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).
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Patent number: 11664135Abstract: 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: GrantFiled: September 29, 2020Date of Patent: May 30, 2023Assignee: Furukawa Electric Co., Ltd.Inventors: Hideki Aizawa, Satoshi Yamashita, Kazutomi Miyoshi
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Publication number: 20220021257Abstract: 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: ApplicationFiled: September 28, 2021Publication date: January 20, 2022Applicant: Furukawa Electric Co., Ltd.Inventors: Hideki AIZAWA, Satoshi YAMASHITA, Kazutomi MIYOSHI
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Publication number: 20210035706Abstract: 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: ApplicationFiled: September 29, 2020Publication date: February 4, 2021Applicant: Furukawa Electric Co., Ltd.Inventors: Hideki AIZAWA, Satoshi YAMASHITA, Kazutomi MIYOSHI
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Patent number: 10545143Abstract: 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: GrantFiled: February 4, 2016Date of Patent: January 28, 2020Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Masataka Nishida, Nobumitsu Yamanaka, Kazutomi Miyoshi, Michio Ohkubo
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Publication number: 20190355490Abstract: 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: ApplicationFiled: July 31, 2019Publication date: November 21, 2019Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Satoshi YAMAZAKI, Yoshinori KAZAMA, Satoshi YAMASHITA, Koji FUJIMURA, Yuudai TANIMURA, Yukako NAKAI, Kazutomi MIYOSHI, Hideki AIZAWA, Kenji HATAMOTO
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Patent number: 10466234Abstract: 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: GrantFiled: August 3, 2015Date of Patent: November 5, 2019Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Nobumitsu Yamanaka, Hideki Aizawa, Michio Ohkubo, Kazutomi Miyoshi
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Patent number: 10392253Abstract: 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: GrantFiled: February 13, 2018Date of Patent: August 27, 2019Assignee: 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
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Publication number: 20190170758Abstract: 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: ApplicationFiled: February 4, 2019Publication date: June 6, 2019Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masataka NISHIDA, Michio OHKUBO, Kazutomi MIYOSHI, Masayuki FUKUSHIMA
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Patent number: 10203326Abstract: 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: GrantFiled: April 1, 2016Date of Patent: February 12, 2019Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Masayuki Fukushima, Michio Ohkubo, Kazutomi Miyoshi, Masataka Nishida
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Publication number: 20190011442Abstract: 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: ApplicationFiled: December 28, 2015Publication date: January 10, 2019Inventors: Masayuki Fukushima, Masataka Nishida, Michio Ohkubo, Kazutomi Miyoshi
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Publication number: 20180348228Abstract: 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: ApplicationFiled: November 25, 2016Publication date: December 6, 2018Inventors: Satoru Sugita, Masayuki Fukushima, Masataka Nishida, Michio Ohkubo, Kazutomi Miyoshi
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Patent number: 10036750Abstract: 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: GrantFiled: March 31, 2015Date of Patent: July 31, 2018Assignee: FURUKAWA ELECTRIC CO., LTD.Inventors: Hideki Aizawa, Michio Ohkubo, Kazutomi Miyoshi
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Publication number: 20180170757Abstract: 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: ApplicationFiled: February 13, 2018Publication date: June 21, 2018Applicant: 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
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Publication number: 20160291003Abstract: 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: ApplicationFiled: April 1, 2016Publication date: October 6, 2016Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masayuki FUKUSHIMA, Michio OHKUBO, Kazutomi MIYOSHI, Masataka NISHIDA
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Publication number: 20160216273Abstract: 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: ApplicationFiled: April 1, 2016Publication date: July 28, 2016Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masataka NISHIDA, Michio OHKUBO, Kazutomi MIYOSHI, Masayuki FUKUSHIMA
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Publication number: 20160209410Abstract: 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: ApplicationFiled: January 5, 2016Publication date: July 21, 2016Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masayuki FUKUSHIMA, Michio OHKUBO, Kazutomi MIYOSHI, Takanari SEKINE
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Publication number: 20160153981Abstract: 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: ApplicationFiled: February 4, 2016Publication date: June 2, 2016Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Masataka NISHIDA, Nobumitsu YAMANAKA, Kazutomi MIYOSHI, Michio OHKUBO
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Publication number: 20150338395Abstract: 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: ApplicationFiled: August 3, 2015Publication date: November 26, 2015Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Nobumitsu YAMANAKA, Hideki AIZAWA, Michio OHKUBO, Kazutomi MIYOSHI
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Publication number: 20150268239Abstract: 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: ApplicationFiled: March 31, 2015Publication date: September 24, 2015Applicant: FURUKAWA ELECTRIC CO., LTD.Inventors: Hideki AIZAWA, Michio OHKUBO, Kazutomi MIYOSHI
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Patent number: 8980428Abstract: 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: GrantFiled: March 12, 2013Date of Patent: March 17, 2015Assignees: 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