Patents Examined by Mark Kopec
  • Patent number: 10533098
    Abstract: A conductive paste having excellent electroconductivity and thermal conductivity is provided. A conductive paste comprising a conductive filler comprising a copper alloy powder comprising at least one transition metal belonging to group 8 to group 10 of the periodic table, and a carbon allotrope covering a surface of the copper alloy powder; and a binder resin.
    Type: Grant
    Filed: July 29, 2014
    Date of Patent: January 14, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Shigekatsu Ohnishi
  • Patent number: 10529927
    Abstract: An object of the present invention is to provide an organic thin film transistor having excellent carrier mobility and excellent atmospheric stability, a novel compound, an organic thin film transistor material, an organic semiconductor film, an organic thin film transistor composition, and a method of manufacturing an organic thin film transistor using this. The organic thin film transistor according to the present invention has an organic semiconductor film containing a compound represented by Formula (1) or (2).
    Type: Grant
    Filed: January 31, 2018
    Date of Patent: January 7, 2020
    Assignees: FUJIFILM Corporation, THE UNIVERSITY OF TOKYO
    Inventors: Eiji Fukuzaki, Hiroaki Tsuyama, Masashi Koyanagi, Yoshihisa Usami, Tetsuya Watanabe, Toshihiro Okamoto, Junichi Takeya
  • Patent number: 10526539
    Abstract: A polymerizable liquid crystal composition is presented which can form a polymer that allows formation of a uniform homeotropic alignment even without forming an alignment film on the supporting substrate and has excellent chemical strengths such as heat resistance and solvent resistance. The polymerizable liquid crystal composition includes at least one type of polyfunctional polymerizable liquid crystal compound and a cardo-type fluorene monomer, wherein based on a total amount of the polyfunctional polymerizable liquid crystal compound, a content of a monofunctional polymerizable liquid compound is less than 5.0% by weight.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: January 7, 2020
    Assignees: JNC CORPORATION, JNC PETROCHEMICAL CORPORATION
    Inventor: Nagahisa Miyagawa
  • Patent number: 10529873
    Abstract: The invention discloses an aging resistant backside silver paste used for the crystalline silicon solar cells and a preparation method thereof. The paste comprises 40-50 parts by weight of silver powder, 1-10 parts by weight of nanosized copper powder, 2-10 parts by weight of lead-free glass powder, 35-55 parts by weight of organic binder, 1-5 parts by weight of other additives. The preparation method comprises the following steps: preparation of an organic binder; preparation of lead-free glass powder and preparation of an aging resistant backside silver paste. Application of the aging resistant backside silver paste used for crystalline silicon solar cells prepared in the invention may results in a dense electrode conductive layer, excellent welding properties and a distinct advantage in aging resistance.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: January 7, 2020
    Assignee: NANTONG T-SUN NEW ENERGY CO., LTD.
    Inventor: Peng Zhu
  • Patent number: 10529486
    Abstract: A conductive paste for an external electrode that includes a conductive metal powder; a glass frit having an average particle diameter D50 of not more than 0.8 ?m and having a flat shape with an average flatness of 1.5 to 5.5; and a binder resin. A method of manufacturing an electronic component includes preparing an electronic component element; applying the conductive paste for an external electrode onto an outer surface of the electronic component element; and baking the applied conductive paste to form an external electrode.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: January 7, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yasuhiro Nishisaka
  • Patent number: 10526498
    Abstract: According to one embodiment, an ink for organic EL includes an organic EL contributing material and an organic solvent. A relative energy difference RED based on Hansen solubility parameters which attribute to the organic EL contributing material and the organic solvent, respectively, is less than 0.5.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: January 7, 2020
    Assignee: JOLED INC.
    Inventors: Tomohiko Oda, Shinichiro Ishino, Koyo Sakamoto, Yasuhiro Yamauchi
  • Patent number: 10527598
    Abstract: A metal oxide heterostructure includes mixing a first precursor and a second precursor to form a precursor aqueous mixture, adding at least one constituent to the precursor aqueous mixture to form a first solution, adding a nanostructuring reagent to the first solution to form a second solution, sonochemically treating the second solution to provide a metal oxide powder, filtering, washing, and drying the metal oxide powder to provide a metal oxide nanocomposite heterostructure for a sensing layer of a hydrogen sulfide sensor. A method for forming a hydrogen sulfide sensor includes the metal oxide heterostructure, forming a sensing material, contacting the sensing material with interdigitated electrodes to form a sensing layer, and thermally consolidating the sensing layer to form the hydrogen sulfide sensor.
    Type: Grant
    Filed: August 9, 2018
    Date of Patent: January 7, 2020
    Assignee: HONEYWELL ROMANIA S.R.L.
    Inventors: Cornel P. Cobianu, Viorel Georgel Dumitru, Bogdan-Catalin Serban, Alisa Stratulat, Mihai Brezeanu, Octavian Buiu
  • Patent number: 10516164
    Abstract: The purpose of the present invention is to easily provide at low cost, a cathode active material for non-aqueous electrolyte secondary batteries, which exhibits high particle strength and high weather resistance, while enabling achievement of excellent charge and discharge capacity and excellent output characteristics in cases where the cathode active material is used as a cathode material of a non-aqueous electrolyte secondary battery. A slurry of from 500 g/L to 2000 g/L is formed by adding water to a powder of a lithium nickel composite oxide represented by the general formula (A): LizNi1-x-yCoxMyO2, where 0.10?x?0.20, 0?y?0.10, 0.97?z?1.20, and M represents at least one element selected from among Mn, V, Mg, Mo, Nb, Ti and Al); the slurry is washed with water by stirring; and after filtration, the resulting material is subjected to a heat treatment at a temperature of from 120° C. to 550° C. (inclusive) in an oxygen atmosphere having an oxygen concentration of 80% by volume or more.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: December 24, 2019
    Assignee: SUMITOMO METAL MINING CO., LTD.
    Inventors: Tomoko Nakayama, Rei Kokado, Kensaku Mori
  • Patent number: 10510965
    Abstract: A composition for forming an organic semiconductor film that is excellent in printing properties makes it possible to prepare an organic thin film transistor excellent in mobility and insulation reliability. The composition may be used with an organic thin film transistor, electronic paper, and a display device. The composition for forming an organic semiconductor film contains an organic semiconductor material, a phenolic reductant, a polymer compound having a weight-average molecular weight of equal to or greater than 500,000, a surfactant, and an organic solvent having a standard boiling point of equal to or higher than 150° C. A ratio of a content of the organic semiconductor material to a content of the polymer compound is 0.02 to 10 based on mass, and a ratio of a content of the phenolic reductant to the content of the polymer compound is 0.1 to 5 based on mass.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: December 17, 2019
    Assignee: FUJIFILM Corporation
    Inventor: Yasuaki Matsushita
  • Patent number: 10510493
    Abstract: This core-shell composite (10) is provided with a core (11) formed from a porous carbon body having a large number of pores from the interior through to the surface, and a shell layer (12) formed from conductive polymer nanorods (12a) that extend outward from the cavities of the pores (11a) on the surface of the core. The present invention provides the core-shell composite (10), to which electrolyte ions can be efficiently adsorbed or doped, a method for producing the core-shell composite, as well as an electrode material, a catalyst, an electrode, a secondary battery and an electric double-layer capacitor that use the core-shell composite.
    Type: Grant
    Filed: February 3, 2017
    Date of Patent: December 17, 2019
    Assignees: TPR CO., LTD., NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Naoya Kobayashi, Yusuke Yamauchi, Rahul Salunkhe, Jing Tang
  • Patent number: 10508217
    Abstract: The invention is directed to a polyimide-based polymer thick film paste composition for forming a polyimide-based polymer thick film resistor, a process for forming the resistor and an electrical device containing a resistor formed using the paste composition The paste composition comprise a functional component, a polyimide, and an organic solvent and can be cured by heating.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: December 17, 2019
    Assignee: E I DU PONT DE NEMOURS AND COMPANY
    Inventor: Seigi Suh
  • Patent number: 10499498
    Abstract: An electrically conductive composite is disclosed that includes a dielectric material having a first side and a second side, conductive particles within the dielectric material layer, and a discontinuous layer of a conductive material on a first side of the dielectric layer. The conductive particles are aligned to form a plurality of conductive paths from the first side to the second side of the dielectric material, and each of the conductive paths is formed of at least a plurality of conductive particles. The discontinuous layer includes a plurality of non-mutually connected portions that cover portions of, but not all of, the first side of the dielectric material such that exposed portions of the underlying first side of the dielectric material remain exposed through the discontinuous layer, yet the discontinuous layer facilitates the electronic coupling together of a plurality of the conductive paths from the first side to the second side of the dielectric material.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: December 3, 2019
    Assignee: FLEXcon Company, Inc.
    Inventors: Kenneth Burnham, Richard Skov, Stephen Tomas, Jimmy Nguyen, Stephen M. Pizzo, Lisa Crislip
  • Patent number: 10497959
    Abstract: Solid electrolytes, anodes and cathodes for SOFC. Doped BaCeO3 useful for solid electrolytes and anodes in SOFCs exhibiting chemical stability in the presence of CO2, water vapor or both and exhibiting proton conductivity sufficiently high for practical application. Proton-conducting metal oxides of formula Ba1?xSrxCe1?y1?y2?y3Zry1Gdy2Yy3O3?? where x, y1, y2, and y3 are numbers as follows: x is 0.4 to 0.6; y1 is 0.1-0.5; y2 is 0.05 to 0.15, y3 is 0.05 to 0.15, and cathode materials of formula II GdPrBaCo2?zFezO5+? where z is a number from 0 to 1, and ? is a number that varies such that the metal oxide compositions are charge neutral. Anodes, cathodes and solid electrolyte containing such materials. SOFC containing anodes, cathodes and solid electrolyte containing such materials.
    Type: Grant
    Filed: July 3, 2015
    Date of Patent: December 3, 2019
    Assignee: UTI Limited Partnership
    Inventors: Venkataraman Thangadural, Kannan Ramaiyan, Kalpana Singh, Sukhdeep Gill
  • Patent number: 10483540
    Abstract: Disclosed is a lithium complex oxide and method of manufacturing the same, more particularly, a lithium complex oxide effective in improving the characteristics of capacity, resistance, and lifetime with reduced residual lithium and with different interplanar distances of crystalline structure between a primary particle locating in a internal part of secondary particle and a primary particle locating on the surface part of the secondary particle, and a method of preparing the same.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: November 19, 2019
    Assignee: ECOPRO BM CO., LTD.
    Inventors: Moon Ho Choi, Jong Seung Shin, Dong Hee Kim, Suk Yong Jeon, Hyun Jong Yu, Kyoung Jun Lee, Young Nam Park
  • Patent number: 10483039
    Abstract: A conductive paste for an external electrode that includes a conductive metal powder; a glass frit having an average particle diameter D50 of not more than 0.8 ?m and having a flat shape with an average flatness of 1.5 to 5.5; and a binder resin. A method of manufacturing an electronic component includes preparing an electronic component element; applying the conductive paste for an external electrode onto an outer surface of the electronic component element; and baking the applied conductive paste to form an external electrode.
    Type: Grant
    Filed: April 11, 2018
    Date of Patent: November 19, 2019
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Yasuhiro Nishisaka
  • Patent number: 10480060
    Abstract: There is provided an oxide sintered body including indium, tungsten and zinc, wherein the oxide sintered body includes a bixbite type crystal phase as a main component and has an apparent density of higher than 6.5 g/cm3 and equal to or lower than 7.1 g/cm3, a content rate of tungsten to a total of indium, tungsten and zinc is higher than 1.2 atomic % and lower than 30 atomic %, and a content rate of zinc to the total of indium, tungsten and zinc is higher than 1.2 atomic % and lower than 30 atomic %. There are also provided a sputtering target including this oxide sintered body, and a semiconductor device including an oxide semiconductor film formed by a sputtering method by using the sputtering target.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: November 19, 2019
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Miki Miyanaga, Kenichi Watatani, Koichi Sogabe
  • Patent number: 10477681
    Abstract: The present invention provides a method of fabricating a wiring board and a wiring board fabricated by the method, the method including a step of screen-printing the ink composition for light sintering on a flexible board body to form a preliminary wiring pattern, a step of drying the preliminary wiring pattern, and a step of reducing and sintering the oxidized copper of the copper oxide nanoparticles, which are included in the preliminary wiring pattern, by irradiating the dried preliminary wiring pattern with light to form a wiring pattern on the board body.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: November 12, 2019
    Assignee: Korea Electronics Technology Institute
    Inventors: Yoonjin Kim, Jinwoo Cho, Kwonwoo Shin, Yonggon Seo, Yeonwon Kim, Sanghyeon Jang, Namje Jo
  • Patent number: 10477680
    Abstract: The present invention relates to an ink composition for light sintering, a wiring board using the same, and a method of fabricating the wiring board. The present invention aims to provide formation of a wiring pattern without damage to thin and soft wiring boards such as a flexible printed circuit board. The present invention provides an ink composition for light sintering including copper oxide nanoparticles having copper oxide films, a reducing agent for reducing copper oxidized by light irradiation to form copper nanoparticles, a dispersing agent, a binder, and a solvent.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: November 12, 2019
    Assignee: Korea Electronics Technology Institute
    Inventors: Yoonjin Kim, Jinwoo Cho, Kwonwoo Shin, Yonggon Seo, Yeonwon Kim, Sanghyeon Jang, Namje Jo
  • Patent number: 10472500
    Abstract: The present disclosure generally relates chitosan-based biopolymers and chitosan biopolymer film based triboelectric nanogenerators generating voltage and current using the triboelectric effect. The chitosan-based biopolymer is a reaction product of at least a chitosan and an acid, and optionally one or more component selected from starch, lignin and/or glycerol.
    Type: Grant
    Filed: May 14, 2018
    Date of Patent: November 12, 2019
    Assignee: Purdue Research Foundation
    Inventors: Wenzhuo Wu, Ruoxing Wang
  • Patent number: 10468671
    Abstract: The present invention deals with employing Heteroatoms namely Nitrogen, Sulphur intrinsic embedded carbon nanotubes (H-CNT) as multifunctional additive for preparing lead acid battery electrodes to substitute the expander chemicals namely, Vanisperse, Dinel Fibre, Barium sulphate and carbon black. Further the invention provides H-CNT in-situ produced from Crude oil or its products.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: November 5, 2019
    Assignee: INDIAN OIL CORPORATION LIMITED
    Inventors: Palvannan Mohanasundaram, Bhanumurthy Samala, Narayanam Seshubabu, Amardeep Singh, Naduhatty Selai Raman, Sankara Sri Venkata Ramakumar, Biswapriya Das