Patents Examined by Lynne Edmondson
  • Patent number: 11456096
    Abstract: There is provided a ferrite sintered magnet having a high residual magnetic flux density. A ferrite sintered magnet 2 includes a plurality of main phase particles 5 including ferrite having a hexagonal structure, the number of core-shell structured particles 5A having a core 7 and a shell 9 covering the core 7, among the main phase particles 5, is smaller than the number of the main phase particles 5 other than the core-shell structured particles 5A.
    Type: Grant
    Filed: February 5, 2019
    Date of Patent: September 27, 2022
    Assignee: TDK Corporation
    Inventors: Hiroyuki Morita, Masanori Ikeda, Yoshitaka Murakawa, Taku Murase
  • Patent number: 11440810
    Abstract: Provided is a powder of a ?-iron oxyhydroxide-based compound that is a group of particles of a ?-iron oxyhydroxide-based compound represented by Formula (1) below; in which a surface of the particles of the ?-iron oxyhydroxide-based compound is modified with a surface modifier; in which, in a case where the powder is dispersed in water to be made into a sol, a zeta potential of the powder is equal to or higher than +5 mV at pH 10; and ?-AaFe1-aOOH??(1) in which, in Formula (1), A represents at least one metallic element other than Fe, and a represents a number that satisfies a relationship of 0?a<1.
    Type: Grant
    Filed: August 22, 2019
    Date of Patent: September 13, 2022
    Assignee: FUJIFILM Corporation
    Inventor: Takashi Fujimoto
  • Patent number: 11401466
    Abstract: A nanocrystal with a large Stokes shift includes a matrix domain having a composition of M1xM2yAz, and a plurality of seed domains which are distributed in the matrix domain and each of which has a composition of M1x?M2y?Az?, wherein M1, M2, A, x, y, z, x?, y?, and z? are as defined herein.
    Type: Grant
    Filed: August 17, 2018
    Date of Patent: August 2, 2022
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Hsueh-Shih Chen, Yi-Ching Yang
  • Patent number: 11370966
    Abstract: Disclosed is a composite particle including a plurality of nanoparticles encapsulated in an inorganic material, wherein the plurality of nanoparticles is uniformly dispersed in the inorganic material. Also disclosed is relates to a light emitting material, a support supporting at least one composite particle and/or a light emitting material and an optoelectronic device including at least one composite particle and/or a light emitting material.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: June 28, 2022
    Assignee: NEXDOT
    Inventors: Marc Pousthomis, Michele D'Amico, Alexis Kuntzmann, Yu-Pu Lin, Edgar Cao
  • Patent number: 11367548
    Abstract: Provided is an ?-iron oxide type ferromagnetic powder with a powder pH within a range of 4.8 to 6.8; and a method for manufacturing the ?-iron oxide type ferromagnetic powder and a composition containing at least the ?-iron oxide type ferromagnetic powder and a solvent.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: June 21, 2022
    Assignee: FUJIFILM Corporation
    Inventor: Takashi Fujimoto
  • Patent number: 11352556
    Abstract: The present invention discloses a process for the preparation of metal sulphide quantum dots by using a very low cost sulphur precursor as a sulphur source. The metal sulphide quantum dots finds application in optical devices selected from photovoltaic cells, photodetectors and light-emission devices.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: June 7, 2022
    Assignee: COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
    Inventors: Bhagavatula Lakshmi Vara Prasad, Abhjit Bera
  • Patent number: 11352308
    Abstract: There is provided a compound which provides a semiconductor material. The compound is represented by General Formula (1) wherein Ar represents an aryl group which may have a substituent or a heteroaryl group which may have a substituent, and R1 represents an acyclic alkyl group having 1 to 20 carbon atoms wherein hydrogen atom in the alkyl group may be replaced by a halogeno group, a nitrile group or an aryl group, and —CH2— in the alkyl group may be replaced by —O—, —R?C?CR?—, —CO—, —OCO—, —COO—, —S—, —SO2—, —SO—, —NH—, —NR?— or —C?C— provided that, with respect to each of an oxygen atom, a sulfur atom and a nitrogen atom, the same atoms are not directly bonded to each other, wherein R? represents an acyclic or cyclic alkyl group having 1 to 20 carbon atoms.
    Type: Grant
    Filed: March 14, 2017
    Date of Patent: June 7, 2022
    Assignee: DIC Corporation
    Inventors: Sho Inagaki, Aya Ishizuka, Hideki Etori
  • Patent number: 11345972
    Abstract: Provided are a high-strength hot-rolled steel sheet and a method for manufacturing the steel sheet. The steel sheet includes C: 0.060% or more and 0.140% or less, Si: 1.00% or less, Mn: 1.30% or more and 2.50% or less, P: 0.030% or less, S: 0.0050% or less, Al: 0.070% or less, N: 0.010% or less, Ti: 0.060% or more and 0.140% or less, Cr: 0.10% or more and 0.50% or less, B: 0.0002% or more and 0.0020% or less, and the balance being Fe and inevitable impurities, in which the relationship 5.0?18C+Mn+1.3Cr+1500B?6.0 is obtained. The microstructure includes a bainite phase in an amount of more than 90% one, two, or all of a ferrite phase, a martensite phase, and a retained austenite phase in an amount of less than 10%.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: May 31, 2022
    Assignee: JFE Steel Corporation
    Inventors: Kazuhiko Yamazaki, Kaneharu Okuda
  • Patent number: 11335848
    Abstract: The invention relates to a method for producing ceramics having piezoelectric properties in predominantly aqueous suspending agents.
    Type: Grant
    Filed: August 8, 2016
    Date of Patent: May 17, 2022
    Assignee: CERAMTEC GMBH
    Inventors: Hans-Jürgen Schreiner, Tanja Einhellinger-Müller, Friederike Assmann
  • Patent number: 11335846
    Abstract: A material that includes a polymer foam and at least one polar dopant molecule included in the polymer foam, wherein the material is a piezoelectric.
    Type: Grant
    Filed: January 30, 2017
    Date of Patent: May 17, 2022
    Assignee: University of Pittsburgh—Of the Commonwealth System of Higher Education
    Inventors: Geoffrey R. Hutchison, Michael James Moody
  • Patent number: 11329213
    Abstract: A method of manufacturing a magnetoelectric composite material having a 0-3 type connectivity is provided. The manufacturing method includes manufacturing a slurry including an alignment material including one material selected from among a magnetostrictive material and a piezoelectric material. The slurry further comprises a seed composition comprising the other material from the magnetostrictive material and the piezoelectric material. The method further comprises molding the manufactured slurry to manufacture a molding material, and plasticizing and firing the molding material.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: May 10, 2022
    Assignee: Korea Electronics Technology Institute
    Inventors: Seung Ho Han, Hyung Won Kang
  • Patent number: 11292963
    Abstract: Provided is a wavelength converting member and a method of producing the same. Proposed is a wavelength converting member including: a fluorescent material containing at least one kind selected from a nitride-based fluorescent material and an oxynitride-based fluorescent material; and an aluminate containing at least one kind selected from the group consisting of a rare earth aluminate and an alkaline earth metal aluminate. Further, a method of producing a wavelength converting member, including: preparing a molded body obtained by mixing a fluorescent material containing at least one kind selected from a nitride-based fluorescent material and an oxynitride-based fluorescent material and an aluminate containing at least one kind selected from the group consisting of a rare earth aluminate and an alkaline earth metal aluminate; and sintering the molded body to obtain a wavelength converting member containing the fluorescent material and the aluminate, is proposed.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: April 5, 2022
    Assignee: NICHIA CORPORATION
    Inventor: Yoshinori Murazaki
  • Patent number: 11286422
    Abstract: The silicate of magnesium and of barium, strontium or calcium of the invention is characterized in that it is in the form of a suspension of solid crystallized particles in a liquid phase, said particles having a mean size between 0.1 ?m and 1 ?m. It is prepared by spray-drying a liquid mixture comprising compounds of magnesium, of silicium and of at least one first element chosen from barium, strontium and calcium, by submitting the dried mixture to a first calcination in air and to a second calcination in a reducing atmosphere and by wet milling the calcined mixture.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: March 29, 2022
    Assignee: RHODIA OPERATIONS
    Inventors: Valérie Buissette, Franck Aurissergues, Thierry Le-Mercier
  • Patent number: 11289250
    Abstract: A sintered ferrite magnet represented by the general formula of Ca1-xLaxFe2n-y-zCoyZnz expressing the atomic ratios of metal elements of Ca, La, Fe, Co and Zn, wherein x, y, z, and n [2n is a molar ratio represented by 2n=(Fe+Co+Zn)/(Ca+La)] meet 0.4<x<0.75, 0.15?y<0.4, 0.11?z<0.4, 0.26?(y+z)<0.65, and 3?n?6.
    Type: Grant
    Filed: May 17, 2018
    Date of Patent: March 29, 2022
    Assignee: HITACHI METALS, LTD.
    Inventors: Masaki Yamamoto, Yoshinori Kobayashi
  • Patent number: 11270820
    Abstract: The present invention relates to a composition for bonded magnets having good hot water resistance and a method of manufacturing the composition. The method of manufacturing a composition for bonded magnets includes: obtaining a first kneaded mixture by kneading a rare earth-iron-nitrogen-based magnetic powder and an acid-modified polypropylene resin; and obtaining a second kneaded mixture by kneading the first kneaded mixture with a polypropylene resin and an amorphous resin having a glass transition temperature of 120° C. or higher and 250° C. or lower, wherein, with respect to 100 parts by weight of the rare earth-iron-nitrogen-based magnetic powder, the amount of the acid-modified polypropylene resin is 3.5 parts by weight or greater and less than 10.4 parts by weight, and the total amount of the polypropylene resin and the amorphous resin is 0.35 part by weight or greater and less than 3.88 parts by weight.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: March 8, 2022
    Assignee: NICHIA CORPORATION
    Inventors: Shuichi Tada, Satoshi Yamanaka
  • Patent number: 11261563
    Abstract: The present invention relates to a heat insulation composition, containing aerogel, with improved heat insulation and soundproofing properties, and a method for manufacturing a heat insulation fabric by using the same. The heat insulation composition is prepared by mixing solvent, aerogel powder, adhesive binder and carbon black powder, thereby improving the heat insulation property at an extremely low temperature and at a high temperature, and also enhancing the soundproofing property.
    Type: Grant
    Filed: May 10, 2019
    Date of Patent: March 1, 2022
    Assignee: ARMACELL JIOS AEROGELS LIMITED
    Inventors: Young chul Joung, Myung je Roh, Jong chul Park, Min woo Kim, Mun hyeong Lee, Choon Soo Hahn
  • Patent number: 11254865
    Abstract: A method of manufacturing a conversion element is disclosed. A precursor material is selected from one or more of lutetium, aluminum and a rare-earth element. The precursor material is mixed with a binder and a solvent to obtain a slurry. A green body is formed from the slurry and the green body is sintered to obtain the conversion element. The sintering is performed at a temperature of more than 1720° C.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: February 22, 2022
    Assignee: OSRAM OPTO SEMICONDUCTORS GMBH
    Inventors: Darshan Kundaliya, Jeffery J. Serre, James Avallon, Kathleen A. Lawson
  • Patent number: 11225601
    Abstract: For applications in the fields of organic electronics and photonics, disclosed are fluorescent charge-transfer compounds emitting in the visible spectral range from blue to red, including a triarylamine moiety, an electron-withdrawing group and at least two photopolymerizable groups. Also disclosed is a method for manufacturing a film-forming and photo-crosslinkable composition including at least one compound of the invention and its use as a precursor of a photocrosslinked emissive layer.
    Type: Grant
    Filed: February 23, 2016
    Date of Patent: January 18, 2022
    Assignees: CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES (CEA), UNIVERSITE DE NANTES
    Inventors: Elena Ishow, Simon Olivier, Tony Maindron, Bernard Geffroy
  • Patent number: 11225432
    Abstract: The present invention relates to the field of forehearth frits, pearls, and/or concentrates for use in glass compositions. In particular, the present invention provides a system of forehearth frits, pearls, and/or concentrates that is capable of parting a fluorescent effect to a glass composition by adding a fluorescent glass fit, pearl or concentrate in the forehearth of a glass furnace, to form fluorescent glass and a method of using the fluorescent system of forehearth frits, pearls, and/or concentrates.
    Type: Grant
    Filed: August 2, 2016
    Date of Patent: January 18, 2022
    Assignee: Ferro Corporation
    Inventors: Yasin Musa Mehmet Duman, Stéphane François Yves Bodin, Benoit Darbouret
  • Patent number: 11198918
    Abstract: The present invention has as its object to provide thickness 60 ?m or less ultra-thin stainless steel foil which secures high thickness precision and simultaneously secures plastic deformability and good elongation at break, that is, secures good press-formability (deep drawability). The present invention solves this problem by ultra-thin stainless steel foil which has three or more crystal grains in a thickness direction, has a recrystallization rate of 90% to 100%, and has a nitrogen concentration of a surface layer of 1.0 mass % or less. For this reason, there is provided a method of production of stainless steel foil comprising rolling stainless steel sheet, then performing final annealing and making a thickness 5 ?m to 60 ?m, wherein a rolling reduction ratio at rolling right before final annealing is 30% or more, a temperature of final annealing after rolling is 950° C. to 1050° C. in the case of austenitic stainless steel and 850° C. to 950° C.
    Type: Grant
    Filed: February 16, 2015
    Date of Patent: December 14, 2021
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Hiroto Unno, Shinichi Terashima, Toru Inaguma, Koichi Nose, Naoki Fujimoto, Naoya Sawaki, Shuji Nagasaki