Patents Assigned to Shoei Chemicals Inc.
  • Publication number: 20170011825
    Abstract: An object of the present invention is to provide a thick film resistor excluding a toxic lead component from a conductive component and glass and having characteristics equivalent to or superior to conventional resistors in terms of, in a wide resistance range, resistance values, TCR characteristics, current noise characteristics, withstand voltage characteristics and the like. The present invention is a thick film resistor formed of a fired product of a resistive composition, wherein the thick film resistor contains ruthenium-based conductive particles containing ruthenium dioxide and a glass component being essentially free of a lead component and has a resistance value in the range of 100 ?/? to 10 M?/? and a temperature coefficient of resistance within ±100 ppm/° C.
    Type: Application
    Filed: August 20, 2015
    Publication date: January 12, 2017
    Applicant: Shoei Chemical Inc.
    Inventors: Hiroshi MASHIMA, Yukari MOROFUJI
  • Publication number: 20160284889
    Abstract: A conductive paste for a solar cell element front surface electrode that is used to form a front surface electrode of a solar cell element that is provided with a semiconductor substrate, an antireflective film disposed in a first region on one main surface of the semiconductor substrate, and a front surface electrode disposed in a second region on the one main surface of the semiconductor substrate. The conductive paste contains a conductive powder, a mixed glass frit, and an organic vehicle in which the mixed glass frit contains, in the form of mixture, a tellurium-based glass frit containing tellurium, tungsten, and bismuth as essential components and a lead-bismuth-based glass frit that contains lead and bismuth as essential components and that substantially does not contain tellurium.
    Type: Application
    Filed: March 20, 2014
    Publication date: September 29, 2016
    Applicant: Shoei Chemical Inc.
    Inventors: Yuji AKIMOTO, Tadashi KANASAKU, Kousuke NISHIMURA, Yoshio MIURA
  • Patent number: 9375789
    Abstract: A plasma device for production of metal powder includes a reaction vessel, a plasma torch, a carrier gas supply unit and a cooling tube. A metal starting material is supplied to the vessel. The torch produces plasma between the torch and the metal starting material to evaporate the metal starting material and produce a metal vapor. The supply unit supplies into the vessel a carrier gas for carrying the metal vapor. The cooling tube is provided with indirect and direct cooling sections and cools the metal vapor transferred from the vessel to produce the metal powder. The metal vapor and/or the metal powder are indirectly cooled in the indirect cooling section and directly cooled in the direct cooling section. A projection and/or a recess are disposed at least on a part of an inner wall of the indirect cooling section.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: June 28, 2016
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Fumiyuki Shimizu, Masayuki Maekawa, Shusaku Kawaguchi
  • Patent number: 9379379
    Abstract: A cathode material for a lithium ion secondary battery is a composite grain including an oxide and a carbon material. The oxide includes, as constituent elements, Li, Si and at least one of Fe and Mn. According to a measurement by an X-ray diffraction method using Cu-K? as an X-ray source, a diffraction peak exists within a range of 2?=33±2° and a half width of the diffraction peak is 0.55° or more. A size of the grain is 1 ?m or more and 20 ?m or less.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: June 28, 2016
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Masahiko Miyahara, Atsushi Nemoto, Hirokazu Sasaki
  • Patent number: 9379413
    Abstract: An electrolyte solvent for a cathode active material composed of lithium oxo acid salt. The solvent is used for a lithium ion secondary battery using the lithium oxo acid salt as a cathode material. The electrolyte solvent includes an ammonium ion which includes two or more alkoxyalkyl groups.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: June 28, 2016
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Li Yang, Shaohua Fang
  • Patent number: 9287054
    Abstract: Provided is a solid electrolytic capacitor element which is reduced in ESR deterioration due to thermal shock and suppressed in variation in ESR changes, while having good initial characteristics of ESR. This solid electrolytic capacitor element is provided, on the surface of an anode body, with at least a dielectric layer, a solid electrolyte layer, a carbon layer that contains a first resin component and a conductive layer that contains a second resin component. Both of the first resin component and the second resin component have a hydroxyl group, and the difference ??h (=?h2??h1) between the hydrogen-bonding component value ?h1 [mN/m] of the carbon layer surface and the hydrogen-bonding component value ?h2 [mN/m] of the conductive layer surface is within the range of ?3???h?3 [mN/m].
    Type: Grant
    Filed: November 27, 2012
    Date of Patent: March 15, 2016
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Takashi Endo, Tomeji Ohno, Masami Akagi, Tomoko Uchida
  • Patent number: 9246172
    Abstract: A cathode material for a lithium ion secondary battery includes an oxide represented by a composition formula Li2-xMIIyM(Si,MB)O4, wherein MII represents a divalent element; M represents at least one element selected from the group consisting of Fe, Mn, Co and Ni; and MB represents, as an optional component, an element substituted for Si to compensate for a difference between an electric charge of [Li2]2+ and an electric change of [Li2-xMIIy]n+ as needed. In the composition formula representing the oxide, x and y are ?0.25<x?0.25 and 0<y?0.25.
    Type: Grant
    Filed: September 14, 2012
    Date of Patent: January 26, 2016
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Hirokazu Sasaki, Atsushi Nemoto, Masahiko Miyahara
  • Patent number: 9236611
    Abstract: Provided is a cathode material for a lithium ion secondary battery that includes a composite grain formed of lithium iron silicate crystals or lithium manganese silicate crystals and a carbon material. The composite grain has a sea-islands structure in which the lithium iron silicate crystals or lithium manganese silicate crystals are scattered like islands in the carbon material, and the islands have an average value of circle-equivalent diameter of smaller than 15 nm.
    Type: Grant
    Filed: July 2, 2012
    Date of Patent: January 12, 2016
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Atsushi Nemoto, Yuki Matsuda, Hirokazu Sasaki
  • Patent number: 9209460
    Abstract: A cathode material for a lithium ion secondary battery includes an oxide represented by a composition formula Li2+x(M,MA)(Si,MB)O4, wherein M represents at least one element selected from the group consisting of Fe, Mn, Co and Ni; MA and MB represent elements substituted for parts of M and Si, respectively, to compensate for an electric charge equivalent to x of Li+; and at least one of MA and MB is included. In the composition formula representing the oxide, 0<x?0.25.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: December 8, 2015
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Atsushi Nemoto, Hirokazu Sasaki, Masahiko Miyahara
  • Patent number: 9162288
    Abstract: Fine, highly-crystallized metal powder is produced at low cost and high efficiency by a method involving: ejecting raw material powder composed of one or more kinds of thermally decomposable metal compound powders into a reaction vessel through a nozzle together with a carrier gas and producing a metal powder by heating the raw material powder at a temperature T2 which is higher than the decomposition temperature of the raw material powder and not lower than (Tm?200°) C. where Tm is the melting point (° C.) of the metal to be produced, while allowing the raw material powder to pass through the reaction vessel in a state where the raw material powder is dispersed in a gas phase at a concentration of 10 g/liter or less, wherein an ambient temperature T1 of a nozzle opening part is set to a temperature of 400° C. or higher and lower than (Tm?200°) C.
    Type: Grant
    Filed: August 31, 2012
    Date of Patent: October 20, 2015
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Yuji Akimoto, Kazuro Nagashima, Hidenori Ieda, Masayuki Maekawa
  • Publication number: 20150246342
    Abstract: There is provided a catalyst for hydrocarbon reforming having a high deposition suppressing effect with respect to a carbonaceous material on the catalyst surface even in a case where a reforming material including carbon dioxide, in particular, formed of only carbon dioxide is used in a reforming reaction, a method of manufacturing the same, and a method of manufacturing a synthesis gas using the catalyst.
    Type: Application
    Filed: February 26, 2015
    Publication date: September 3, 2015
    Applicants: SUMITOMO CHEMICAL COMPANY, LIMITED, NATIONAL UNIVERSITY CORPORATION OITA UNIVERSITY, SHOEI CHEMICAL INC.
    Inventors: Kazuro NAGASHIMA, Katsutoshi NAGAOKA, Katsutoshi SATO, Hideyuki HIGASHIMURA
  • Patent number: 9073760
    Abstract: A method for manufacturing a multiple oxide includes: a solution preparing step of adding to iron and steel pickling waste liquid, a lithium compound soluble in acidic aqueous solution and an oxoanion raw-material compound to prepare a mixed solution; a roasting step of introducing the mixed solution into a roasting furnace to roast the mixed solution; and a collecting step of collecting the multiple oxide obtained in the roasting step.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: July 7, 2015
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Yuki Matsuda, Shingo Katayama
  • Patent number: 9064616
    Abstract: A conductive paste includes a conductive powder containing at least one of copper and nickel as a main component, a glass frit, and an organic vehicle, wherein the glass frit is a tellurium-based glass frit that essentially does not contain any lead component and contains tellurium as a network former in an amount of 35 to 70 mol % in terms of oxide, the tellurium-based glass frit containing silver as an essential component. The above conductive paste can provide favorable characteristics and favorably be used in the formation of light-receiving surface electrodes of a solar cell element even when the conductive paste includes one or more of copper and nickel as its conductive component.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: June 23, 2015
    Assignee: Shoei Chemical Inc.
    Inventors: Hiroshi Yoshida, Naoto Shindo, Tadashi Kanasaku, Shoko Masuda
  • Patent number: 8962981
    Abstract: A solar cell device including an electrode formed by applying a conductive paste containing at least a conductive powder, glass frit and an organic vehicle onto a semiconductor substrate provided with a silicon nitride layer on a surface thereof and firing the applied conductive paste, wherein the electrode has a structure with a front electrode layer containing silver as a main component, a glass layer containing tellurium glass as a main component, and a silicon oxide layer containing plural silver particles precipitated by the firing. The solar cell device is provided with an electrode formed using a conductive paste not containing lead glass and has good solar cell characteristics.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: February 24, 2015
    Assignee: Shoei Chemical Inc.
    Inventors: Yuji Akimoto, Masami Nakamura, Naoto Shindo, Tadashi Kanasaku
  • Publication number: 20140319712
    Abstract: A plasma device for production of metal powder includes a reaction vessel, a plasma torch, a carrier gas supply unit and a cooling tube. A metal starting material is supplied to the vessel. The torch produces plasma between the torch and the metal starting material to evaporate the metal starting material and produce a metal vapor. The supply unit supplies into the vessel a carrier gas for carrying the metal vapor. The cooling tube is provided with indirect and direct cooling sections and cools the metal vapor transferred from the vessel to produce the metal powder. The metal vapor and/or the metal powder are indirectly cooled in the indirect cooling section and directly cooled in the direct cooling section. A projection and/or a recess are disposed at least on a part of an inner wall of the indirect cooling section.
    Type: Application
    Filed: November 8, 2012
    Publication date: October 30, 2014
    Applicant: Shoei Chemicals Inc.
    Inventors: Fumiyuki Shimizu, Masayuki Maekawa, Shusaku Kawaguchi
  • Publication number: 20140227597
    Abstract: A cathode material for a lithium ion secondary battery includes an oxide represented by a composition formula Li2+x(M,MA)(Si,MB)O4, wherein M represents at least one element selected from the group consisting of Fe, Mn, Co and Ni; MA and MB represent elements substituted for parts of M and Si, respectively, to compensate for an electric charge equivalent to x of Li+; and at least one of MA and MB is included. In the composition formula representing the oxide, 0<x?0.25.
    Type: Application
    Filed: August 31, 2012
    Publication date: August 14, 2014
    Applicant: SHOEI CHEMICAL INC.
    Inventors: Atsushi Nemoto, Hirokazu Sasaki, Masahiko Miyahara
  • Publication number: 20140227596
    Abstract: A cathode material for a lithium ion secondary battery includes an oxide represented by a composition formula Li2-xMIIyM(Si,MB)O4, wherein MII represents a divalent element; M represents at least one element selected from the group consisting of Fe, Mn, Co and Ni; and MB represents, as an optional component, an element substituted for Si to compensate for a difference between an electric charge of [Li2]2+ and an electric change of [Li2-xMIIy]n+ as needed. In the composition formula representing the oxide, x and y are ?0.25<x?0.25 and 0<y?0.25.
    Type: Application
    Filed: September 14, 2012
    Publication date: August 14, 2014
    Applicant: Shoei Chemical Inc.
    Inventors: Hirokazu Sasaki, Atsushi Nemoto, Masahiko Miyahara
  • Publication number: 20140220446
    Abstract: A cathode material for a lithium ion secondary battery is a composite grain including an oxide and a carbon material. The oxide includes, as constituent elements, Li, Si and at least one of Fe and Mn. According to a measurement by an X-ray diffraction method using Cu-K? as an X-ray source, a diffraction peak exists within a range of 2?=33±2° and a half width of the diffraction peak is 0.55° or more. A size of the grain is 1 ?m or more and 20 ?m or less.
    Type: Application
    Filed: August 31, 2012
    Publication date: August 7, 2014
    Applicant: Shoei Chemical Inc.
    Inventors: Masahiko Miyahara, Atsushi Nemoto, Hirokazu Sasaki
  • Publication number: 20140147744
    Abstract: Provided is a cathode material for lithium ion secondary battery containing a composite material of a lithium silicate crystal and a carbon material. The composite material shows a peak in a wave number range from 1400 cm?1 to 1550 cm?1 in infrared absorption spectrum and shows no peak in a wave number range from 1000 cm?1 to 1150 cm?1 in Raman spectrum.
    Type: Application
    Filed: July 2, 2012
    Publication date: May 29, 2014
    Applicant: SHOEI CHEMICAL INC.
    Inventors: Atsushi Nemoto, Maki Moriya, Hirokazu Sasaki
  • Patent number: 8734562
    Abstract: A nickel powder with an average particle size of 0.05 to 1.0 ?m, which is composed of nickel particles having an oxidized surface layer and containing sulfur, wherein the sulfur content with respect to the total weight of the powder is 100 to 2000 ppm, and the intensity of a peak identified to sulfur bonded to nickel in surface analysis by ESCA of the nickel particles varies in a direction toward the center from the surface of the particles, and this intensity has its maximum at a location deeper than 3 nm from the particle outermost surface. This nickel powder is manufactured by bringing a nickel powder containing sulfur and dispersed in a non-oxidizing gas atmosphere into contact with an oxidizing gas at a high temperature.
    Type: Grant
    Filed: January 16, 2012
    Date of Patent: May 27, 2014
    Assignee: Shoei Chemical Inc.
    Inventors: Yuji Akimoto, Kazuro Nagashima, Hidenori Ieda, Hitomi Yanagi