Patents by Inventor Kazutomi Miyoshi

Kazutomi Miyoshi 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
  • Patent number: 10545143
    Abstract: Silica particles having a thiol group on a surface thereof, and satisfying the following conditions (a) to (c): (a) a particle diameter is 20 to 1,000 nm; (b) a density of the thiol group on the surface of the silica particles is 0.002 to 0.2 piece/nm2; and (c) a ratio (B/A) in terms of an amount B (piece/particle) of the thiol group existing on the surface of the silica particles to an amount A of sulfur elements in the silica particles (the number of sulfur elements derived from thiol per silica particle) is 0.10 to 0.60.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: January 28, 2020
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masataka Nishida, Nobumitsu Yamanaka, Kazutomi Miyoshi, Michio Ohkubo
  • 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
  • Publication number: 20190170758
    Abstract: A fluorescent labeling particle for detecting a target substance, containing a composite particle having a phase containing a magnetic material and a phase containing a fluorescent material, and a thermoresponsive polymer on a surface of the composite particle.
    Type: Application
    Filed: February 4, 2019
    Publication date: June 6, 2019
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masataka NISHIDA, Michio OHKUBO, Kazutomi MIYOSHI, Masayuki FUKUSHIMA
  • Patent number: 10203326
    Abstract: A method of detecting a target substance, containing the steps of: incorporating labeling particles into a test liquid containing an analyte; heating the test liquid; irradiating the test liquid with excitation light, and detecting the target substance contained in the test liquid depending on a state of light emission of the labeling particles; wherein an aggregation state of the labeling particles is changed by the heating step; and wherein the labeling particles have a thermoresponsive polymer on a surface of a composite particle containing a magnetic material and a fluorescent material, and further have a biomolecule having properties of binding with the target substance.
    Type: Grant
    Filed: April 1, 2016
    Date of Patent: February 12, 2019
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masayuki Fukushima, Michio Ohkubo, Kazutomi Miyoshi, Masataka Nishida
  • Publication number: 20190011442
    Abstract: The purpose of the present invention is to provide: a method for detecting a substance of interest and a method for quantifying a substance of interest, whereby it becomes possible to detect or quantify the substance of interest properly using a reagent that can be produced with high yield; a kit; and a method for preparing a regent.
    Type: Application
    Filed: December 28, 2015
    Publication date: January 10, 2019
    Inventors: Masayuki Fukushima, Masataka Nishida, Michio Ohkubo, Kazutomi Miyoshi
  • Publication number: 20180348228
    Abstract: Provided is a method by which the quantity of objects to be detected can be quickly determined with high sensitivity. The method of determining the quantity of objects to be detected in a specimen comprises: a mixing step for preparing a mixture by mixing the specimen and carrier particles that carry stimulus-responsive substances and a first affinity substance for the objects to be detected; a measurement step for placing the mixture under the condition that the stimulus-responsive substances aggregate, and measuring the particle diameter of a suspended solid in the mixture; and a determination step for determining, on the basis of the particle diameter, the quantity of the objects to be detected.
    Type: Application
    Filed: November 25, 2016
    Publication date: December 6, 2018
    Inventors: Satoru Sugita, Masayuki Fukushima, Masataka Nishida, Michio Ohkubo, Kazutomi Miyoshi
  • Patent number: 10036750
    Abstract: An immunochromatography for multi-item detection is provided which contains detecting and measuring fluorescence and light absorption respectively at once with a detection device. The immunochromatography contains using fluorescent particles and light absorbing particles, wherein the fluorescence excitation wavelength of the fluorescent particles and the absorption wavelength of the light absorbing particles are in the same wavelength region; and detecting and measuring, at once, the intensity of reflected light from a test area, the intensity of reflected light from another test area, and the intensity of reflected light from a non-test area other than the test areas.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: July 31, 2018
    Assignee: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hideki Aizawa, Michio Ohkubo, Kazutomi Miyoshi
  • Publication number: 20180170757
    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: Application
    Filed: February 13, 2018
    Publication date: June 21, 2018
    Applicant: 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
  • Publication number: 20160291003
    Abstract: A method of detecting a target substance, containing the steps of: incorporating labeling particles into a test liquid containing an analyte; heating the test liquid; irradiating the test liquid with excitation light, and detecting the target substance contained in the test liquid depending on a state of light emission of the labeling particles; wherein an aggregation state of the labeling particles is changed by the heating step; and wherein the labeling particles have a thermoresponsive polymer on a surface of a composite particle containing a magnetic material and a fluorescent material, and further have a biomolecule having properties of binding with the target substance.
    Type: Application
    Filed: April 1, 2016
    Publication date: October 6, 2016
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masayuki FUKUSHIMA, Michio OHKUBO, Kazutomi MIYOSHI, Masataka NISHIDA
  • Publication number: 20160216273
    Abstract: A fluorescent labeling particle for detecting a target substance, containing a composite particle having a phase containing a magnetic material and a phase containing a fluorescent material, and a thermoresponsive polymer on a surface of the composite particle.
    Type: Application
    Filed: April 1, 2016
    Publication date: July 28, 2016
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masataka NISHIDA, Michio OHKUBO, Kazutomi MIYOSHI, Masayuki FUKUSHIMA
  • Publication number: 20160209410
    Abstract: A test piece for immunochromatography, containing an aggregation inhibiting pad, a conjugate pad, and a membrane, in which the membrane contains a test area for capturing a target substance, the aggregation inhibiting pad contains a desalting agent, and the conjugate pad contains a labeling agent.
    Type: Application
    Filed: January 5, 2016
    Publication date: July 21, 2016
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masayuki FUKUSHIMA, Michio OHKUBO, Kazutomi MIYOSHI, Takanari SEKINE
  • Publication number: 20160153981
    Abstract: Silica particles having a thiol group on a surface thereof, and satisfying the following conditions (a) to (c): (a) a particle diameter is 20 to 1,000 nm; (b) a density of the thiol group on the surface of the silica particles is 0.002 to 0.2 piece/nm2; and (c) a ratio (B/A) in terms of an amount B (piece/particle) of the thiol group existing on the surface of the silica particles to an amount A of sulfur elements in the silica particles (the number of sulfur elements derived from thiol per silica particle) is 0.10 to 0.60.
    Type: Application
    Filed: February 4, 2016
    Publication date: June 2, 2016
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Masataka NISHIDA, Nobumitsu YAMANAKA, Kazutomi MIYOSHI, Michio OHKUBO
  • Publication number: 20150338395
    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: Application
    Filed: August 3, 2015
    Publication date: November 26, 2015
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Nobumitsu YAMANAKA, Hideki AIZAWA, Michio OHKUBO, Kazutomi MIYOSHI
  • Publication number: 20150268239
    Abstract: An immunochromatography for multi-item detection is provided which contains detecting and measuring fluorescence and light absorption respectively at once with a detection device. The immunochromatography contains using fluorescent particles and light absorbing particles, wherein the fluorescence excitation wavelength of the fluorescent particles and the absorption wavelength of the light absorbing particles are in the same wavelength region; and detecting and measuring, at once, the intensity of reflected light from a test area, the intensity of reflected light from another test area, and the intensity of reflected light from a non-test area other than the test areas.
    Type: Application
    Filed: March 31, 2015
    Publication date: September 24, 2015
    Applicant: FURUKAWA ELECTRIC CO., LTD.
    Inventors: Hideki AIZAWA, Michio OHKUBO, Kazutomi MIYOSHI
  • Patent number: 8980428
    Abstract: Porous silicon particles and complex porous silicon particles suitable for negative electrode materials etc. for lithium-ion batteries, which achieve high capacity and good cycling characteristics, are provided. Porous silicon particles formed by the joining of a plurality of silicon microparticles, and having an average particle diameter of 0.1 ?m to 1000 ?m, a three-dimensional network structure having continuous gaps, an average porosity of 15 to 93%, and a structure in which the particles of a whole particle are uniform. Complex porous silicon particles formed by the joining of a plurality of silicon microparticles and a plurality of silicon compound particles, and characterized by containing a compound of silicon and composite elements, having an average particle diameter of 0.1 ?m to 1000 ?m, and having a three-dimensional network structure having continuous gaps.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: March 17, 2015
    Assignees: Furukawa Electric Co., Ltd., Tohoku Techno Arch Co., Ltd.
    Inventors: Hirokazu Yoshida, Kazutomi Miyoshi, Kazuhiko Kurusu, Toshio Tani, Koji Hataya, Takeshi Nishimura, Hidemi Kato, Takeshi Wada
  • Publication number: 20140374146
    Abstract: A metal nanonetwork includes metal nanostructures that are joined by metallic bond. The joined part between the metal nanostructures includes a fillet part. In the joined part between the metal nanostructures, the distance between the central axis of one metal nanostructure and the central axis of another metal nanostructure is smaller than the sum of the radii of both metal nanostructures. The metal nanostructure is a metal nanowire. A first method for producing the metal nanonetwork includes a process of forming an oxide film on the outermost surface of the metal nanostructure, and a process of reducing the oxide film at the joined parts of a plurality of the metal nanostructures to thereby join the metal nanostructures.
    Type: Application
    Filed: September 11, 2014
    Publication date: December 25, 2014
    Inventors: Naoyuki SAITO, Takuya HARADA, Nobumitsu YAMANAKA, Kazutomi MIYOSHI, Michio OHKUBO, Hiroshi IKEDA