Patents Examined by Humera N. Sheikh
  • Patent number: 11649533
    Abstract: The iron alloy particle is a particle including an iron alloy. The particle includes multiple mixed-phase particles, each including nanocrystals of 10 nm or more and 100 nm or less (i.e., from 10 nm to 100 nm) in crystallite size and an amorphous phase; and a grain boundary layer between the mixed-phase particles. Also, the iron alloy has a composition containing Fe, Si, P, B, C, and Cu.
    Type: Grant
    Filed: September 10, 2020
    Date of Patent: May 16, 2023
    Assignee: Murata Manufacturing Co., Ltd.
    Inventor: Manabu Nakano
  • 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: 11642870
    Abstract: A glass carrier-attached copper foil is provided that is suitable for production of a desired circuit mounting board ensuring electric conduction over the entire copper layer, reducing separation of the copper layer at the cut edge even if the copper foil is downsized, and having an intended circuit pattern with a fine pitch. The glass carrier-attached copper foil includes a glass carrier, a release layer provided on the glass carrier, and a copper layer provided on the release layer. The release layer has a function to enable release of the copper layer from the glass carrier. The glass carrier-attached copper foil has a plurality of releasable regions including the release layer and an unreleasable region not including the release layer. The unreleasable region has a pattern defining the releasable regions.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: May 9, 2023
    Assignee: MITSUI MINING & SMELTING CO., LTD.
    Inventor: Rintaro Ishii
  • Patent number: 11633769
    Abstract: To provide a chassis for a small electronic device that can be formed efficiently by drawing work with low cost, is hard to cause forming failure, and causes no damage on the surface thereof on forming to provide an excellent appearance. The rolled aluminum alloy laminated sheet material is for forming a chassis for a small electronic device by drawing work, and contains a rolled aluminum alloy sheet material having a 0.2% proof stress of 200 MPa or more, and a covering material laminated at least one surface of both surfaces of the rolled aluminum alloy sheet material, and the covering material contains any one of a synthetic resin film, and a laminated material containing a metal foil having synthetic resin films laminated on both surfaces thereof. The rolled aluminum alloy sheet material may have a fibrous crystalline structure extending in a direction perpendicular to a thickness direction thereof.
    Type: Grant
    Filed: October 25, 2016
    Date of Patent: April 25, 2023
    Assignee: RESONAC PACKAGING CORPORATION
    Inventor: Masanori Takeuchi
  • 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: 11623893
    Abstract: A surface-coated cutting tool according to the present invention includes a tool body and a hard coating layer including a complex carbonitride layer containing a small amount of chlorine and (Ti(1-x)ZrxyHfx(1-y))(N(1-z)Cz) (0.10?x?0.90, 0<y?1.0, 0.08<z<0.60), a ZrHf and C content ratios in cycles, a cycle distance between a maximum ZrHf content point and an adjacent minimum ZrHf content point and a cycle distance between a maximum C content point and an adjacent minimum C content point are 5 to 100 nm, an average value of content ratio differences ?x and ?z is 0.02 or more, a distance between the maximum ZrHf content point and the maximum C content point is ? or less of the distance between a maximum content point and a minimum content point of adjacent ZrHf components, and a composition fluctuation structure is 10% or more.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: April 11, 2023
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventors: Akihiro Murakami, Masaki Okude, Shin Nishida
  • Patent number: 11618965
    Abstract: A Ni-plated steel sheet according to an aspect of the present invention includes: a base steel sheet; an Fe—Ni diffusion alloy region disposed on the base steel sheet; and a Ni plating region disposed on the Fe—Ni diffusion alloy region, in which an average equivalent circle diameter of crystal grains made of Ni (fcc) in the Ni plating region measured in a cross section perpendicular to a rolled surface of the base steel sheet is 0.2 to 4.0 ?m.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: April 4, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Yasuto Goto, Kiyokazu Ishizuka, Takehiro Takahashi
  • 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: 11613796
    Abstract: A cemented carbide comprising 55-90 parts by mass of WC particles and 10-45 parts by mass of a Fe-based binder phase; the binder phase having a composition comprising 0.5-10% by mass of Ni, 0.2-2% by mass of C, 0.5-5% by mass of Cr, 0.2-2.0% by mass of Si, and 0.1-5% by mass of W, the balance being Fe and inevitable impurities, and containing 0.05-2.0% by area of Fe—Si—O-based particles.
    Type: Grant
    Filed: January 31, 2019
    Date of Patent: March 28, 2023
    Assignee: HITACHI METALS, LTD.
    Inventor: Takumi Ohata
  • Patent number: 11613824
    Abstract: An electroplating copper layer includes bamboo-like copper crystal particles having a highly preferred orientation. The bamboo-like copper crystal particles have a long axis direction and a short axis direction, and the bamboo-like copper crystal particles have a length of 20 nm to 5 ?m in the long axis direction and a length of 20 nm to 2 ?m in the short axis direction. The bamboo-like copper crystal particles have a uniform particle size, and the electroplating copper layer has a major diffraction peak at a 2? angle of about 44°.
    Type: Grant
    Filed: February 27, 2020
    Date of Patent: March 28, 2023
    Assignee: SUZHOU SHINHAO MATERIALS LLC
    Inventors: Yun Zhang, Jing Wang, Zifang Zhu, Tao Ma, Luming Chen
  • Patent number: 11603584
    Abstract: Embodiments of the disclosure relate to a ferritic alloy having excellent ability to withstand nuclear power plant accidents and a method of manufacturing a nuclear fuel cladding tube using the same. The alloy includes iron (Fe), aluminum (Al), chromium (Cr), and nickel (Ni). The nickel (Ni) may be included 0.5 to 10 wt % based on a total amount of the alloy. The chromium may be included 13 to 18 wt % based on the total amount of the alloy. The aluminum may be included 5 to 7 wt % based on the total amount of the alloy.
    Type: Grant
    Filed: February 24, 2020
    Date of Patent: March 14, 2023
    Assignees: KEPCO NUCLEAR FUEL CO., LTD., KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Sung Yong Lee, Hun Jang, Seung Jae Lee, Yoon Ho Kim, Dae Gyun Ko, Changheui Jang, Chaewon Kim, Hyunmyung Kim
  • Patent number: 11600413
    Abstract: R—Fe—B sintered magnet has a main phase containing R2(Fe,(Co))14B intermetallic compound and a grain boundary phase. The inter-particle grain boundary includes an expanded width part that is surrounded by a narrow width part at which the inter-particle width is 10 nm or less and that has a structure distended in the inter-particle width direction as compared with the grain boundary width of the narrow width part; the inter-particle width at the expanded width part is at least 30 nm; Fe/R ratio in the expanded width part is 0.01-2.5; the main phase includes, in the surface part thereof, an HR-rich phase represented by (R?,HR)2(Fe,(Co))14B (R? represents rare-earth elements excluding Dy, Tb, and Ho, and that essentially include Nd; and HR represents Dy, Tb, and Ho); the contained amount of HR in the HR-rich phase is higher than that in the central part of the main phase.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: March 7, 2023
    Assignee: Shin-Etsu Chemical Co., Ltd.
    Inventors: Tetsuya Ohashi, Koichi Hirota, Hajime Nakamura
  • Patent number: 11590570
    Abstract: A material for porous metal body having a coil shape of a wire material wound in a helical shape, made of metal which having good thermal conductivity and can join by sintering; an average wire diameter Dw of the wire material is 0.05 mm to 2.00 mm inclusive, an average coil outer diameter Dc is 0.5 mm to 10.0 mm inclusive, a coil length L of 1 mm to 20 mm inclusive, and a winding number N is 1 to 10; and the plurality of materials for porous metal body are combined and sintered to form a metal porous body having a plurality of pores so that a pore ratio of the metal porous body is facilitated to be controlled.
    Type: Grant
    Filed: January 16, 2019
    Date of Patent: February 28, 2023
    Assignee: MITSUBISHI MATERIALS CORPORATION
    Inventor: Toshihiko Saiwai
  • 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: 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: 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: 11584696
    Abstract: A copper-ceramic composite: includes a ceramic substrate containing alumina and a copper or copper alloy coating on the ceramic substrate. The alumina has a mean grain shape factor Ra(Al2O3), defined as the arithmetic mean of the shape factors R of the alumina grains, of at least 0.4.
    Type: Grant
    Filed: February 16, 2017
    Date of Patent: February 21, 2023
    Assignee: Heraeus Deutschland GmbH & Co. KG
    Inventors: Kai Herbst, Christian Muschelknautz
  • Patent number: 11578392
    Abstract: A preferable aspect of the present invention provides a high-strength high-toughness hot-rolled steel sheet and a manufacturing method therefor, wherein the hot-rolled steel sheet contains, by weight, 0.07-0.13% C, 0.20-0.50% Si, 0.5-0.9% Mn, 0.03% or less P, 0.02% or less S, 0.005-0.03% Nb, 0.3-0.6% Cr, 0.005-0.03% Ti, 0.1-0.35% Cu, 0.05-0.3% Ni, 0.01-0.15% Mo, 0.007% or less N, 0.001-0.006% Ca, 0.01-0.05% Al, and the balance Fe and other unavoidable impurities, the alloy elements satisfying the following relational formulas [Relational formula 1] 1.6?(Mo/96)/(P/31)?6, [Relational formula 2] 1.6?(Ca/S)?3, and [Relational formula 3] 3.5?(3*C/12+Mn/55)*100?5; wherein a microstructure comprises, by area fraction, 85% or more of polygonal ferrite and 15% or less of pearlite, the crystal grain size of the polygonal ferrite being 10 ?m or less; and wherein a variation in yield strength in a width direction is 35 MPa or lower.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: February 14, 2023
    Assignee: POSCO CO., LTD
    Inventor: Jin-Ho Bae
  • Patent number: 11578394
    Abstract: A nickel-containing steel for low temperature according to an aspect of the present invention has a chemical composition within a predetermined range, in which a metallographic structure of a thickness middle portion contains 2.0 vol % to 20.0 vol % of an austenite phase, an average grain size of prior austenite grains is 3.0 ?m to 15.0 ?m, an average aspect ratio of the prior austenite grains is 1.0 to 2.4, a plate thickness is 4.5 mm to 30 mm, the chemical composition and the average grain size of the prior austenite grains are further limited depending on the plate thickness, a yield stress at room temperature is 460 MPa to 710 MPa, and a tensile strength at the room temperature is 560 MPa to 810 MPa.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: February 14, 2023
    Assignee: NIPPON STEEL CORPORATION
    Inventors: Tetsuya Namegawa, Manabu Hoshino, Shinichi Omiya, Takayuki Kagaya