated wires arranged parallel to each other. Each of the insulated wires contains a conductor and an insulation coating that covers the conductor. A braided shield containing elemental wires braided together and a film-shaped shield containing a metal film are arranged at an outer circumference of the parallel electric cable.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: June 25, 2024
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Toru Shimizu, Takaki Endo, Ryoma Uegaki, Kenichiro Iwama, Kinji Taguchi, Satoshi Okano
  • Patent number: 11837378
    Abstract: A communication cable includes a coating layer that contains a powdery magnetic material and that can suppress the occurrence of a powdery substance containing the magnetic material when processing the coating layer. The communication cable further includes a conductor, an insulating coating that covers an outer circumstance of the conductor, and a magnetic sheath layer that covers an outer side of the insulating coating, and the magnetic sheath layer contains the magnetic material and the magnetic material has a particle shape with an average particle diameter of not more than 50 ?m and an aspect ratio of not greater than 4.
    Type: Grant
    Filed: December 7, 2020
    Date of Patent: December 5, 2023
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Toru Shimizu, Kinji Taguchi, Tatsuya Shimada, Takaki Endo, Ryoma Uegaki, Yuta Yasuyoshi
  • Patent number: 11749423
    Abstract: An electric wire conductor is excellent in space saving and flexibility and is less likely to concentrate a load on specific elemental wires, and a covered electric wire and a wire harness contain the electric wire conductor. The electric wire conductor contains a wire strand containing a plurality of elemental wires twisted together. The wire strand has a sector-shaped part in which a cross-section intersecting an axial direction of the wire strand contains either a single edge or two edges touching each other at an apex, and an outward curve connecting the ends of the single edge or the two edges. In the sector-shaped part, the elemental wires having deformation ratios from a circle lower at an outer peripheral part facing an outer periphery of the sector-shaped part than at a center part of the sector-shaped part located inside the outer peripheral part in the cross-section intersecting the axial direction.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: September 5, 2023
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hayato Ooi, Yasuyuki Otsuka, Kinji Taguchi
  • Publication number: 20230144417
    Abstract: A communication cable 1 includes a conductor 11 for transmitting electric signals and an outer layer 15 that is disposed outside the conductor 11 and contains an organic polymer. The communication cable 1 has at least one of a first form in which the outer layer 15 contains a chloride-forming flame retardant capable of forming a chloride and a second form in which an inner layer 13 containing an organic polymer and a chloride-forming flame retardant capable of forming a chloride is further provided between the outer layer 15 and the conductor 11. The outer layer 15 contains a first organic polymer and a second organic polymer having a higher tensile modulus than the first organic polymer, and the overall organic polymer component constituting the outer layer 15 has a tensile modulus of at least 100 MPa.
    Type: Application
    Filed: March 17, 2021
    Publication date: May 11, 2023
    Inventors: Yuta YASUYOSHI, Tatsuya SHIMADA, Toru SHIMIZU, Ryoma UEGAKI, Kinji TAGUCHI, Takaki ENDO
  • Publication number: 20230098842
    Abstract: It is aimed to provide a communication cable which includes a solid sheath on an outer periphery of a signal cable having a plurality of insulated wires and in which transmission characteristics hardly decrease due to a pressure in extrusion-molding a sheath. A communication cable 1 is provided with a signal cable 10 including a plurality of insulated wires 11 each having a conductor 12 and an insulation coating 13 covering an outer periphery of the conductor 12, and a solid sheath 20 covering an outer periphery of the signal cable 10. A melt flow rate of a constituent material of the sheath 20 measured at 200° and with a load of 2.16 kg is 0.25 g/10 min. or more.
    Type: Application
    Filed: February 5, 2021
    Publication date: March 30, 2023
    Inventors: Ryoma UEGAKI, Kinji TAGUCHI, Takaki ENDO, Tatsuya SHIMADA, Yuta YASUYOSHI
  • Publication number: 20230049270
    Abstract: Provided is a communication cable provided with a coating layer that contains a powdery magnetic material and that can suppress the occurrence of a powdery substance containing the magnetic material when processing the coating layer. A communication cable 1 includes a conductor 2, an insulating coating 3 that covers an outer circumstance of the conductor 2, and a magnetic sheath layer 8 that covers an outer side of the insulating coating 3, and the magnetic sheath layer 8 contains the magnetic material and the magnetic material has a particle shape with an average particle diameter of not more than 50 ?m and an aspect ratio of not greater than 4.
    Type: Application
    Filed: December 7, 2020
    Publication date: February 16, 2023
    Inventors: Toru SHIMIZU, Kinji TAGUCHI, Tatsuya SHIMADA, Takaki ENDO, Ryoma UEGAKI, Yuta YASUYOSHI
  • Patent number: 11551828
    Abstract: An electric wire conductor having both flexibility and a space-saving property. Also provided are a covered electric wire and a wiring harness containing the electric wire conductor. An electric wire conductor contains a wire strand containing a plurality of elemental wires twisted together. The electric wire conductor has a flat portion in which a cross section intersecting an axial direction of the wire strand has a flat shape. Assuming a conductor cross-sectional area of the flat portion as s mm2 and a vacancy ratio defined as a ratio of vacancies not occupied by the elemental wires in a cross section of the flat portion as v %, the conductor cross-sectional area and the vacancy ratio satisfies v>0.29 s+2.0. The covered electric wire contains electric wire conductor and an insulator covering the conductor. The wiring harness contains the covered electric wire.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: January 10, 2023
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hayato Ooi, Yasuyuki Otsuka, Kinji Taguchi, Toyoki Furukawa, Tooru Tanji, Kei Sakamoto, Tetsuya Kuwabara
  • Patent number: 11545279
    Abstract: A wiring harness comprises a first covered electric wire, and a second covered electric wire. The first covered electric wire comprises a first electric wire conductor made of aluminum or an aluminum alloy and an insulator covering the first electric wire conductor. The first electric wire conductor comprises a wire strand of a plurality of elemental wires twisted together, and has a flat portion where a cross-section of the wire strand intersecting an axial direction of the wire strand has a flat shape. The second covered electric wire comprises a second electric wire conductor made of copper or a copper alloy and an insulator covering the second electric wire conductor. The second electric wire conductor has a lower flatness and a smaller conductor cross-sectional area than the first electric wire conductor of the first covered electric wire.
    Type: Grant
    Filed: January 28, 2021
    Date of Patent: January 3, 2023
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hayato Ooi, Yasuyuki Otsuka, Kinji Taguchi, Toru Tanji
  • Publication number: 20220189660
    Abstract: A shielded communication cable. The shielded communication cable includes a pair of insulated wires twisted with each other containing a conductor and an insulation covering which covers the conductor and has the relative dielectric constant of 2.5 or lower, a braided shield which covers the pair of insulated wires, a film-shaped shield which contains a metal film and longitudinally laps the pair of the insulated wires over the braided shield and a jacket having an inner diameter of 3.5 mm or smaller which covers the film-shaped shield. The pair of insulated wires are twisted with each other with a twist pitch of 30 times of an outer diameter of each of the insulated wires or smaller, and the shielded communication cable has a characteristic impedance in range of 100±5?.
    Type: Application
    Filed: January 23, 2020
    Publication date: June 16, 2022
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma UEGAKI, Kinji TAGUCHI, Takaki ENDO, Tatsuya SHIMADA, Toru SHIMIZU, Yuta YASUYOSHI, Kenichiro IWAMA
  • Patent number: 11315702
    Abstract: A covered electrical wire comprises a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a strand of a plurality of copper alloy wires: composed of a copper alloy containing Fe in an amount of 0.2% by mass or more and 1.6% by mass or less, P in an amount of 0.05% by mass or more and 0.4% by mass or less, and Sn in an amount of 0.05% by mass or more and 0.7% by mass or less, with the balance being Cu and impurities, and having a mass ratio of Fe/P of 4.0 or more; and having a wire diameter of 0.5 mm or less.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: April 26, 2022
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Kei Sakamoto, Akiko Inoue, Tetsuya Kuwabara, Minoru Nakamoto, Yusuke Oshima, Yoshihiro Nakai, Kazuhiro Nanjyo, Taichiro Nishikawa, Kiyotaka Utsunomiya, Yasuyuki Ootsuka, Kinji Taguchi, Hiroyuki Kobayashi
  • Patent number: 11315701
    Abstract: A covered electrical wire comprising a conductor and an insulating covering layer provided outside the conductor, the conductor being a stranded wire composed of a strand of a plurality of copper alloy wires: composed of a copper alloy containing Fe in an amount of 0.1% by mass or more and 1.6% by mass or less, P in an amount of 0.05% by mass or more and 0.7% by mass or less, and Sn in an amount of 0.05% by mass or more and 0.7% by mass or less, with the balance being Cu and impurities; and having a wire diameter of 0.5 mm or less, the copper alloy wire having a tensile strength of 385 MPa or more and a work-hardening exponent of 0.1 or more.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: April 26, 2022
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems. Ltd.
    Inventors: Kei Sakamoto, Akiko Inoue, Tetsuya Kuwabara, Minoru Nakamoto, Yusuke Oshima, Yoshihiro Nakai, Kazuhiro Nanjo, Taichiro Nishikawa, Kiyotaka Utsunomiya, Yasuyuki Ootsuka, Kinji Taguchi, Hiroyuki Kobayashi
  • Publication number: 20210398710
    Abstract: Disclosed is a shielded communication cable containing a parallel electric cable containing a pair of insulated wires arranged parallel to each other without being twisted. The shielded communication cable exhibits excellent noise shieldability and hardly generates signal propagation time difference. The shielded communication cable contains a parallel electric cable containing a pair of insulated wires arranged parallel to each other. Each of the insulated wires contains a conductor and an insulation coating that covers the conductor. A braided shield containing elemental wires braided together and a film-shaped shield containing a metal film are arranged at an outer circumference of the parallel electric cable.
    Type: Application
    Filed: January 9, 2020
    Publication date: December 23, 2021
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Toru SHIMIZU, Takaki ENDO, Ryoma UEGAKI, Kenichiro IWAMA, Kinji TAGUCHI, Satoshi OKANO
  • Patent number: 11189394
    Abstract: An electric wire conductor includes a wire strand having a plurality of elemental wires twisted together. The wire strand includes a deformed part in which a cross-section of the wire strand intersecting an axial direction of the wire strand is formed into a flat shape in which a width of the cross section is larger than a height of the cross section, and an entire outer periphery of the cross section is formed as an outward curve. In the cross-section of the deformed part, the elemental wires have deformation ratios from a circle of 70% or lower at an outer peripheral part facing the outer periphery of the deformed part than at a center part located inside the outer peripheral part.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: November 30, 2021
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES
    Inventors: Kyoma Sahashi, Hayato Ooi, Toyoki Furukawa, Yasuyuki Otsuka, Kinji Taguchi
  • Publication number: 20210335520
    Abstract: An electric wire conductor having both flexibility and a space-saving property. Also provided are a covered electric wire and a wiring harness containing the electric wire conductor. An electric wire conductor contains a wire strand containing a plurality of elemental wires twisted together. The electric wire conductor has a flat portion in which a cross section intersecting an axial direction of the wire strand has a flat shape. Assuming a conductor cross-sectional area of the flat portion as s mm2 and a vacancy ratio defined as a ratio of vacancies not occupied by the elemental wires in a cross section of the flat portion as v %, the conductor cross-sectional area and the vacancy ratio satisfies v>0.29 s+2.0. The covered electric wire contains electric wire conductor and an insulator covering the conductor. The wiring harness contains the covered electric wire.
    Type: Application
    Filed: July 9, 2021
    Publication date: October 28, 2021
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hayato OOI, Yasuyuki OTSUKA, Kinji TAGUCHI, Toyoki FURUKAWA, Tooru TANJI, Kei SAKAMOTO, Tetsuya KUWABARA
  • Patent number: 11107602
    Abstract: An electric wire conductor capable of achieving both flexibility and a space-saving property, a covered electric wire and a wiring harness including such an electric wire conductor. The electric wire conductor contains a wire strand containing a plurality of elemental wires twisted together, and has a flat portion where a cross-section intersecting an axial direction of the wire strand has a flat shape. A covered electric wire contains the electric wire conductors and an insulator covering the electric wire conductors. A wiring harness contains such covered electric wires.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: August 31, 2021
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hayato Ooi, Yasuyuki Ootsuka, Kinji Taguchi, Toru Tanji
  • Patent number: 11094430
    Abstract: An electric wire conductor having both flexibility and a space-saving property. Also provided are a covered electric wire and a wiring harness containing the electric wire conductor. An electric wire conductor contains a wire strand containing a plurality of elemental wires twisted together. The electric wire conductor has a flat portion in which a cross section intersecting an axial direction of the wire strand has a flat shape. Assuming a conductor cross-sectional area of the flat portion as s mm2 and a vacancy ratio defined as a ratio of vacancies not occupied by the elemental wires in a cross section of the flat portion as v %, the conductor cross-sectional area and the vacancy ratio satisfies v>0.29 s+2.0. The covered electric wire contains electric wire conductor and an insulator covering the conductor. The wiring harness contains the covered electric wire.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: August 17, 2021
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hayato Ooi, Yasuyuki Otsuka, Kinji Taguchi, Toyoki Furukawa, Tooru Tanji, Kei Sakamoto, Tetsuya Kuwabara
  • Patent number: 11062822
    Abstract: A communication cable that includes a twisted wire pair that includes a pair of insulated wires that are twisted together and that each include a conductor and an insulating covering that covers an outer periphery of the conductor; and a sheath that is made of an insulating material and continuously covers an entire outer periphery of the twisted wire pair about a center along a longitudinal axis of the twisted wire pair, wherein the sheath has a dielectric loss tangent of 0.0001 or more in a frequency range of 1 to 50 MHz.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: July 13, 2021
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma Uegaki, Kinji Taguchi
  • Publication number: 20210193348
    Abstract: An electric wire conductor having both flexibility and a space-saving property. Also provided are a covered electric wire and a wiring harness containing the electric wire conductor. An electric wire conductor contains a wire strand containing a plurality of elemental wires twisted together. The electric wire conductor has a flat portion in which a cross section intersecting an axial direction of the wire strand has a flat shape. Assuming a conductor cross-sectional area of the flat portion as s mm2 and a vacancy ratio defined as a ratio of vacancies not occupied by the elemental wires in a cross section of the flat portion as v %, the conductor cross-sectional area and the vacancy ratio satisfies v>0.29s+2.0. The covered electric wire contains electric wire conductor and an insulator covering the conductor. The wiring harness contains the covered electric wire.
    Type: Application
    Filed: November 6, 2018
    Publication date: June 24, 2021
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hayato OOI, Yasuyuki OTSUKA, Kinji TAGUCHI, Toyoki FURUKAWA, Tooru TANJI, Kei SAKAMOTO, Tetsuya KUWABARA