Patents Examined by Kevin C T Li
  • Patent number: 11659769
    Abstract: A piezoelectric composition including manganese and a complex oxide having a perovskite structure represented by a general formula ABO3, wherein an A site element in the ABO3 is potassium or potassium and sodium, a B site element in the ABO3 is niobium, a concentration distribution of the manganese has a variation, and the variation shows a CV value of 35% or more and 440% or less.
    Type: Grant
    Filed: March 20, 2018
    Date of Patent: May 23, 2023
    Assignee: TDK CORPORATION
    Inventors: Masakazu Hirose, Yuiko Hirose, Hiroki Katoh
  • Patent number: 11651957
    Abstract: Various articles and devices can be manufactured to take advantage of a what is believed to be a novel thermodynamic cycle in which spontaneity is due to an intrinsic entropy equilibration. The novel thermodynamic cycle exploits the quantum phase transition between quantum thermalization and quantum localization. Preferred devices include a phonovoltaic cell, a rectifier and a conductor for use in an integrated circuit.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: May 16, 2023
    Assignee: SemiNuclear, Inc.
    Inventor: Patrick Curran
  • Patent number: 11643710
    Abstract: Provided is a mixed powder for powder metallurgy that contains a readily available compound as a lubricant, does not need to contain a stain-causing metal soap, has excellent ejection properties, and can exhibit excellent fluidity without deteriorating the ejection properties even in the case of further containing carbon black. The mixed powder for powder metallurgy contains (a) an iron-based powder and (b) a lubricant, where the lubricant (b) contains a specific aliphatic amine.
    Type: Grant
    Filed: December 12, 2018
    Date of Patent: May 9, 2023
    Assignee: JFE STEEL CORPORATION
    Inventors: Hanako Shimamoto, Shigeru Unami
  • Patent number: 11634787
    Abstract: Grain-oriented electrical steel sheet excellent in magnetic properties and excellent in adhesion of a primary coating to a base steel sheet, an annealing separator utilized for manufacture of grain-oriented electrical steel sheet, and a method for manufacturing grain-oriented electrical steel sheet are proposed. The grain-oriented electrical steel sheet is provided with a base metal steel sheet containing comprising a predetermined chemical composition and a primary coating formed on a surface of the base steel sheet and comprising Mg2SiO4 as a main constituent. The primary coating satisfies the conditions of (1) the number density D3 of the Al concentrated region: 0.020 to 0.180/?m2, (2) (total area S5 of regions which is anchoring oxide layer regions and is also Al concentrated regions)/(total area S3 of Al concentrated regions)?33%, (3) distance H5 of mean value of length in thickness direction of regions which is anchoring oxide layer regions and is also Al concentrated regions minus H0: 0.4 to 4.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: April 25, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Ryutaro Yamagata, Nobusato Morishige, Ichiro Tanaka
  • Patent number: 11612967
    Abstract: The present invention provides an alloy for overlay welding with which an alumina barrier layer containing an Al oxide can be formed on a projection that is overlay welded on an inner surface of a reaction tube, and a reaction tube having a projection that is overlay welded on the inner surface as a stirring member. An alloy for overlay welding according to the present invention is an alloy for overlay welding that is to be used in overlay welding, and the alloy contains C in an amount of 0.2 mass % to 0.6 mass %, Si in an amount of more than 0 mass % to 1.0 mass %, Mn in an amount of more than 0 mass % to 0.6 mass % or less, Cr in an amount of 25 mass % to 35 mass %, Ni in an amount of 35 mass % to 50 mass %, Nb in an amount of 0.5 mass % to 2.0 mass %, Al in an amount of 3.0 mass % to 6.0 mass %, Y in an amount of 0.005 mass % to 0.05 mass %, wherein Y/Al is 0.002 or more to 0.015 or less; and the balance being Fe and inevitable impurities.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: March 28, 2023
    Assignee: KUBOTA CORPORATION
    Inventors: Motoyuki Matsubara, Kunihide Hashimoto, Hiroshi Yamaguchi, Masayuki Tomita
  • Patent number: 11590551
    Abstract: A method for producing an expanded metal, the method including producing a sheet of the expanded sheet metal by introducing openings through one expansion blade wherein all the openings are configured as diamond shaped loops without a material loss and defined by a loop width, a loop length and a loop shape; and forming the diamond shaped loops respectively by four linear bars that are defined by a bar width and a bar thickness wherein two of the four linear bars are respectively connected at four nodes; arranging plural of the diamond shaped loops in columns adjacent to one another and in rows adjacent to one another; and forming first columns of first diamond shaped loops different from second columns of diamond shaped second loops in a loop width or in a loop length respectively measured from a node center to a node center.
    Type: Grant
    Filed: November 23, 2020
    Date of Patent: February 28, 2023
    Assignee: GRAMMER Interior Components GmbH
    Inventors: Heiko Kirchknopf, Christian Schreck, Ralf Tuerk, Gunter Link
  • Patent number: 11589663
    Abstract: The present disclosure relates to a decoration member comprising a color developing layer comprising a light reflective layer and a light absorbing layer provided on the light reflective layer; and a substrate provided on one surface of the color developing layer, wherein the light absorbing layer comprises a molybdenum-titanium oxide (MoaTibOx).
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: February 28, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Yong Chan Kim, Ki Hwan Kim, Nansra Heo, Jeong Woo Shon, Pilsung Jo
  • Patent number: 11591681
    Abstract: An iron-based sintered body includes a metal matrix and complex oxide particles contained in the metal matrix. When a main viewing field having an area of 176 ?m×226 ?m is taken on a cross section of the iron-based sintered body and divided into a 5×5 array of 25 viewing fields each having an area of 35.2 ?m×45.2 ?m, the complex oxide particles have an average equivalent circle diameter of from 0.3 ?m to 2.5 ?m inclusive, and a value obtained by dividing the total area of the 25 viewing fields by the total number of complex oxide particles present in the 25 viewing fields is from 10 ?m2/particle to 1,000 ?m2/particle inclusive. The number of viewing fields in which no complex oxide particle is present is 4 or less out of the 25 viewing fields.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: February 28, 2023
    Assignees: Sumitomo Electric Industries, Ltd., Sumitomo Electric Sintered Alloy, Ltd.
    Inventors: Tomoyuki Ueno, Koji Yamada, Kazuya Takizawa, Yuki Adachi, Tetsuya Hayashi
  • Patent number: 11578398
    Abstract: An article includes a body having a plasma-sprayed ceramic coating on a surface thereof. The body can be formed of at one least one of the following materials: Al, Al2O3, AlN, Y2O3, YSZ, or SiC. The plasma-sprayed ceramic coating can include at least one of Y2O3, Y4Al2O9, Y3Al5O12 or a solid-solution of Y2O3 mixed with at least one of ZrO2, Al2O3, HfO2, Er2O3, Nd2O3, Nb2O5, CeO2, Sm2O3 or Yb2O3. The plasma-sprayed ceramic coating can further include splats.
    Type: Grant
    Filed: February 19, 2020
    Date of Patent: February 14, 2023
    Assignee: Applied Materials, Inc.
    Inventors: Jennifer Y. Sun, Yikai Chen, Biraja Prasad Kanungo
  • Patent number: 11572602
    Abstract: Provided is a method for manufacturing a grain-oriented electrical steel sheet. The method comprises: hot rolling a slab to obtain a hot rolled sheet; subjecting the hot rolled sheet to hot band annealing as necessary; subjecting the hot rolled sheet to cold rolling; subjecting the cold rolled sheet to decarburization annealing; applying an annealing separator having MgO as a main component onto a surface of the decarburization annealed sheet and subjecting the decarburization annealed sheet to final annealing to form the forsterite film; and applying an insulating coating treatment liquid onto the final annealed sheet and subjecting the final annealed sheet to flattening annealing to form a tension-applying insulating coating. A difference in total tensions between one and opposite surfaces of the sheet is less than 0.5 MPa. A difference in tensions between the forsterite films in one and opposite surfaces of the sheet is 0.5 MPa or more.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: February 7, 2023
    Assignee: JFE STEEL CORPORATION
    Inventors: Takeshi Omura, Hirotaka Inoue, Seiji Okabe
  • Patent number: 11560613
    Abstract: A martensitic stainless steel contains 0.20 mass %?C?0.60 mass %, 0.10 mass %?N?0.50 mass %, 14.00 mass %?Cr?17.00 mass %, 1.00 mass %?Mo?3.00 mass %, 0.20 mass %?V?0.40 mass %, Si?0.30 mass %, Mn?0.80 mass %, P?0.040 mass %, S?0.040 mass %, Cu?0.25 mass %, Ni?0.20 mass %, and the balance Fe with inevitable impurities.
    Type: Grant
    Filed: October 29, 2020
    Date of Patent: January 24, 2023
    Assignee: DENSO CORPORATION
    Inventors: Mirai Sakamoto, Yoshihiro Tanimura, Shigeyuki Kusano, Noritsugu Kato, Yuki Kato
  • Patent number: 11521853
    Abstract: Materials containing picocrystalline quantum dots that form artificial atoms are disclosed. The picocrystalline quantum dots (in the form of born icosahedra with a nearly-symmetrical nuclear configuration) can replace corner silicon atoms in a structure that demonstrates both short range and long-range order as determined by x-ray diffraction of actual samples. A novel class of boron-rich compositions that self-assemble from boron, silicon, hydrogen and, optionally, oxygen is also disclosed. The preferred stoichiometric range for the compositions is (B12Hw)xSiyOz with 3?w?5, 2?x?4, 2?y?5 and 0?z?3. By varying oxygen content and the presence or absence of a significant impurity such as gold, unique electrical devices can be constructed that improve upon and are compatible with current semiconductor technology.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: December 6, 2022
    Assignee: SemiNuclear, Inc.
    Inventor: Patrick Curran
  • Patent number: 11434546
    Abstract: Some variations provide a metal matrix nanocomposite composition comprising metal-containing microparticles and nanoparticles, wherein the nanoparticles are chemically and/or physically disposed on surfaces of the microparticles, and wherein the nanoparticles are consolidated in a three-dimensional architecture throughout the composition. The composition may serve as an ingot for producing a metal matrix nanocomposite. Other variations provide a functionally graded metal matrix nanocomposite comprising a metal-matrix phase and a reinforcement phase containing nanoparticles, wherein the nanocomposite contains a gradient in concentration of the nanoparticles. This nanocomposite may be or be converted into a master alloy. Other variations provide methods of making a metal matrix nanocomposite, methods of making a functionally graded metal matrix nanocomposite, and methods of making a master alloy metal matrix nanocomposite. The metal matrix nanocomposite may have a cast microstructure.
    Type: Grant
    Filed: November 5, 2020
    Date of Patent: September 6, 2022
    Assignee: HRL Laboratories, LLC
    Inventors: Brennan D. Yahata, John H. Martin
  • Patent number: 11421297
    Abstract: A non-oriented electrical steel sheet includes a silicon steel sheet and an insulation coating. When t is a thickness of the silicon steel sheet and when PDR is defined as (PDR=(maximum?minimum)/minimum×100) which indicates a ratio concerned with maximum and minimum of number densities of AlN precipitates in three areas which are 1/10t area, ?t area, and ½t area from a surface of the silicon steel sheet along a thickness direction, the PDR is 50% or less.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: August 23, 2022
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Takeru Ichie, Masaru Takahashi, Fuminobu Murakami, Shinichi Matsui, Masahiro Yamamoto
  • Patent number: 11414355
    Abstract: A turbine engine component may comprise a Ceramic Matrix Composite (CMC) structure including a plurality of nominally dense plies, wherein each of the plurality of the nominally dense plies are bonded by at least one of a Field Assisted Sintering Technique (FAST), a Spark Plasma Sintering (SPS), or a localized heating at a bonding interface. The turbine engine component may include an airfoil extending between a first platform and a second platform, wherein the airfoil, the first platform, and the second platform define the CMC structure.
    Type: Grant
    Filed: March 21, 2019
    Date of Patent: August 16, 2022
    Assignee: Raytheon Technologies Corporation
    Inventors: Paul Sheedy, John A. Sharon, Wayde R. Schmidt, Neal Magdefrau
  • Patent number: 11400520
    Abstract: This surface-coated cutting tool is a surface-coated cutting tool having a hard coating layer formed on a surface of a tool body in which the hard coating layer includes at least one orientational Ti compound layer made of a rock salt-type cubic crystal structure containing 35 at % or more of Ti and 30 at % or more of N, a maximum TC value (TC max) is 2.5 or more, and, in the case of measuring crystal orientations, in a plane parallel to the surface of the tool body, of crystal grains for which a plane having the maximum TC value is perpendicular to the surface of the tool body, a full width at half maximum of ? scan is 30° or less.
    Type: Grant
    Filed: February 25, 2020
    Date of Patent: August 2, 2022
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventor: Akihiro Murakami
  • Patent number: 11351753
    Abstract: Provided is an electromagnetic wave transmissive metal member capable of being easily produced at a low production cost, with both a metallic luster and an electromagnetic wave transmissibility, an article using the electromagnetic wave transmissive metal member, and a production method for an electromagnetic wave transmissive metal film. The electromagnetic wave transmissive metal member comprises a metal layer and a crack layer, wherein the metal layer and the crack layer have, in their respective planes, a plurality of linear cracks extending substantially parallel to each other. The linear cracks in the metal layer and the linear cracks in the crack layer penetrate through their respective layers in a thickness direction, and are continuous with each other in the thickness direction.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: June 7, 2022
    Assignee: NITTO DENKO CORPORATION
    Inventors: Hajime Nishio, Hironobu Machinaga, Kazuto Yamagata, Masaharu Arimoto, Xiaolei Chen, Rie Hayashiuchi
  • Patent number: 11251310
    Abstract: An oxide semiconductor film contains In, Ga, and Sn at respective atomic ratios of 0.01?Ga/(In+Ga+Sn)?0.30 . . . (1), 0.01?Sn/(In+Ga+Sn)?0.40 . . . (2), and 0.55?In/(In+Ga+Sn)?0.98 . . . (3), and a rare-earth element X at an atomic ratio of 0.03?X/(In+Ga+Sn+X)?0.25 . . . (4).
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: February 15, 2022
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kazuyoshi Inoue, Masatoshi Shibata
  • Patent number: 11248305
    Abstract: The present invention provides a technology for, in copper electrolytic plating containing silver ions as an alloy component, obtaining a copper electrolytic plating film in which co-deposition of sulfur can be significantly suppressed and which is excellent in physical properties such as strength and hardness even after a high-temperature heat treatment at about 200° C. or higher. The present invention is a copper electrolytic plating bath comprising copper ions, an acid, chloride ions, and a complexing agent, wherein the copper electrolytic plating bath further comprises silver ions as an alloy component, and wherein methionine or a derivative thereof is contained as the complexing agent.
    Type: Grant
    Filed: April 18, 2018
    Date of Patent: February 15, 2022
    Assignee: C. UYEMURA & CO., LTD.
    Inventors: Naoyuki Omura, Yuki Itakura, Kazunari Kato, Raihei Ikumoto
  • Patent number: 11241726
    Abstract: A hot-rolled steel sheet not exceeding a coil opener allowable load during unwinding includes a steel sheet cut in unsteady portions at its longitudinal head and tail ends in a cutting step after a rough rolling step, having a width of 1,200 mm to 2,300 mm, a thickness of 13 mm to 25.4 mm, and at least an API standard X65-grade strength, and used in a state of being unwound after having been wound around a coil. A longitudinal end corresponding to the unwinding start includes a portion at its widthwise center recessed inwards in the longitudinal direction with respect to its two widthwise ends, the two widthwise ends projection sizes with respect to the recessed portion at the widthwise center are 20 to 295 mm, and the sum of the widths of projecting portions at the two widthwise ends is set to ¼ to ½ of the sheet width.
    Type: Grant
    Filed: November 18, 2016
    Date of Patent: February 8, 2022
    Assignee: JFE STEEL CORPORATION
    Inventors: Hiroto Goto, Yukio Kimura, Satoshi Ueoka, Nobuo Nishiura, Sonomi Shirasaki