Patents Examined by Cameron K Miller
  • Patent number: 11955283
    Abstract: A dielectric ceramic composition includes a barium titanate, an oxide of an R element, an oxide of an M element, and an oxide containing Si. The R element is one or more elements selected from Eu, Gd, Tb, Dy, Y, Ho, and Yb. The M element is one or more elements selected from Mg, Ca, Mn, V, and Cr. A ratio of an amount of the oxide of the R element in terms of R2O3 to an amount of the oxide containing Si in terms of SiO2 is 0.8:1 to 2.2:1. A ratio of an amount of the oxide of the M element in terms of MO to the amount of the oxide containing Si in terms of SiO2 is 0.2:1 to 1.8:1.50% or more of the number of dielectric particles constituting the dielectric ceramic composition is core-shell dielectric particles having a core-shell structure.
    Type: Grant
    Filed: March 8, 2021
    Date of Patent: April 9, 2024
    Assignee: TDK CORPORATION
    Inventors: Taku Murakami, Nobuto Morigasaki, Dan Sakurai, Takuma Ariizumi, Toshihiko Kaneko
  • Patent number: 11951592
    Abstract: Shot-peening powder that has ceramic particles. The powder having more than 95% by mass of beads. The beads having a median size D50 greater than 50 ?m and less than 1200 ?m, and having a value (D90?D10)/D50, or “S”, such that S??0.126·ln(D50)+0.980.
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: April 9, 2024
    Assignee: SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPEEN
    Inventors: Julien Cabrero, Anne-Laure Beaudonnet, Yves Léon Marcel Boussant-Roux, Benjamin Gilbert Robert Levy
  • Patent number: 11948752
    Abstract: A ceramic electronic component includes a body including a dielectric layer and an internal electrode, and an external electrode disposed on the body and connected to the internal electrode. The dielectric layer includes a plurality of dielectric grains, and at least one of the plurality of dielectric grains has a core-dual shell structure having a core and a dual shell. The dual shell includes a first shell surrounding at least a portion of the core, and a second shell surrounding at least a portion of the first shell, and a concentration of a rare earth element included in the second shell is more than 1.3 times to less than 3.8 times a concentration of a rare earth element included in the first shell.
    Type: Grant
    Filed: December 21, 2022
    Date of Patent: April 2, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Hyung Kang, Jong Hyun Cho, Ji Hong Jo, Hang Kyu Cho, Jae Shik Shim, Yong In Kim, Sang Roc Lee
  • Patent number: 11936088
    Abstract: A method of forming a composite material for use as an isolator or circulator in a radiofrequency device comprises providing a low temperature fireable outer material, the low fireable outer material having a garnet or scheelite structure, inserting a high dielectric constant inner material having a dielectric constant above 30 within an aperture in the low temperature fireable outer material, and co-firing the lower temperature fireable outer material and the high dielectric constant inner material together at temperature between 650-900° C. to shrink the low temperature fireable outer material around an outer surface of the high dielectric constant inner material to form an integrated magnetic/dielectric assembly without the use of adhesive or glue.
    Type: Grant
    Filed: May 19, 2023
    Date of Patent: March 19, 2024
    Assignee: SKYWORKS SOLUTIONS, INC.
    Inventors: Michael David Hill, David Bowie Cruickshank, Jeffrey Alan Shunkwiler, John Jianzhong Jiang, David Martin Firor, Srinivas Polisetty
  • Patent number: 11925980
    Abstract: It is intended to suppress flaming and smoking due to combustion of combustible substances in a certain-shaped joint material, while maintaining hot sealability of the certain-shaped joint material. A certain-shaped joint material for hot installation is obtained by: adding organic additives to a blend in a combined amount of 26 mass % to 50 mass %, with respect to and in addition to 100 mass % of the blend, wherein the blend comprises 50 mass % to 90 mass % of gibbsite type aluminum hydroxide raw material, 1 mass % to 9 mass % of clay, and 9 mass % to 23 mass % of graphite, with the remainder mainly composed of an additional refractory raw material; and subjecting the resulting mixture to kneading, forming and drying.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: March 12, 2024
    Assignee: KROSAKIHARIMA CORPORATION
    Inventors: Tatsuya Oouchi, Masaki Yamamoto
  • Patent number: 11926563
    Abstract: Provided is a crystallized glass substrate including a surface with a compressive stress layer, in which a gradient A of a surface compressive stress from an outermost surface to a depth of 6 ?m in the compressive stress layer is 50.0 to 110.0 MPa/?m, a gradient B of a surface compressive stress from a depth of (a stress depth DOLzero—10 ?m) to the stress depth DOLzero is 2.5 to 15.0 MPa/?m, where the stress depth DOLzero is a depth of the compressive stress layer at a surface compressive stress of 0 MPa, and a hardness of the outermost surface at an indentation depth of 20 nm is 7.50 to 9.50 GPa.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: March 12, 2024
    Assignee: OHARA INC.
    Inventors: Toshitaka Yagi, Kohei Ogasawara
  • Patent number: 11912622
    Abstract: A composition for enamel may include 10 to 45 wt % of SiO2; 1 to 10 wt % of B2O3, 10 to 20 wt % of one or more of Na2O, K2O, and/or Li2O, 1 to 5 wt % of NaF, 1 to 10 wt % of ZnO, 5 to 15 wt % of TiO2, 3 to 7 wt % of MoO3, 5 to 15 wt % of Bi2O3, 1 to 5 wt % of CeO2, and 0.5 to 10 wt % of one or more of MnO2, Fe2O3, and/or Co3O4. The composition may be used to make a coating layer provided on a cooking appliance so that contaminants may be easily cleaned from the cooking appliance at a room temperature.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: February 27, 2024
    Assignee: LG ELECTRONICS INC.
    Inventors: Suyeon Choi, Taeho Kim, Yongsoo Lee
  • Patent number: 11905207
    Abstract: The invention relates to glass ceramics and glasses with a europium content, containing the following components: Component wt.-% SiO2 30.0 to 75.0 Al2O3 10.0 to 45.0 Europium, calculated as Eu2O3 0.05 to 5.0 and which are suitable in particular for the production of dental restorations, the fluorescence properties of which largely correspond to those of natural teeth.
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: February 20, 2024
    Assignee: Ivoclar Vivadent AG
    Inventors: Marc Dittmer, Ronny Hengst, Christian Ritzberger
  • Patent number: 11905219
    Abstract: Provided is an alumina ceramic with a low secondary electron emission coefficient and suitable for components of a high frequency generator, a plasma generator and so on. The alumina ceramic contains alumina as a main component, and at least two kinds of elements selected from an alkaline earth metal and from an element belonging to period 3, 4 or 5. The alkaline earth metal and the element belonging to period 3, 4 or 5 have a higher first ionization energy than aluminum. An electronegativity difference between the alkaline earth metal and the element belonging to period 3, 4 or 5 is 0 or more and 0.6 or less. A ratio (x/y) of the grain boundary area (x) to the grain area (y) in the alumina ceramic is 0.0001 to 0.001.
    Type: Grant
    Filed: August 5, 2021
    Date of Patent: February 20, 2024
    Assignee: COORSTEK KK
    Inventor: Yuji Fukasawa
  • Patent number: 11897821
    Abstract: A ceramic product includes a glass layer having 0.1 wt % to 9 wt % of a luster pigment for providing a metallic look. The glass layer includes 40 wt % to 60 wt % of silicon dioxide, 15 wt % to 35 wt % of boron oxide, 18 wt % or less of one or more alkali metal oxides selected from the group consisting of lithium oxide, sodium oxide, and potassium oxide, 4 wt % or less of one or more alkali metal oxides selected from lithium oxide and sodium oxide, and 5 wt % or more of potassium oxide.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: February 13, 2024
    Assignee: SAGA PREFECTURE
    Inventor: Atsunori Shiraishi
  • Patent number: 11901127
    Abstract: A dielectric composition and a multilayer capacitor including the same are provided. The dielectric composition includes a BaTiO3-base main component, a first subcomponent including an Nb component and a Gd component, a second subcomponent including an Mg component, and a third subcomponent including a Ba component and a Ca component. The first subcomponent is included in an amount of 4 moles or less per 100 moles of the main component. In the first subcomponent, a molar content of Nb and a molar content of Gd satisfy 0.33?Nb/Gd, and in the third subcomponent, a molar content of Ba and a molar content of Ca satisfy 0.2?Ca/(Ba+Ca).
    Type: Grant
    Filed: September 14, 2021
    Date of Patent: February 13, 2024
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jae Sung Park, Jeong Yun Park, Hyoung Uk Kim, Jong Han Kim, Chung Eun Lee
  • Patent number: 11884595
    Abstract: A composition comprises a zirconia powder, in which 55% or more thereof is monoclinic, and a stabilizer capable of suppressing phase transition of zirconia. An average particle diameter of zirconia particles and particles of the stabilizer is 0.06 ?m to 0.17 ?m. At least a portion of the stabilizer does not form a solid solution with zirconia.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: January 30, 2024
    Assignee: KURARAY NORITAKE DENTAL INC.
    Inventor: Yoshihisa Ito
  • Patent number: 11884575
    Abstract: A composition for producing a glass fiber, including the following components with corresponding percentage amounts by weight: SiO2: 57.4-60.9%; Al2O3: greater than 17% and less than or equal to 19.8%; MgO: greater than 9% and less than or equal to 12.8%; CaO: 6.4-11.8%; SrO: 0.1-1.5%; Na2O+K2O: 0.1-1.1%; Fe2O3: 0.05-1%; TiO2: lower than 0.8%; and SiO2+Al2O3: lower than or equal to 79.4%. The total weight percentage of the above components in the composition is greater than 99%. The weight percentage ratio of Al2O3+MgO to SiO2 is between 0.43 and 0.56, and the weight percentage ratio of CaO+MgO to SiO2+Al2O3 is greater than 0.205. The composition can significantly increase the glass modulus, effectively reduce the glass crystallization rate, secure a desirable temperature range (?T) for fiber formation and enhance the refinement of molten glass, thus making it particularly suitable for high performance glass fiber production with refractory-lined furnaces.
    Type: Grant
    Filed: April 15, 2022
    Date of Patent: January 30, 2024
    Assignee: JUSHI GROUP CO., LTD.
    Inventors: Guorong Cao, Lin Zhang, Wenzhong Xing, Xiucheng Hong, Zhonghua Yao
  • Patent number: 11873249
    Abstract: A fibrous ceramic preform includes a plurality of ceramic fibers, a first amorphous layer, and an interfacial coating layer. The interfacial coating layer includes an anisotropic region adjacent the at least one amorphous layer, and an isotropic region on a side of the anisotropic region opposite the at least one amorphous layer.
    Type: Grant
    Filed: May 6, 2022
    Date of Patent: January 16, 2024
    Assignee: RTX Corporation
    Inventors: Asa Frye, Cristal Chan, Daniel L. Becerra
  • Patent number: 11873254
    Abstract: A composition comprises a zirconia powder, in which 55% or more thereof is monoclinic, and a stabilizer capable of suppressing phase transition of zirconia. An average particle diameter of zirconia particles and particles of the stabilizer is 0.06 ?m to 0.17 ?m. At least a portion of the stabilizer does not form a solid solution with zirconia.
    Type: Grant
    Filed: September 15, 2022
    Date of Patent: January 16, 2024
    Assignee: KURARAY NORITAKE DENTAL INC.
    Inventor: Yoshihisa Ito
  • Patent number: 11865624
    Abstract: An insert may include a sintered silicon nitride including ?-Si3N4 as a main component. The area up to 0.5 mm deep from a surface of the sintered silicon nitride is a first region. The first region may include an oxygen content of less than 0.8% by mass. The first region may include ReMgSi2O5N (Re is at least one of Yb and Y). A cutting tool may include a holder that extends from a first end toward a second end and includes a pocket on a side of the first end, and the insert located at the pocket.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: January 9, 2024
    Assignee: KYOCERA Corporation
    Inventors: Shinsuke Yamamoto, Naohisa Matsuda
  • Patent number: 11869720
    Abstract: A dielectric composition includes one of BaTiO3, (Ba,Ca)(Ti,Ca)O3, (Ba,Ca)(Ti,Zr)O3, Ba(Ti,Zr)O3 and (Ba,Ca)(Ti,Sn)O3, as a main component, a first subcomponent including a rare earth element, and a second subcomponent including at least one of a variable valence acceptor element and a fixed valence acceptor element. When a sum of contents of the rare earth element is defined as DT and a sum of contents of the variable valence acceptor element and the fixed valence acceptor element is defined as AT, (DT/AT)/(Ba+Ca) satisfies more than 0.5 and less than 6.0. In addition, a multilayer electronic component including the dielectric composition is provided.
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: January 9, 2024
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jae Sung Park, Hyoung Uk Kim, Hyung Soon Kwon, Jong Han Kim, Jeong Ryeol Kim
  • Patent number: 11858868
    Abstract: Disclosed are an anti-corrosion and anti-coking ceramic coating with easy state identification for a coal-fired boiler and a preparation method thereof. The ceramic coating is formed by compounding a bottom coating layer and a surface coating layer, wherein the bottom coating layer is prepared from raw materials comprising sodium silicate, lanthanum oxide, niobium pentoxide, aluminum oxide, bismuth oxide, boron oxide, zinc oxide, silicon oxide, titanium dioxide, nano whisker, titanium nitride, and graphite fluoride, and the surface coating layer is prepared from raw materials comprising sodium silicate, lanthanum oxide, niobium pentoxide, chromium oxide, aluminum oxide, bismuth oxide, boron oxide, zinc oxide, silicon oxide, graphite fluoride, titanium nitride, silicon carbide, nano whisker, and cobalt green.
    Type: Grant
    Filed: May 12, 2022
    Date of Patent: January 2, 2024
    Assignee: Xuzhen New Energy Technology Co Ltd
    Inventors: Hongfei Sun, Jing Zhu, Xiaotao Luo, Hefa Li, Xianwei Zhu
  • Patent number: 11854746
    Abstract: A dielectric ceramic composition includes a barium titanate (BaTiO3)-based base material main ingredient and an accessory ingredient, the accessory ingredient including dysprosium (Dy) and praseodymium (Pr) as first accessory ingredients. A content of the Pr satisfies 0.233 mol?Pr?0.699 mol, based on 100 mol of the barium titanate base material main ingredient.
    Type: Grant
    Filed: October 4, 2022
    Date of Patent: December 26, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jeong Yun Park, Jae Sung Park, Kyung Sik Kim, Ji Hong Jo
  • Patent number: 11840475
    Abstract: A glass-ceramic article comprises a petalite crystalline phase and a lithium silicate crystalline phase. The weight percentage of each of the petalite crystalline phase and the lithium silicate crystalline phase in the glass-ceramic article are greater than each of the weight percentages of other crystalline phases present in the glass-ceramic article. The glass-ceramic article has a transmittance color coordinate in the CIELAB color space of: L*=from 20 to 90; a*=from ?20 to 40; and b*=from ?60 to 60 for a CIE illuminant F02 under SCI UVC conditions. In some embodiments, the colorant is selected from the group consisting of TiO2, Fe2O3, NiO, Co3O4, MnO2, Cr2O3, CuO, Au, Ag, and V2O5.
    Type: Grant
    Filed: July 14, 2022
    Date of Patent: December 12, 2023
    Assignee: Corning Incorporated
    Inventors: George Halsey Beall, Qiang Fu, Charlene Marie Smith