Patents by Inventor Kenji HATAMOTO

Kenji HATAMOTO 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: 20220013927
    Abstract: To provide a connected structure of a substrate and an electric wire with high connection reliability even when a carbon nanotube wire with an average diameter of 0.05 mm to 3.00 mm is used as the electric wire. The connected structure of the substrate and the carbon nanotube wire includes a substrate; a carbon nanotube wire made of one or more carbon nanotube aggregates each including a plurality of carbon nanotubes, the carbon nanotube wire having an average diameter of 0.05 mm to 3.00 mm; a conductive fixing member, part of which is provided between the substrate and the carbon nanotube wire; and a conductive member that electrically connects the carbon nanotube wire and the fixing member.
    Type: Application
    Filed: September 24, 2021
    Publication date: January 13, 2022
    Applicant: Furukawa Electric Co., Ltd.
    Inventors: Satoshi YAMASHITA, Kenji HATAMOTO
  • 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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: 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