Patents by Inventor Taketo Kumada

Taketo Kumada 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: 20230411043
    Abstract: There are provided a duplex twisted shielded cable and wire harness, the duplex twisted shielded cable including; two insulated wires that are twisted together, each having a conductor and an insulator covering the conductor; a metal foil shield provided around the two insulated wires; a metal braid provided on an outer periphery of the metal foil shield; and a sheath provided on an outer periphery of the metal braid. The metal foil shield includes a PET film layer and a metal layer. The PET film layer has a thickness of 20 ?m or less, an ellipticity of the PET film layer is set to 0.75 or more and 0.90 or less, and the metal foil shield is longitudinally attached to the two insulated wires.
    Type: Application
    Filed: May 15, 2023
    Publication date: December 21, 2023
    Inventors: Taketo Kumada, Toshiharu Shimizu
  • Patent number: 10529464
    Abstract: A shield sleeve for shielding an electric wire includes a tensile strength fiber that has an approximately circular section and on which a metal-plating layer is formed. A plurality of the tensile strength fibers is braided to form a tubular shape. Braid density of the braided tensile strength fibers is 85% or more and 98% or less and resistance between the braided tensile strength fibers is 0.096 ?/m or less.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: January 7, 2020
    Assignee: YAZAKI CORPORATION
    Inventors: Taketo Kumada, Hiroki Kondo
  • Patent number: 10510469
    Abstract: A coaxial cable has an inner conductor, an insulator provided on an outer circumference of the inner conductor, a film provided on an outer circumference of the insulator, an outer conductor provided on an outer circumference of the film, and a sheath provided on an outer circumference of the outer conductor. At least a part of the film is colored in a different color from both colors of the insulator and the outer conductor.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: December 17, 2019
    Assignee: YAZAKI CORPORATION
    Inventor: Taketo Kumada
  • Publication number: 20190096547
    Abstract: A differential transmission cable and a wire harness is provided. The differential transmission cable 1 includes two electric wires, a non-conductive film that is wound around the two electric wires, and a sheath that is brought into contact with the periphery of the film in a filled state. The film has an adhesive layer in one surface of the film. The film is wound around the two electric wires such that the adhesive layer is arranged outside. In addition, the film is laterally wound around the two electric wires.
    Type: Application
    Filed: August 21, 2018
    Publication date: March 28, 2019
    Applicant: Yazaki Corporation
    Inventor: Taketo KUMADA
  • Publication number: 20190096546
    Abstract: A 2-core shielded cable and a wire harness is provided. The 2-core shielded cable is equipped with two insulated electric wires, a metal film which is provided along a length of the electric wire so as to cover the two electric wires, and a sheath which is formed around the metal film in a filled state. The metal film has a film and a metal layer. The thickness of the film is larger than or equal to 20 ?m.
    Type: Application
    Filed: August 17, 2018
    Publication date: March 28, 2019
    Applicant: Yazaki Corporation
    Inventor: Taketo KUMADA
  • Patent number: 10068686
    Abstract: A coaxial cable includes an internal conductor, an insulator that is provided at an outer circumference of the internal conductor, a film that is provided at an outer circumference of the insulator, an external conductor that is provided at an outer circumference of the film, a sheath that is provided at an outer circumference of the external conductor, and an adhesive layer that is provided between the insulator and the film and that bonds the insulator and the film with each other.
    Type: Grant
    Filed: June 5, 2015
    Date of Patent: September 4, 2018
    Assignee: Yazaki Corporation
    Inventor: Taketo Kumada
  • Publication number: 20180158568
    Abstract: A shield sleeve for shielding an electric wire includes a tensile strength fiber that has an approximately circular section and on which a metal-plating layer is formed. A plurality of the tensile strength fibers is braided to form a tubular shape. Braid density of the braided tensile strength fibers is 85% or more and 98% or less and resistance between the braided tensile strength fibers is 0.096 ?/m or less.
    Type: Application
    Filed: January 10, 2018
    Publication date: June 7, 2018
    Applicant: Yazaki Corporation
    Inventors: Taketo KUMADA, Hiroki KONDO
  • Patent number: 9911522
    Abstract: A wiring harness includes an electric wire having a conductor part and an insulator, the insulator covering an outer periphery of the conductor part and containing a plasticizer, and a coaxial wire having an internal conductor, an internal insulator, an external conductor, and a sheath, the internal insulator provided on an outer periphery of the internal conductor, the external conductor provided on an outer periphery of the internal insulator, and the sheath covering an outer periphery of the external conductor. The coaxial wire is arranged adjacent to the electric wire. The coaxial wire comprises a film layer which is provided between the internal insulator and the external conductor and which prevents transfer of the plasticizer. A contact force between the internal insulator and the film layer is 1N or more.
    Type: Grant
    Filed: March 6, 2017
    Date of Patent: March 6, 2018
    Assignee: YAZAKI CORPORATION
    Inventors: Shuichi Inoue, Taketo Kumada
  • Publication number: 20170178768
    Abstract: A wiring harness includes an electric wire having a conductor part and an insulator, the insulator covering an outer periphery of the conductor part and containing a plasticizer, and a coaxial wire having an internal conductor, an internal insulator, an external conductor, and a sheath, the internal insulator provided on an outer periphery of the internal conductor, the external conductor provided on an outer periphery of the internal insulator, and the sheath covering an outer periphery of the external conductor. The coaxial wire is arranged adjacent to the electric wire. The coaxial wire comprises a film layer which is provided between the internal insulator and the external conductor and which prevents transfer of the plasticizer. A contact force between the internal insulator and the film layer is 1N or more.
    Type: Application
    Filed: March 6, 2017
    Publication date: June 22, 2017
    Applicant: Yazaki Corporation
    Inventors: Shuichi INOUE, Taketo KUMADA
  • Patent number: 9466406
    Abstract: A communication cable is provided which can suppress the shielding performance thereof. A communication cable 1 includes one or a plurality of conductors 10, an insulator 20 placed on the conductor 10 to cover it, a shielding layer 30 which is formed on an outer circumference of the insulator 20, an insulating sheath 40 which covers the shielding layer 30 and a biaxially oriented film layer 50 which is provided between the insulator 20 and the sheath 40 so as to cover the outer circumference of the insulator 20.
    Type: Grant
    Filed: April 4, 2012
    Date of Patent: October 11, 2016
    Assignee: YAZAKI CORPORATION
    Inventors: Toshiharu Shimizu, Taketo Kumada
  • Publication number: 20160078981
    Abstract: A signal cable is provided with a pair of power supply wires and a pair of signal wires. Each of the pair of the power supply wires is provided with a conductor and an insulator with which the conductor of the power supply wire is coated. Each of the pair of the signal wires comprises a conductor and an insulator with which the conductor of the signal wire is coated. The pair of the power supply wires and the pair of the signal wires are respectively disposed diagonally. The power supply wires and the signal wires are collectively twisted together, and the conductors of the power supply wires and the conductors of the signal wires are respectively twisted together in a state that strains of the conductors of the power supply wires and the conductors of the signal wires are within a range of an elastic region.
    Type: Application
    Filed: November 12, 2015
    Publication date: March 17, 2016
    Inventor: Taketo Kumada
  • Publication number: 20160035461
    Abstract: A coaxial cable has an inner conductor, an insulator provided on an outer circumference of the inner conductor, a film provided on an outer circumference of the insulator, an outer conductor provided on an outer circumference of the film, and a sheath provided on an outer circumference of the outer conductor. At least a part of the film is colored in a different color from both colors of the insulator and the outer conductor.
    Type: Application
    Filed: October 13, 2015
    Publication date: February 4, 2016
    Inventor: Taketo KUMADA
  • Patent number: 9190191
    Abstract: An extra-flexible insulated electric wire includes a conductor portion and an insulating cover. The conductor portion includes an inner layer and an outermost layer. In the inner layer, conductive strands are collectively twisted. In the outermost layer, conductive strands are disposed along an outer circumference of the inner layer. The insulating cover covers the conductor portion.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: November 17, 2015
    Assignee: YAZAKI CORPORATION
    Inventor: Taketo Kumada
  • Publication number: 20150294758
    Abstract: An insulated wire 1 includes a stranded conductor 11 composed of a plurality of metal conductor strands 11a twisted together, covered with an electrically insulative insulator 12, each metal conductor strand 11a being made of a copper alloy having a tensile strength of 500 MPa or higher and an elongation of 6% or greater, and having a strand diameter of 0.12 mm or smaller.
    Type: Application
    Filed: June 26, 2015
    Publication date: October 15, 2015
    Applicant: Yazaki Corporation
    Inventors: Taketo Kumada, Kazuhiro Ohgushi
  • Publication number: 20150270032
    Abstract: A coaxial cable includes an internal conductor, an insulator that is provided at an outer circumference of the internal conductor, a film that is provided at an outer circumference of the insulator, an external conductor that is provided at an outer circumference of the film, a sheath that is provided at an outer circumference of the external conductor, and an adhesive layer that is provided between the insulator and the film and that bonds the insulator and the film with each other.
    Type: Application
    Filed: June 5, 2015
    Publication date: September 24, 2015
    Applicant: YAZAKI CORPORATION
    Inventor: Taketo Kumada
  • Publication number: 20150206625
    Abstract: A coaxial cable includes an inner conductor, an insulator formed on an outer peripheral side of the inner conductor, an outer conductor layer formed on an outer peripheral side of the insulator, and a sheath formed on an outer peripheral side of the outer conductor layer. The outer conductor layer has a first shield layer made of metal foil, an insulating layer formed on an outer peripheral side of the first shield layer, and a second shield layer made of metal foil formed on an outer peripheral side of the insulating layer. The first shield layer of the outer conductor layer is glued to the insulator.
    Type: Application
    Filed: April 1, 2015
    Publication date: July 23, 2015
    Applicant: Yazaki Corporation
    Inventor: Taketo Kumada
  • Publication number: 20140027149
    Abstract: A communication cable is provided which can suppress the shielding performance thereof. A communication cable 1 includes one or a plurality of conductors 10, an insulator 20 placed on the conductor 10 to cover it, a shielding layer 30 which is formed on an outer circumference of the insulator 20, an insulating sheath 40 which covers the shielding layer 30 and a biaxially oriented film layer 50 which is provided between the insulator 20 and the sheath 40 so as to cover the outer circumference of the insulator 20.
    Type: Application
    Filed: April 4, 2012
    Publication date: January 30, 2014
    Applicant: YAZAKI CORPORATION
    Inventors: Toshiharu Shimizu, Taketo Kumada
  • Publication number: 20130333914
    Abstract: A shield sleeve for shielding an electric wire includes a tensile strength fiber that has an approximately circular section and on which a metal-plating layer is formed. A plurality of the tensile strength fibers is braided to form a tubular shape. Braid density of the braided tensile strength fibers is 85% or more and 98% or less and resistance between the braided tensile strength fibers is 0.096 ?/m or less.
    Type: Application
    Filed: August 16, 2013
    Publication date: December 19, 2013
    Applicant: Yazaki Corporation
    Inventors: Taketo KUMADA, Hiroki KONDO
  • Publication number: 20130327557
    Abstract: An extra-flexible insulated electric wire includes a conductor portion and an insulating cover. The conductor portion includes an inner layer and an outermost layer. In the inner layer, conductive strands are collectively twisted. In the outermost layer, conductive strands are disposed along an outer circumference of the inner layer. The insulating cover covers the conductor portion.
    Type: Application
    Filed: August 14, 2013
    Publication date: December 12, 2013
    Applicant: YAZAKI CORPORATION
    Inventor: Taketo Kumada