Patents by Inventor Ryoma Uegaki

Ryoma Uegaki 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: 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
  • 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
  • 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
  • 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: 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
  • Patent number: 11017914
    Abstract: A covered electric wire comprises an insulating coating layer on the outer side of a conductor. The conductor comprises a copper alloy consisting of: not less than 0.05% by mass and not more than 2.0% by mass of Fe; not less than 0.02% by mass and not more than 1.0% by mass of Ti; not less than 0% by mass and not more than 0.6% by mass of Mg; and the balance being Cu and impurities. The covered electric wire is a stranded wire comprising a plurality of copper alloy wires stranded together. The plurality of copper alloy wires each have a work hardening coefficient of not less than 0.1 and a wire diameter of not more than 0.5 mm.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: May 25, 2021
    Assignees: Sumitomo Electric Industries, Ltd., AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd.
    Inventors: Akiko Inoue, Kei Sakamoto, Tetsuya Kuwabara, Taichiro Nishikawa, Kiyotaka Utsunomiya, Yusuke Oshima, Yasuyuki Ootsuka, Kinji Taguchi, Hiroyuki Kobayashi, Ryoma Uegaki
  • Publication number: 20210005348
    Abstract: The application discloses a communication cable that includes a twisted pair of insulated wires twisted with each other, and a sheath covering a single one of the twisted pair. The twisted pair is adhered to a portion smaller than an entire inner surface of the sheath. Each of the insulated wires includes a conductor that has a tensile strength of 400 MPa or higher, and an insulation coating that covers the conductor. The communication cable has no conductive shield inside or outside the sheath, and the communication cable has a characteristic impedance of 100±10?.
    Type: Application
    Filed: September 18, 2020
    Publication date: January 7, 2021
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma UEGAKI, Kinji TAGUCHI
  • Patent number: 10825577
    Abstract: A communication cable that has a reduced diameter while ensuring a required magnitude of characteristic impedance. The communication cable contains a twisted pair that contains a pair of insulated wires, twisted with each other and a sheath covering the twisted pair. Each of the insulated wires, contains a conductor that has a tensile strength of 400 MPa or higher and an insulation coating that covers the conductor. The sheath is made of an insulating material having a dielectric tangent of 0.0001 or higher. The communication cable 1 has a characteristic impedance of 100±10 ?.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: November 3, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma Uegaki, Kinji Taguchi
  • Patent number: 10818412
    Abstract: A communication cable that has a reduced diameter while ensuring a required magnitude of characteristic impedance. The communication cable contains a twisted pair that contains a pair of insulated wires twisted with each other and a sheath covering the twisted pair. Each of the insulated wires contains a conductor that has a tensile strength of 400 MPa or higher and an insulation coating that covers the conductor. A gap G is formed between the sheath and the insulated wires constituting the twisted pair. The communication cable has a characteristic impedance of 100±10 ?.
    Type: Grant
    Filed: December 2, 2016
    Date of Patent: October 27, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma Uegaki, Kinji Taguchi
  • Patent number: 10818415
    Abstract: A shielded communication cable that includes a twisted wire pair formed by a pair of core wires that each include a conductor and an insulator covering the conductor and that are twisted together; a first sheath covering the pair of core wires that are twisted together; a shield layer covering the first sheath; and a second sheath covering the shield layer, wherein: the shielded communication cable does not include a drain wire, the shield layer is formed by a multilayer body that includes a metal foil layer and a resin layer disposed on one surface of the metal foil layer, and the shielded communication cable is used for communications in an automobile.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: October 27, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma Uegaki, Keigo Takahashi, Kinji Taguchi
  • Publication number: 20200251249
    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: Application
    Filed: December 21, 2017
    Publication date: August 6, 2020
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma UEGAKI, Kinji TAGUCHI
  • Publication number: 20200168366
    Abstract: A shielded communication cable that includes a twisted wire pair formed by a pair of core wires that each include a conductor and an insulator covering the conductor and that are twisted together; a first sheath covering the pair of core wires that are twisted together; a shield layer covering the first sheath; and a second sheath covering the shield layer, wherein: the shielded communication cable does not include a drain wire, the shield layer is formed by a multilayer body that includes a metal foil layer and a resin layer disposed on one surface of the metal foil layer, and the shielded communication cable is used for communications in an automobile.
    Type: Application
    Filed: October 20, 2017
    Publication date: May 28, 2020
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma UEGAKI, Keigo TAKAHASHI, Kinji TAGUCHI
  • Publication number: 20200118708
    Abstract: A communication cable that has a reduced diameter while ensuring a required magnitude of characteristic impedance. The communication cable contains a twisted pair that contains a pair of insulated wires, twisted with each other and a sheath covering the twisted pair. Each of the insulated wires, contains a conductor that has a tensile strength of 400 MPa or higher and an insulation coating that covers the conductor. The sheath is made of an insulating material having a dielectric tangent of 0.0001 or higher. The communication cable 1 has a characteristic impedance of 100±10?.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 16, 2020
    Inventors: Ryoma UEGAKI, Kinji TAGUCHI
  • Patent number: 10553329
    Abstract: A communication cable that has a reduced diameter while ensuring a required magnitude of characteristic impedance. The communication cable contains a twisted pair that contains a pair of insulated wires, twisted with each other and a sheath covering the twisted pair. Each of the insulated wires, contains a conductor that has a tensile strength of 400 MPa or higher and an insulation coating that covers the conductor. The sheath is made of an insulating material having a dielectric tangent of 0.0001 or higher. The communication cable 1 has a characteristic impedance of 100±10?.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: February 4, 2020
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma Uegaki, Kinji Taguchi
  • Patent number: 10515738
    Abstract: A copper alloy wire, a copper alloy twisted wire, a covered electric wire, and a wiring harness that have high strength and excellent impact resistance. A copper alloy wire for use as a conductor has a ratio of 0.2% proof stress to tensile strength that is 0.87 or less. A copper alloy twisted wire includes a plurality of the twisted copper alloy wires. A covered electric wire includes a conductor including the copper alloy wire and an insulation cover that covers an outer periphery of the conductor. A wiring harness includes the covered electric wire, and a terminal metal fitting that is attached to the conductor of the covered electric wire.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: December 24, 2019
    Assignees: SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma Uegaki, Akiko Inoue, Tetsuya Kuwabara, Hiroyuki Kobayashi, Kinji Taguchi, Yasuyuki Ootsuka
  • Publication number: 20190355492
    Abstract: A communication cable that includes a communication line that includes a pair of insulated wires that each include a conductor that has a cross-sectional area of less than 0.22 mm2 and an insulating covering that covers an outer periphery of the conductor, wherein the communication cable has a characteristic impedance in a range of 100±10?, and a difference in capacitance between the insulated wires forming the communication line is 25 pF/m or less.
    Type: Application
    Filed: February 1, 2018
    Publication date: November 21, 2019
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma UEGAKI, Kinji TAGUCHI
  • Publication number: 20190341171
    Abstract: A communication cable that has a reduced diameter while ensuring a required magnitude of characteristic impedance. The shielded communication cable contains a twisted pair containing a pair of insulated wires twisted with each other. Each of the insulated wire contains a conductor that has a tensile strength of 400 MPa or higher, and an insulation coating that covers the conductor. The shielded communication cable 1 further contains a shield that is made of a conductive material and surrounds the twisted pair. The shielded communication cable has a characteristic impedance of 100±10?.
    Type: Application
    Filed: July 15, 2019
    Publication date: November 7, 2019
    Applicants: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma UEGAKI, Kinji TAGUCHI
  • Patent number: 10446293
    Abstract: A communication cable that has a reduced diameter while ensuring a required magnitude of characteristic impedance. The shielded communication cable contains a twisted pair containing a pair of insulated wires twisted with each other. Each of the insulated wire contains a conductor that has a tensile strength of 400 MPa or higher, and an insulation coating that covers the conductor. The shielded communication cable 1 further contains a shield that is made of a conductive material and surrounds the twisted pair. The shielded communication cable has a characteristic impedance of 100±10?.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: October 15, 2019
    Assignees: AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO WIRING SYSTEMS, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Ryoma Uegaki, Kinji Taguchi