Patents by Inventor Kiyoshi Kanie
Kiyoshi Kanie 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: 11952508Abstract: Provided are ITO particles having a non-rectangular parallelepiped shape and an aligned crystal orientation inside particles.Type: GrantFiled: July 14, 2020Date of Patent: April 9, 2024Assignees: TOHOKU UNIVERSITY, NIKON CORPORATIONInventors: Atsushi Muramatsu, Kiyoshi Kanie, Ryoko Suzuki
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Publication number: 20230357011Abstract: A method for manufacturing Group-III nitride semiconductor nanoparticles includes synthesizing Group-III nitride semiconductor nanoparticles having a particle size of 16 nm or less by reacting materials containing one or more Group-III elements M in a liquid phase, wherein a coordination solvent is used, and trimethyl M is used as at least one Group-III element material among the materials containing one or more Group-III elements M.Type: ApplicationFiled: September 13, 2021Publication date: November 9, 2023Applicant: STANLEY ELECTRIC CO., LTD.Inventors: Takuya KAZAMA, Wataru TAMURA, Yasuyuki MIYAKE, Kenji MORIYAMA, Atsushi MURAMATSU, Kiyoshi KANIE
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Patent number: 11767469Abstract: Provided are group-III nitride nanoparticles that prevent the piezoelectric field caused by strains on the nanoparticles, achieving good luminous efficiency. The group-III nitride nanoparticle represented by AlxGayInzN (0?x, y, z?1) incorporating two crystal structures; a wurtzite structure and a zincblende structure, in a single particle. As another example, the group-III nitride nanoparticle has a core-shell structure with a core and a shell, in which the particle constituting the core contains two crystal structures; the wurtzite structure and the zincblende structure, in the particle. Nanoparticles containing the two crystal structures can be produced by using a phosphorus-containing solvent as a reaction solvent, and the mixture ratio of the two crystal structures, (wurtzite structure)/(zincblende structure), is 20/80 or higher.Type: GrantFiled: September 29, 2021Date of Patent: September 26, 2023Assignee: STANLEY ELECTRIC CO., LTD.Inventors: Takuya Kazama, Wataru Tamura, Yasuyuki Miyake, Takayuki Omori, Atsushi Muramatsu, Kiyoshi Kanie
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Publication number: 20230257281Abstract: A LiMnO2 production method includes generating cubic crystal LiMnO2 nanoparticles by adding an organic solvent, manganese oxide nanoparticles, and lithium amide in a reaction vessel and heating in an inert atmosphere. and a washing and recovering the generated particles. Wurtzite type MnO nanoparticles are preferably used as the manganese oxide. As a result, LiMnO2 nanoparticles that have a substantially similar particle size to wurtzite type MnO nanoparticles can be obtained from an Mn raw material. Nanoparticles having a hollow structure can be obtained by controlling the reaction temperature.Type: ApplicationFiled: August 3, 2021Publication date: August 17, 2023Applicants: STANLEY ELECTRIC CO., LTD., TOHOKU UNIVERSITYInventors: Masafumi NAKAYA, Takuya KAZAMA, Wataru TAMURA, Yasuyuki MIYAKE, Atsushi MURAMATSU, Kiyoshi KANIE
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Patent number: 11692104Abstract: Provided is ITO particles satisfying a relationship expressed in Expression (1) given below. 16×S/P2?0.330 . . . (1) (In the expression, S indicates a particle area in a TEM photographed image, and P indicates a perimeter of the particle).Type: GrantFiled: July 14, 2020Date of Patent: July 4, 2023Assignees: TOHOKU UNIVERSITY, NIKON CORPORATIONInventors: Atsushi Muramatsu, Kiyoshi Kanie, Ryoko Suzuki, Yasutaka Nishi, Makoto Nakazumi
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Publication number: 20230166980Abstract: Gallium-doped zinc oxide particles having an average particle diameter of from >0 nm to 30 nm and a resistivity of from 0.08 M?·cm to 1.4 M?·cm.Type: ApplicationFiled: December 6, 2022Publication date: June 1, 2023Applicants: TOHOKU UNIVERSITY, NIKON CORPORATIONInventors: Kiyoshi KANIE, Atsushi MURAMATSU, Yasutaka NISHI, Ryoko SUZUKI
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Publication number: 20220388862Abstract: Single-phase manganese oxide particles having a wurtzite crystal structure. The particles can be obtained by thermally decomposing a compound containing manganese. In this procedure, a reducing agent consisting of at least one of a polyol-based material and an ethylene glycol stearate-based material is added as an additive to the reaction system. It is heated at a first temperature (200° C. or lower) under a reduced pressure atmosphere, then the temperature is raised, and the product is heated at a temperature higher than the first temperature under an inert gas atmosphere.Type: ApplicationFiled: November 9, 2020Publication date: December 8, 2022Applicant: STANLEY ELECTRIC CO., LTD.Inventors: Takuya KAZAMA, Wataru TAMURA, Yasuyuki MIYAKE, Kenji MORIYAMA, Atsushi MURAMATSU, Kiyoshi KANIE
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Publication number: 20220098480Abstract: Provided are group-III nitride nanoparticles that prevent the piezoelectric field caused by strains on the nanoparticles, achieving good luminous efficiency. The group-III nitride nanoparticle represented by AlxGayInzN (0?x, y, z?1) incorporating two crystal structures; a wurtzite structure and a zincblende structure, in a single particle. As another example, the group-III nitride nanoparticle has a core-shell structure with a core and a shell, in which the particle constituting the core contains two crystal structures; the wurtzite structure and the zincblende structure, in the particle. Nanoparticles containing the two crystal structures can be produced by using a phosphorus-containing solvent as a reaction solvent, and the mixture ratio of the two crystal structures, (wurtzite structure)/(zincblende structure), is 20/80 or higher.Type: ApplicationFiled: September 29, 2021Publication date: March 31, 2022Applicant: STANLEY ELECTRIC CO., LTD.Inventors: Takuya KAZAMA, Wataru TAMURA, Yasuyuki MIYAKE, Takayuki OMORI, Atsushi MURAMATSU, Kiyoshi KANIE
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Publication number: 20210002495Abstract: Provided is ITO particles satisfying a relationship expressed in Expression (1) given below. 16×S/P2?0.330 . . . (1) (In the expression, S indicates a particle area in a TEM photographed image, and P indicates a perimeter of the particle.Type: ApplicationFiled: July 14, 2020Publication date: January 7, 2021Applicants: TOHOKU UNIVERSITY, NIKON CORPORATIONInventors: Atsushi Muramatsu, Kiyoshi Kanie, Ryoko Suzuki, Yasutaka Nishi, Makoto Nakazumi
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Publication number: 20210002494Abstract: Provided are ITO particles having a non-rectangular parallelepiped shape and an aligned crystal orientation inside particles.Type: ApplicationFiled: July 14, 2020Publication date: January 7, 2021Applicants: TOHOKU UNIVERSITY, NIKON CORPORATIONInventors: Atsushi Muramatsu, Kiyoshi Kanie, Ryoko Suzuki
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Patent number: 9272921Abstract: Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of the particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. One of specifically disclosed is a method of producing a substantially rectangular cuboid particulate alkali metal niobate represented by MNbO3 (1), wherein M represents one element selected from alkaline metals, including specific four steps. Another one of specifically disclosed is particulate alkali metal niobate represented by the formula (1) having a substantially rectangular cuboid shape, wherein the substantially rectangular cuboid shape has a longest side and a shortest side, the length of the longest side represented by an index Lmax is 0.10 to 25 ?m, and the length of the shortest side represented by an index Lmin is 0.050 to 15 ?m.Type: GrantFiled: February 27, 2014Date of Patent: March 1, 2016Assignees: Sakai Chemical Industry Co., Ltd., TOHOKU University, Fuji Ceramics CorporationInventors: Atsushi Muramatsu, Kiyoshi Kanie, Atsuki Terabe, Yasuhiro Okamoto, Hideto Mizutani, Satoru Sueda, Hirofumi Takahashi
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Patent number: 8920924Abstract: Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of particles of the fine particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. Specifically disclosed are a method of producing particulate sodium-potassium niobate represented by the formula (1): NaxK(1-x)NbO3 (1), the method including four specific steps, wherein a high-concentration alkaline solution containing Na+ ion and K+ ion is used as an alkaline solution; and particulate sodium-potassium niobate having a controlled shape and size.Type: GrantFiled: April 5, 2010Date of Patent: December 30, 2014Assignees: Sakai Chemical Industry Co., Ltd., TOHOKU University, Fuji Ceramics CorporationInventors: Atsushi Muramatsu, Kiyoshi Kanie, Atsuki Terabe, Yasuhiro Okamoto, Hideto Mizutani, Satoru Sueda, Hirofumi Takahashi
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Publication number: 20140315024Abstract: Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of the particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. One of specifically disclosed is a method of producing a substantially rectangular cuboid particulate alkali metal niobate represented by MNbO3 (1), wherein M represents one element selected from alkaline metals, including specific four steps. Another one of specifically disclosed is particulate alkali metal niobate represented by the formula (1) having a substantially rectangular cuboid shape, wherein the substantially rectangular cuboid shape has a longest side and a shortest side, the length of the longest side represented by an index Lmax is 0.10 to 25 ?m, and the length of the shortest side represented by an index Lmin is 0.050 to 15 ?m.Type: ApplicationFiled: February 27, 2014Publication date: October 23, 2014Applicants: Sakai Chemical Industry Co., Ltd., Fuji Ceramics Corporation, TOHOKU UniversityInventors: Atsushi MURAMATSU, Kiyoshi KANIE, Atsuki TERABE, Yasuhiro OKAMOTO, Hideto MIZUTANI, Satoru SUEDA, Hirofumi TAKAHASHI
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Patent number: 8771618Abstract: Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of the particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. One of specifically disclosed is a method of producing a substantially rectangular cuboid particulate alkali metal niobate represented by MNbO3 (1), wherein M represents one element selected from alkaline metals, including specific four steps. Another one of specifically disclosed is particulate alkali metal niobate represented by the formula (1) having a substantially rectangular cuboid shape, wherein the substantially rectangular cuboid shape has a longest side and a shortest side, the length of the longest side represented by an index Lmax is 0.10 to 25 ?m, and the length of the shortest side represented by an index Lmin is 0.050 to 15 ?m.Type: GrantFiled: April 5, 2010Date of Patent: July 8, 2014Assignees: Sakai Chemical Industry Co., Ltd., TOHOKU University, Fuji Ceramics CorporationInventors: Atsushi Muramatsu, Kiyoshi Kanie, Atsuki Terabe, Yasuhiro Okamoto, Hideto Mizutani, Satoru Sueda, Hirofumi Takahashi
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Publication number: 20140103246Abstract: Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of particles of the fine particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. Specifically disclosed are a method of producing particulate sodium-potassium niobate represented by the formula (1): NaxK(1-x)NbO3 (1), the method including four specific steps, wherein a high-concentration alkaline solution containing Na+ ion and K+ ion is used as an alkaline solution; and particulate sodium-potassium niobate having a controlled shape and size.Type: ApplicationFiled: December 19, 2013Publication date: April 17, 2014Applicants: Sakai Chemical Industry Co., Ltd., Fuji Ceramics Corporation, TOHOKU UniversityInventors: Atsushi MURAMATSU, Kiyoshi KANIE, Atsuki TERABE, Yasuhiro OKAMOTO, Hideto MIZUTANI, Satoru SUEDA, Hirofumi TAKAHASHI
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Patent number: 8524122Abstract: A production method capable of producing ITO particles without using a solvent with a high boiling point as a solvent used in the producing step by a simple treatment method without through a heating process in an atmosphere which disadvantageously causes sintering among the ITO particles to coarsen the ITO particles. An ITO powder suitable for a coating material for a transparent electroconductive material, being produced by a first step of dissolving salt containing indium and salt containing tin into an organic solvent, then adding to this organic solvent, an organic solvent containing a basic precipitant, to thereby manufacture a mixture of a precursor containing indium and tin, and the organic solvent; and a second step of applying heat treatment to the mixture of the precursor containing indium and tin, and the organic solvent in a pressurizing vessel at 200° C. or more and 300° C. or less, to generate ITO particles.Type: GrantFiled: June 30, 2009Date of Patent: September 3, 2013Assignees: Tohoku University, Dowa Electronics Materials Co., Ltd.Inventors: Atsushi Muramatsu, Kiyoshi Kanie, Kazuhisa Saito, Koji Tanoue, Akira Nagatomi
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Publication number: 20120094126Abstract: Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of particles of the fine particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. Specifically disclosed are a method of producing particulate sodium-potassium niobate represented by the formula (1): NaxK(1-x)NbO3 (1), the method including four specific steps, wherein a high-concentration alkaline solution containing Na+ ion and K+ ion is used as an alkaline solution; and particulate sodium-potassium niobate having a controlled shape and size.Type: ApplicationFiled: April 5, 2010Publication date: April 19, 2012Applicants: SAKAI CHEMICAL INDUSTRY CO., LTD., FUJI CERAMICS CORPORATION, TOHOKU UNIVERSITYInventors: Atsushi Muramatsu, Kiyoshi Kanie, Atsuki Terabe, Yasuhiro Okamoto, Hideto Mizutani, Satoru Sueda, Hirofumi Takahashi
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Publication number: 20120064344Abstract: Disclosed are a method of producing fine particulate alkali metal niobate in a liquid phase system, wherein the size and shape of the particulate alkali metal niobate can be controlled; and fine particulate alkali metal niobate having a controlled shape and size. One of specifically disclosed is a method of producing a substantially rectangular cuboid particulate alkali metal niobate represented by MNbO3 (1), wherein M represents one element selected from alkaline metals, including specific four steps. Another one of specifically disclosed is particulate alkali metal niobate represented by the formula (1) having a substantially rectangular cuboid shape, wherein the substantially rectangular cuboid shape has a longest side and a shortest side, the length of the longest side represented by an index Lmax is 0.10 to 25 ?m, and the length of the shortest side represented by an index Lmin is 0.050 to 15 ?m.Type: ApplicationFiled: April 5, 2010Publication date: March 15, 2012Applicants: SAKAI CHEMICAL INDUSTRY CO., LTD., FUJI CERAMICS CORPORATION, TOHOKU UNIVERSITYInventors: Atsushi Muramatsu, Kiyoshi Kanie, Atsuki Terabe, Yasuhiro Okamoto, Hideto Mizutani, Satoru Sueda, Hirofumi Takahashi
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Publication number: 20110175041Abstract: ITO powder and a producing method of the same, capable of producing ITO particles without using a solvent with a high boiling point by a simple treatment method without a heating process in an atmosphere which causes sintering. Also, an ITO powder is provided, which is suitable for a coating material for a transparent electroconductive material, the ITO powder being produced by a first step of dissolving salt containing indium and salt containing tin into an organic solvent, then adding to this organic solvent, an organic solvent containing a basic precipitant, to manufacture a precursor; and a second step of applying heat treatment to the precursor in a pressurizing vessel, to thereby generate ITO particles.Type: ApplicationFiled: June 30, 2009Publication date: July 21, 2011Applicants: TOHOKU UNIVERSITY, DOWA ELECTRONICS MATERIALS CO., LTD.Inventors: Atsushi Muramatsu, Kiyoshi Kanie, Kazuhisa Saito, Koji Tanoue, Akira Nagatomi
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Patent number: 7166238Abstract: A novel liquid-crystalline ionic conductor, which is useful in the electric, electronic, chemical and bioengineering fields, as an anisotropic reaction solvent, ionic conductor, electric field-responsible conductor or the like, and a method for producing the same, is provided. The liquid-crystalline ionic conductor is obtained by mixing an organic molten salt with a-liquid-crystalline organic molecule or a liquid-crystalline inorganic molecule, which comprises a moiety miscible to the organic molten salt and a moiety that shows liquid-crystalline orientation, thereby forming a liquid-crystalline ionic conductor, wherein the organic molten salt is assembled to the liquid-crystalline molecule.Type: GrantFiled: September 14, 2005Date of Patent: January 23, 2007Assignee: Japan Science and Technology CorporationInventors: Takashi Kato, Kiyoshi Kanie, Masafumi Yoshio, Hiroyuki Ohno, Masahiro Yoshizawa