Patents Examined by Mark Kopec
  • Plurality of host materials and organic electroluminescent device comprising the same
    Patent number: 11552257
    Abstract: The present disclosure relates to a plurality of host materials comprising a first host material having a compound represented by formula 1, and a second host material having a compound represented by formula 2, and an organic electroluminescent device comprising the same. By comprising a specific combination of compounds of the present disclosure as host materials, it is possible to provide an organic electroluminescent device having long lifetime properties while having an equivalent or improved level of power efficiency compared to conventional organic electroluminescent devices.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: January 10, 2023
    Inventors: Bitnari Kim, Doo-Hyeon Moon, Su-Hyun Lee, Du-Yong Park, So-Young Jung, Hae-Yeon Kim, Sang-Hee Cho
  • Fabrication of CoVOcomposite thin film electrode via single step AACVD
    Patent number: 11542614
    Abstract: A CoVOx composite electrode and method of making is described. The composite electrode comprises a substrate with an average 0.5-5 ?m thick layer of CoVOx having pores with average diameters of 2-200 nm. The method of making the composite electrode involves contacting the substrate with an aerosol comprising a solvent, a cobalt complex, and a vanadium complex. The CoVOx composite electrode is capable of being used in an electrochemical cell for water oxidation.
    Type: Grant
    Filed: October 22, 2019
    Date of Patent: January 3, 2023
    Assignee: King Fahd University of Petroleum and Minerals
    Inventors: Abdul Rehman, Abbas Hakeem Saeed, Muhammad Ali Ehsan
  • Electrically conductive surface and a process for producing the same
    Patent number: 11545817
    Abstract: Load-bearing apparatus/systems for location in the vicinity of energized power lines are provided. The apparatus includes a base member. The base member has an upper layer and a backing surface layer. An uppermost surface of the upper layer is adapted to support on it at least power line workers and/or related stringing equipment. At least the uppermost surface of the upper layer is adapted to be electrically conductive. Methods for forming the apparatus are also provided.
    Type: Grant
    Filed: July 26, 2018
    Date of Patent: January 3, 2023
    Assignee: Quanta Associates, L.P.
    Inventors: David James Ball, Jody Milton Greer, David Karl Wabnegger, Robert Wayne Palmer
  • Anode active material for lithium secondary battery, method of manufacturing same and lithium secondary battery comprising same
    Patent number: 11545664
    Abstract: The present disclosure relates to an anode active material for a lithium secondary battery, a method of manufacturing the anode active material, and a lithium secondary battery including the anode active material. The anode active material includes natural graphite particles configured such that flaky natural graphite fragment particles having uneven (??) surface defects are structured in a cabbage shape or at random and granulated, the surface and the inside of the natural graphite particles including a gap formed between the flaky natural graphite fragment particles, and a coating layer including amorphous or semicrystalline carbon formed on the surface of the flaky natural graphite fragment particles that form the gap and the surface of the natural graphite particles.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: January 3, 2023
    Assignee: KNU-Industry Cooperation Foundation
    Inventors: Sung Man Lee, Ki Hoon Kim
  • Conductive resin composition, conductive adhesive, and semiconductor device
    Patent number: 11542417
    Abstract: A low temperature rapid curing type low elastic conductive adhesive is provided which is useful as a conductive adhesive for component mounting in a field of FHE. The conductive resin composition contains (A) at least two types of urethane acrylate oligomers, (B) a radical polymerizable monomer, (C) a free radical generation curing agent, and (D) conductive particle. In the conductive resin composition, the component (A) preferably contains a high molecular weight urethane acrylate oligomer having a weight average molecular weight of 10,000 or more (A1), and a low molecular weight urethane acrylate oligomer having a weight average molecular weight of 9,999 or less (A2).
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: January 3, 2023
    Inventors: Irma Yolanda Kapoglis, Masayoshi Otomo
  • Rapid pyrolysis to form super ionic conducting lithium garnets
    Patent number: 11535525
    Abstract: A method of preparing a lithium-ion conducting garnet via low-temperature solid-state synthesis is disclosed. The lithium-ion conducting garnet comprises a substantially phase pure aluminum-doped cubic lithium lanthanum zirconate (Li7La3Zr2O14). The method includes preparing nanoparticles comprising lanthanum zirconate (La2Zr2O7-np) via pyrolysis-mediated reaction of lanthanum nitrate (La(NO3)3) and zirconium nitrate (Zr(NO3)4). The method also includes pyrolyzing a solid-state mixture comprising the La2Zr2O7-np, lithium nitrate (LiNO3), and aluminum nitrate (Al(NO3)3) to give the Li7La3Zr2O14 and thereby prepare the lithium-ion conducting garnet. A lithium-ion conducting garnet prepared via the method is also disclosed.
    Type: Grant
    Filed: January 25, 2021
    Date of Patent: December 27, 2022
    Assignee: UT-BATTELLE, LLC
    Inventors: Luc L. Daemen, Robert L. Sacci, Beth L. Armstrong, Nathan Kidder
  • Synthesis of highly ordered nanoparticle arrays in anisotropic nanoreactors
    Patent number: 11534831
    Abstract: Disclosed herein are methods for forming one or more nanoparticles. The methods include depositing a solution comprising a block copolymer and a metal salt into one or more square pyramidal nanoholes formed in a substrate, and annealing the substrate to provide a single nanoparticle in each of the one or more square pyramidal nanoholes.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: December 27, 2022
    Assignee: NORTHWESTERN UNIVERSITY
    Inventors: Chad A. Mirkin, Liban Jibril, Pengcheng Chen
  • Silver paste
    Patent number: 11535767
    Abstract: The present invention provides a silver paste containing at least a silver powder, a binder resin, and an organic solvent, wherein the silver powder contains a first silver powder having a D50 of 3.50 to 7.50 ?m and a second silver powder having a D50 of 0.80 to 2.00 ?m, where D50 represents a 50% value of a volume-based cumulative fraction obtained by laser diffraction particle size distribution measurement; a copper content of the whole silver powder is 10 to 5000 ppm by mass; a copper content of the second silver powder is 80 ppm by mass or more; and the first silver powder contains substantially no copper. The present invention provides a silver paste containing a powder in a high concentration and excellent in printability, and provides a silver conductor film that has a high filling factor, a high film density, high electrical conductivity, and excellent migration resistance.
    Type: Grant
    Filed: November 28, 2019
    Date of Patent: December 27, 2022
    Assignee: SHOEI CHEMICAL INC.
    Inventors: Kousuke Nishimura, Naoto Shindo, Hiroshi Mashima, Yuji Akimoto
  • Solvents and slurries comprising a poly(carboxylic acid) binder for silicon electrode manufacture
    Patent number: 11532818
    Abstract: A binder solution for manufacturing silicon-based anodes useful for lithium-ion electrochemical cells is described herein. The binder solution comprises a poly(carboxylic acid) binder dissolved in a mixed solvent system comprising an amide solvent of Formula I, as described herein, and a second solvent which can be water and/or an organic solvent. The binder preferably comprises poly(acrylic acid). The mixed solvent system comprises about 10 to about 99 vol % of the amide solvent of Formula I. The binder solution is utilized as a solvent for a slurry of silicon-containing particles for preparing a silicon-containing electrode. The slurries made with the mixed solvent systems have higher viscosity and are more stable than slurries containing the same concentrations of silicon particle, carbon particles, and binder in water as the sole solvent.
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: December 20, 2022
    Assignee: UCHICAGO ARGONNE, LLC
    Inventors: Lu Zhang, Zhangxing Shi, Andrew Jansen, Stephen Trask
  • Adhesion structure and electronic device
    Patent number: 11528830
    Abstract: An adhesion structure and an electronic device are provided. The adhesion structure includes a substrate and an adhesive layer. The adhesive layer is disposed on the substrate, and the adhesive layer includes a plurality of graphene microplates. A part of the graphene microplates protrude from two opposite surfaces of the adhesive layer. The thickness of the graphene microplates is greater than or equal to 0.3 nanometers and is less than or equal to 3 nanometers. The flake diameter of the graphene microplates is greater than or equal to 1 micrometer and is less than or equal to 30 micrometers. The adhesion structure can not only provide the adhesive function, but also improve the heat dissipation efficiency of electronic device.
    Type: Grant
    Filed: August 5, 2020
    Date of Patent: December 13, 2022
    Assignee: CTRON ADVANCED MATERIAL CO., LTD.
    Inventor: Ming-Hsiang He
  • Dynamic covalent thermoset nanocomposites and uses thereof
    Patent number: 11518840
    Abstract: In one aspect, the invention provides a healable, recyclable and malleable e-skin. In certain embodiments, the e-skin comprises sensors that can detect at least one applied stimulus. In other embodiments, the e-skin comprises a dynamic covalent thermo set doped with a nano-particle composition, thereby rendering the doped thermoset conductive. The e-skin of the invention has potential applicability to the fields of robotics, prosthetics, health monitoring, biomedical devices and consumer products.
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: December 6, 2022
    Assignee: The Regents of the University of Colorado
    Inventors: Jianliang Xiao, Wei Zhang, Zhanan Zou, Chengpu Zhu
  • Positive electrode active material for non-aqueous electrolyte secondary battery, and non-aqueous electrolyte secondary battery
    Patent number: 11522188
    Abstract: An advantage is to provide a non-aqueous electrolyte secondary battery with improved heat resistance. A positive electrode active material contains a lithium-transition metal composite oxide containing 80 mol % or more of Ni and 0.1 mol % to 1.5 mol % of B on the basis of the total number of moles of metal elements excluding Li, and B and at least one element (M1) selected from Groups 4 to 6 are present on at least the surfaces of particles of the composite oxide. When particles having a volume-based particle size larger than 70% particle size (D70) are first particles, and particles having a volume-based particle size smaller than 30% particle size (D30) are second particles, the molar fraction of M1 on the basis of the total number of moles of metallic elements excluding Li on the surfaces of the second particles is greater than that of the first particles.
    Type: Grant
    Filed: September 22, 2020
    Date of Patent: December 6, 2022
    Assignees: PANASONIC HOLDINGS CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Takashi Ko, Shinya Suzuki, Fumiharu Niina, Sho Tsuruta, Natsumi Goto, Ryo Hanazaki
  • Positive active material for rechargeable lithium battery, method of preparing the same and rechargeable lithium battery including the same
    Patent number: 11515521
    Abstract: A positive active material for a rechargeable lithium battery includes a first compound represented by Chemical Formula 1, and a second compound represented by Chemical Formula 2 and having a smaller particle diameter than the first compound, wherein at least one of the first compound and the second compound includes a core and a surface layer surrounding the core: Lia1Nix1Coy1M11-x1-y1O2,??Chemical Formula 1 Lia2Nix2Coy2M21-x2-y2O2,??Chemical Formula 2 wherein M1 and M2 are each independently at least one selected from Mn, Al, Cr, Fe, V, Mg, Ti, Zr, Nb, Mo, W, Cu, Zn, Ga, In, Sn, La, and Ce. The atomic concentration (at %) of nickel (Ni) with respect to the total amount of non-lithium metals is higher in the surface layer than in the core, and an amount of cation mixing is less than or equal to about 3%.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: November 29, 2022
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Mingzi Hong, Young-Ki Kim, Jungjoon Park, Soonrewl Lee, Youngjoo Chae, Ickkyu Choi, Soonkie Hong
  • Positive electrode active material for secondary battery, method of preparing the same, and lithium secondary battery including the positive electrode active material
    Patent number: 11515522
    Abstract: A positive electrode active material for a secondary battery includes a first positive electrode active material and a second positive electrode active material, wherein an average particle diameter (D50) of the first positive electrode active material is twice or more than an average particle diameter (D50) of the second positive electrode active material, and the second positive electrode active material has a crystallite size of 200 nm or more.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: November 29, 2022
    Inventors: Dong Hun Lee, Young Uk Park, Wang Mo Jung, Sung Bin Park, Dong Hwi Kim, Tae Gu Yoo
  • Method of preparing positive electrode active material for secondary battery
    Patent number: 11508961
    Abstract: A method of preparing a positive electrode active material for a secondary battery includes preparing a positive electrode active material precursor including nickel (Ni), cobalt (Co), and at least one selected from the group consisting of manganese (Mn) and aluminum (Al); and forming a lithium composite transition metal oxide by mixing the positive electrode active material precursor and a lithium source and performing calcination, wherein the positive electrode active material precursor includes nickel (Ni) in an amount of 60 mol % or more out of the entire metal element, and a molar ratio (Li/M) of lithium (Li) of the lithium source to the entire metal element (M) of the positive electrode active material precursor is greater than 1.1.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: November 22, 2022
    Inventors: Sung Bin Park, Wang Mo Jung, Dong Hun Lee, Ji Hye Kim, Dong Hwi Kim, Hyung Man Cho, Jung Min Han
  • High strength/highly conductive copper alloy plate material and manufacturing method therefor
    Patent number: 11505857
    Abstract: A high strength/highly conductive copper alloy plate material of the present invention contains silver in a range of 4% by mass or more and 13% by mass or less, and balancing copper and unavoidable impurities. In the high strength/highly conductive copper alloy plate material, a minimum value of a tensile strength (UTS) is 600 MPa or more and 1250 MPa or less, and a conductivity (% IACS) is 60% or more and 90% or less.
    Type: Grant
    Filed: August 10, 2018
    Date of Patent: November 22, 2022
    Assignee: TANAKA KIKINZOKU KOGYO K. K.
    Inventors: Yusuke Saito, Takaomi Kishimoto, Sigeyuki Nakano
  • Materials with extremely durable intercalation of lithium and manufacturing methods thereof
    Patent number: 11495798
    Abstract: Composites of silicon and various porous scaffold materials, such as carbon material comprising micro-, meso- and/or macropores, and methods for manufacturing the same are provided. The compositions find utility in various applications, including electrical energy storage electrodes and devices comprising the same.
    Type: Grant
    Filed: July 7, 2022
    Date of Patent: November 8, 2022
    Assignee: Group14 Technologies, Inc.
    Inventors: Avery Sakshaug, Henry R. Costantino, Aaron M. Feaver, Leah A. Thompkins, Katharine Geramita, Benjamin E. Kron, Sarah Fredrick, Farshid Afkhami, Adam Strong
  • Composite and infrared absorber, thin film, photoelectric device, and electronic device including same
    Patent number: 11492420
    Abstract: A composite includes a polymer network including pectin or a pectin derivative; a low-molecular compound having a hydrophilic group in the polymer network; and a polyvalent metal ion coordinated with an anion present in the polymer chain of the polymer network.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: November 8, 2022
    Assignees: Samsung Electronics Co., Ltd., California Institute of Technology
    Inventors: Yeong Suk Choi, Vincenzo Costanza, Luca Bonanomi, Chiara Daraio, Linghui Wang, Tae Hyun Kim, Zhun Zhou
  • Positive electrode active material particle
    Patent number: 11489151
    Abstract: A positive electrode active material particle with little deterioration is provided. A power storage device with little deterioration is provided. A highly safe power storage device is provided. The positive electrode active material particle includes a first crystal grain, a second crystal grain, and a crystal grain boundary positioned between the crystal grain and the second crystal grain; the first crystal grain and the second crystal grain include lithium, a transition metal, and oxygen; the crystal grain boundary includes magnesium and oxygen; and the positive electrode active material particle includes a region where the ratio of the atomic concentration of magnesium in the crystal grain boundary to the atomic concentration of the transition metal in first crystal grain and the second crystal grain is greater than or equal to 0.010 and less than or equal to 0.50.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: November 1, 2022
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Masahiro Takahashi, Teruaki Ochiai, Yohei Momma, Ayae Tsuruta
  • Composition comprising carbon nanotubes and non-conjugated polymer molecules and method of preparation thereof
    Patent number: 11479468
    Abstract: A composition, which may be in the form of a film, comprises a network of carbon nanotubes. One or more non-conjugated polymer molecules are associated with individual carbon nanotubes or small bundles of carbon nanotubes in the form of polymer-nanotube complexes.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: October 25, 2022
    Assignee: OXFORD UNIVERSITY INNOVATION LIMITED
    Inventors: Giulio Mazzotta, Robin John Nicholas, Moritz Kilian Riede