Patents by Inventor Hideki Aizawa

Hideki Aizawa 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: 20220021257
    Abstract: A coreless motor includes a rotating shaft, a rotor plate attached to the rotating shaft, and a coil supported by the rotor plate. The coil includes a carbon nanotube electric wire, the carbon nanotube electric wire including a carbon nanotube wire and a coating layer, the carbon nanotube wire including a plurality of carbon nanotubes, the coating layer including an insulating layer that covers the carbon nanotube wire so as to insulate the carbon nanotube wire.
    Type: Application
    Filed: September 28, 2021
    Publication date: January 20, 2022
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Hideki AIZAWA, Satoshi YAMASHITA, Kazutomi MIYOSHI
  • Publication number: 20210035706
    Abstract: A coated carbon nanotube wire for a coil includes: a carbon nanotube wire, the carbon nanotube wire being composed of a plurality of carbon nanotube aggregates each constituted of a plurality of carbon nanotubes, or being composed of a plurality of carbon nanotube element wires each constituted of a plurality of carbon nanotubes; and a coating layer coating the carbon nanotube wire, wherein each of the carbon nanotube aggregates contacts one or more other adjacent carbon nanotube aggregates, or each of the carbon nanotube element wires contacts one or more other adjacent carbon nanotube element wires.
    Type: Application
    Filed: September 29, 2020
    Publication date: February 4, 2021
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Hideki AIZAWA, Satoshi YAMASHITA, Kazutomi MIYOSHI
  • Publication number: 20200265968
    Abstract: The present disclosure relates to a coated carbon nanotube electric wire and a coil, which have excellent electroconductivity that is comparable to a wire made of copper, aluminum, or the like, realize an excellent insulation property and abrasion resistance, further have a heat dissipation ability, and can realize weight reduction. A coated carbon nanotube electric wire (1) includes: a carbon nanotube wire (10) that includes a single or a plurality of carbon nanotube aggregates (11) configured of a plurality of carbon nanotubes (11a); and an insulating coating layer (21) coating the carbon nanotube wire, and a thickness deviation rate of the insulating coating layer (21) is equal to or greater than 50%.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 20, 2020
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Hideki AIZAWA, Michimasa WATANABE, Satoshi YAMAZAKI, Satoshi YAMASHITA, Kenji HATAMOTO
  • Publication number: 20200258653
    Abstract: The present disclosure provides a coated carbon nanotube electric wire that has excellent electroconductivity comparable to electric wires made of copper, aluminum, and the like, achieves marked weight reduction and heat dissipation characteristics, and excels in adhesiveness between an insulating coating and core wire. A coated carbon nanotube electric wire includes a carbon nanotube wire made up of one or more carbon nanotube aggregates formed by a plurality of carbon nanotubes, and an insulating coating layer configured to coat the carbon nanotube wire, in which arithmetic mean roughness (Ra1) of an outer surface of the carbon nanotube wire in a circumferential direction is larger than arithmetic mean roughness (Ra2) of an outer surface of the insulating coating layer in the circumferential direction.
    Type: Application
    Filed: April 27, 2020
    Publication date: August 13, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hideki AIZAWA, Satoshi YAMAZAKI, Satoshi YAMASHITA, Kenji HATAMOTO
  • Publication number: 20200258651
    Abstract: The present disclosure relates to a coated carbon nanotube electric wire that has excellent electroconductivity that is comparable to a wire made of copper, aluminum, or the like, realizes excellent voltage endurance, and can further realize weight reduction. A coated carbon nanotube electric wire includes: a carbon nanotube wire including one or more carbon nanotube aggregates configured of a plurality of carbon nanotubes; and an insulating coating layer coating the carbon nanotube wire, a proportion of a sectional area of the insulating coating layer in a radial direction with respect to a sectional area of the carbon nanotube wire in the radial direction is greater than 1.5, the sectional area of the carbon nanotube wire in the radial direction is equal to or greater than 0.031 mm2, and the sectional area of the insulating coating layer in the radial direction is equal to or greater than 0.049 mm2.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 13, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Satoshi YAMASHITA, Hideki AIZAWA, Satoshi YAMAZAKI
  • Publication number: 20200258656
    Abstract: The present disclosure provides a coated carbon nanotube electric wire that excels in visibility as well as weight reduction, abrasion resistance, and insulation reliability. A coated carbon nanotube electric wire includes a carbon nanotube wire made up of one or more carbon nanotube aggregates formed by a plurality of carbon nanotubes, and an insulating coating layer configured to coat the carbon nanotube wire, in which arithmetic mean roughness (Ra1) of an outer surface of the carbon nanotube wire in a circumferential direction is smaller than arithmetic mean roughness (Ra2) of an outer surface of the insulating coating layer in the circumferential direction.
    Type: Application
    Filed: April 27, 2020
    Publication date: August 13, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Satoshi YAMAZAKI, Satoshi YAMASHITA, Kenji HATAMOTO, Hideki AIZAWA
  • Publication number: 20200258648
    Abstract: The present disclosure relates to a carbon nanotube strand wire capable of realizing electroconductivity that is equivalent to electroconductivity of a wire configured of a core wire made mainly of metal such as copper or aluminum, realizing excellent handling ability, and additionally realizing further weight reduction. A CNT strand wire is obtained by twisting a plurality of CNT wires of a plurality of bundled CNT aggregates configured of a plurality of CNTs together.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 13, 2020
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Satoshi YAMAZAKI, Satoshi YAMASHITA, Kenji HATAMOTO, Hideki AIZAWA
  • Publication number: 20200258652
    Abstract: The present disclosure relates to a carbon nanotube strand wire obtained by twisting a plurality of CNT wires of a plurality of bundled CNT aggregates configured of a plurality of CNTs together. A number of twists t1 of the CNT wires is equal to or greater than 0 and less than 2500 T/m, and a number of twists t2 of the CNT strand wire is greater than 0 and less than 2500 T/m.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 13, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Satoshi YAMAZAKI, Satoshi YAMASHITA, Kenji HATAMOTO, Hideki AIZAWA
  • Publication number: 20200258650
    Abstract: Provided is a coated electric wire that has excellent electroconductivity comparable to a wire made of copper, aluminum, or the like and that exhibits excellent weight reduction and heat dissipation characteristics. A coated carbon nanotube electric wire includes: a carbon nanotube wire including one or more carbon nanotube aggregates configured of a plurality of carbon nanotubes; and an insulating coating layer coating the carbon nanotube wire, and a proportion of a sectional area of the insulating coating layer in a radial direction with respect to a sectional area of the carbon nanotube wire in the radial direction is equal to or greater than 0.001 and equal to or less than 1.5.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 13, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Satoshi YAMASHITA, Hideki AIZAWA, Satoshi YAMAZAKI
  • Publication number: 20200251248
    Abstract: The present disclosure provides a coated carbon nanotube electric wire capable of realizing an excellent insulation property, and additionally realizing excellent adhesiveness, while having excellent electroconductivity comparable to those of wires composed of copper, aluminum and the like. A coated carbon nanotube electric wire includes a carbon nanotube wire composed of a single or a plurality of carbon nanotube aggregates each constituted of a plurality of carbon nanotubes, and an insulating coating layer coating the carbon nanotube wire, wherein an arithmetic mean roughness Ra1 on a peripheral surface of the carbon nanotube wire in a longitudinal direction is larger than 0.05 ?m and not larger than 16 ?m, and an arithmetic mean roughness Ra2 on a peripheral surface of the carbon nanotube wire in a circumferential direction is not smaller than 0.01 ?m and not larger than 4.5 ?m.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Satoshi YAMAZAKI, Satoshi YAMASHITA, Kenji HATAMOTO, Hideki AIZAWA
  • Publication number: 20200251239
    Abstract: The present disclosure relates to a coated carbon nanotube electric wire includes: a carbon nanotube wire including one or more carbon nanotube aggregates configured of a plurality of carbon nanotubes; and an insulating coating layer with which the carbon nanotube wire is coated, and the insulating coating layer is configured of a material with a refractive index nD of equal to or greater than 1.45.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hideki AIZAWA, Satoshi YAMAZAKI, Satoshi YAMASHITA, Kenji HATAMOTO
  • Publication number: 20200251240
    Abstract: The present disclosure relates to a carbon nanotube strand wire capable of realizing further weight reduction as compared with a wire configured of a core wire made mainly of metal such as copper or aluminum and achieving both satisfactory durability in bending and handling ability. A CNT strand wire is obtained by twisting a plurality of CNT wires of a plurality of bundled CNT aggregates configured of a plurality of CNTs together. At least a number of twists t1 of the CNT wires and a number of twists t2 of the CNT strand wire is equal to or greater than 1000 T/m.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Satoshi YAMAZAKI, Satoshi YAMASHITA, Kenji HATAMOTO, Hideki AIZAWA
  • Publication number: 20200251246
    Abstract: The present disclosure relates to a coated carbon nanotube electric wire capable of realizing excellent insulation property, heat dissipation ability, and coating stripping-off ability, and additionally realizing weight reduction while having excellent electroconductivity comparable to those of wires composed of copper, aluminum and the like. A coated carbon nanotube electric wire (1) includes a carbon nanotube wire (10) composed of a single or a plurality of carbon nanotube aggregates (11) each constituted of a plurality of carbon nanotubes (11a), and an insulating coating layer (21) coating the carbon nanotube wire, wherein an arithmetic mean roughness Ra1 on a peripheral surface of the NT wire (10) in a longitudinal direction is not larger than 3.5 ?m, and an arithmetic mean roughness Ra2 on the peripheral surface of the CNT wire (10) in a circumferential direction is not larger than 3.3 ?m.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Satoshi YAMAZAKI, Satoshi YAMASHITA, Kenji HATAMOTO, Hideki AIZAWA
  • Publication number: 20200251245
    Abstract: The present disclosure relates to a coated carbon nanotube electric wire includes: a carbon nanotube wire including one or more carbon nanotube aggregates configured of a plurality of carbon nanotubes; and an insulating coating layer with which the carbon nanotube wire is coated, in which a proportion of a Young's modulus of a material configuring the insulating coating layer with respect to a Young's modulus of the carbon nanotube wire is equal to or greater than 0.001 and equal to or less than 0.01.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hideki AIZAWA, Satoshi YAMAZAKI, Satoshi YAMASHITA, Kenji HATAMOTO
  • Publication number: 20200251247
    Abstract: The present disclosure relates to a coated carbon nanotube electric wire includes: a carbon nanotube wire including one or more carbon nanotube aggregates configured of a plurality of carbon nanotubes; and an insulating coating layer with which the carbon nanotube wire is coated, in which a proportion of a Young's modulus of a material configuring the insulating coating layer with respect to a Young's modulus of the carbon nanotube wire is equal to or greater than 0.0001 and equal to or less than 0.01.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hideki AIZAWA, Satoshi YAMAZAKI, Satoshi YAMASHITA, Kenji HATAMOTO
  • Publication number: 20200251238
    Abstract: Provided is a coated carbon nanotube electric wire superior in identifiability. The coated carbon nanotube electric wire includes: a carbon nanotube wire including one or a plurality of carbon nanotube aggregates formed by a plurality of carbon nanotubes; and an insulating coating layer coating the carbon nanotube wire, wherein the insulating coating layer has an identification mark.
    Type: Application
    Filed: April 24, 2020
    Publication date: August 6, 2020
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hideki AIZAWA, Satoshi YAMAZAKI, Satoshi YAMASHITA, Kenji HATAMOTO
  • Publication number: 20190355490
    Abstract: There is provided a CNTs wire capable of materializing a low resistivity and improving the electroconductivity. The CNT wire is formed from a single CNT aggregate constituted of a plurality of CNTs . . . having a single- or multi-walled structure, or formed by bundling a plurality of the CNT aggregates. The proportion of the total number of the CNTs having a double-walled or triple-walled structure based on the number of the plurality of CNTs constituting the CNT wire is 75% or higher; the proportion of the total number of the CNTs having an average diameter of the innermost wall of 1.7 nm or smaller based on the number of the CNTs constituting the CNT wire is 75% or higher; and the full-width at half maximum ?? in azimuth angle in azimuth intensity distribution by SAXS indicating orientation of the plurality of CNT aggregates is 60° or smaller.
    Type: Application
    Filed: July 31, 2019
    Publication date: November 21, 2019
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Satoshi YAMAZAKI, Yoshinori KAZAMA, Satoshi YAMASHITA, Koji FUJIMURA, Yuudai TANIMURA, Yukako NAKAI, Kazutomi MIYOSHI, Hideki AIZAWA, Kenji HATAMOTO
  • Patent number: 10466234
    Abstract: A method of producing a labeled antibody, including the steps of: a) allowing silica nanoparticles containing a functional molecule and having a thiol group on a surface thereof, and a linker molecule containing a maleimido group and an amino group, to coexist in a solvent to form a thioether bond between the thiol group and the maleimido group, thereby obtaining functional molecule-containing silica nanoparticles on which the linker molecule is bonded; and b) allowing the functional molecule-containing silica nanoparticles on which the linker molecule is bonded, carbodiimide and an antibody to coexist in an aqueous solvent to form an amide bond between the amino group of the linker molecule and a carboxyl group of the antibody.
    Type: Grant
    Filed: August 3, 2015
    Date of Patent: November 5, 2019
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Nobumitsu Yamanaka, Hideki Aizawa, Michio Ohkubo, Kazutomi Miyoshi
  • Patent number: 10392253
    Abstract: A low-resistivity carbon nanotube aggregate includes a plurality of carbon nanotubes each having one or more walls, wherein a ratio of a total number of carbon nanotubes that have two or three walls relative to a total number of said plurality of carbon nanotubes is 75% or greater, and wherein, in a G band of a Raman spectrum in the Raman spectroscopy of the plurality of carbon nanotubes, a G+/Gtotal ratio that is indicative of an amount of semiconductor carbon nanotubes relative to metallic carbon nanotubes is 0.70 or greater.
    Type: Grant
    Filed: February 13, 2018
    Date of Patent: August 27, 2019
    Assignee: Furukawa Electric Co., Ltd.
    Inventors: Masashige Watanabe, Hideki Aizawa, Kazutomi Miyoshi, Satoshi Yamashita, Yoshinori Kazama, Yuudai Tanimura, Koji Fujimura, Morinobu Endo, Kenji Takeuchi, Masatsugu Fujishige
  • Patent number: 10209249
    Abstract: Labelled silica nanoparticles for immunochromatographic reagent, comprising silica nanoparticles containing a labelled substance.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: February 19, 2019
    Assignee: THE FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hideki Aizawa, Michio Ohkubo