Patents Examined by Dion Ferguson
  • Patent number: 10755856
    Abstract: A multilayer ceramic electronic component includes: a ceramic body including a dielectric layer and first and second internal electrodes alternately exposed to first and second outer surfaces with the dielectric layer interposed therebetween; and first and second external electrodes disposed on the first and second outer surfaces of the ceramic body so as to be connected to the first and second internal electrodes, respectively. The ceramic body further includes a protective layer including a protective layer dummy electrode disposed on at least one of upper and lower portions of the first and second internal electrodes, and the protective layer dummy electrode has a thickness ranging from greater than to 1.2 times or less a thickness of each of the first and second internal electrodes.
    Type: Grant
    Filed: November 26, 2018
    Date of Patent: August 25, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Do Yeon Kim, Je Jung Kim, Do Young Jeong
  • Patent number: 10755868
    Abstract: An electrolytic capacitor includes a capacitor element and an electrolyte solution. The capacitor element includes an anode foil, a cathode foil opposite to the anode foil, and a conductive polymer layer disposed between the anode foil and the cathode foil. A dielectric layer is formed on the anode foil. An inorganic layer is formed on the cathode foil. The conductive polymer layer includes a conductive polymer. The inorganic layer has a surface having projections and recesses. The projections form a region where the inorganic layer is in contact with the conductive polymer layer and the recesses form a region where the inorganic layer is not in contact with the conductive polymer layer. A proportion of water in the electrolyte solution ranges from 0.1% by mass to 6.0% by mass, inclusive.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: August 25, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Yasuhiro Tsuda
  • Patent number: 10755863
    Abstract: An electrolytic capacitor includes an anode body with a dielectric layer; a solid electrolyte layer; and an electrolytic solution. The solid electrolyte layer includes a ?-conjugated conductive polymer and an organic sulfonic acid. The electrolytic solution includes a solvent and an acid component, and the acid component includes a sulfuric acid. A concentration of the sulfuric acid in the electrolytic solution ranges from 2.9 ppm to 532 ppm, inclusive.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: August 25, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tatsuji Aoyama, Yuichiro Tsubaki
  • Patent number: 10748715
    Abstract: An energy storage device is provided in which a decrease in power caused by repetitive charge-discharge in a high-temperature environment is suppressed. In the present embodiment, an energy storage device and a method for manufacturing the energy storage device are provided, the energy storage device including an electrode which includes: an active material layer including a particulate active material; and a conductive layer layered on the active material layer and including a conduction aid. An average secondary particle diameter of the active material is 2.5 ?m or more and 6.0 ?m or less. A surface roughness Ra of the conductive layer on a side on the active material layer is 0.17 ?m or more and 0.50 ?m or less.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: August 18, 2020
    Assignee: GS Yuasa International Ltd.
    Inventors: Kazuki Kawaguchi, Akihiko Miyazaki, Sumio Mori
  • Patent number: 10741330
    Abstract: A multilayer chip capacitor includes electrodes comprised of numerous, closely spaced conductive layers. Adjacent conductive layers are essentially non-overlapping, so that fringe capacitance between opposing electrodes provides substantially all of the capacitance. The conductive layers may be shaped to form a non-planer boundary between electrodes. An additional high frequency integrated capacitor is formed from external electrode plates. The non-planar electrode boundary principle is also applied to discoidal capacitors in the form of a non-concentric electrode boundary.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: August 11, 2020
    Assignee: Presidio Components. Inc.
    Inventors: Hung Van Trinh, Alan Devoe
  • Patent number: 10737101
    Abstract: A capacitor bank for use in a medical device is provided. Through selective control over the individual capacitors employed in the bank, a low ESR can be achieved without adversely impacting other properties of the resulting medical device. More particularly, at least one capacitor in the bank may contain a solid electrolytic capacitor element that includes an anode and a solid electrolyte overlying the anode. The anode includes an anodically oxidized, sintered porous pellet and the solid electrolyte includes a plurality of conductive polymer particles.
    Type: Grant
    Filed: November 13, 2017
    Date of Patent: August 11, 2020
    Assignee: AVX Corporation
    Inventors: Jan Petrzilek, Martin Trojan
  • Patent number: 10741334
    Abstract: An apparatus and associated method for an energy-storage device (e.g., a capacitor) having a plurality of electrically conducting electrodes including a first electrode and a second electrode separated by a non-electrically conducting region, and wherein the non-electrically conducting region further includes a non-uniform permittivity (K) value. In some embodiments, the method includes providing a substrate; fabricating a first electrode on the substrate; and fabricating a second electrode such that the second electrode is separated from the first electrode by a non-electrically conducting region, wherein the non-electrically conducting region has a non-uniform permittivity (K) value. The capacitor devices will find benefit for use in electric vehicles, of all kinds, uninterruptible power supplies, wind turbines, mobile phones, and the like requiring wide temperature ranges from several hundreds of degrees C. down to absolute zero, consumer electronics operating in a temperature range of ?55 degrees C.
    Type: Grant
    Filed: October 28, 2019
    Date of Patent: August 11, 2020
    Assignee: GranBlueTech, L.L.C.
    Inventor: John P. Snyder
  • Patent number: 10734163
    Abstract: An electrolytic capacitor includes a cathode foil, an anode foil, a conductive polymer, and a liquid component. The anode foil has a dielectric layer on a main surface of the anode foil. The conductive polymer covers at least part of the dielectric layer. The conductive polymer is disposed between the cathode foil and the anode foil. The liquid component is in contact with the conductive polymer. The cathode foil includes a first oxide coating film on an end surface of the cathode foil.
    Type: Grant
    Filed: September 7, 2018
    Date of Patent: August 4, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Tatsuji Aoyama, Tomoyuki Tashiro, Yukiya Shimoyama
  • Patent number: 10726996
    Abstract: A multilayer ceramic capacitor includes a body including a dielectric layer and internal electrodes with external electrodes disposed on one surface of the body, wherein the external electrodes include a first electrode layer disposed on one surface of the body, in contact with the internal electrodes, and including titanium nitride (TiN), and a second electrode layer disposed on the first electrode layer.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: July 28, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Seung Hun Han, Dong Joon Oh, Sung Min Cho, Chang Hak Choi, Seung Mo Lim, Woong Do Jung
  • Patent number: 10720283
    Abstract: A solid electrolytic capacitor that comprises an anode that comprises a porous anode body and a dielectric layer is provided. The anode body is formed from a pressed and sintered valve metal powder having a specific charge of about 200,000 ?F*V/g or more and a phosphorous content of about 150 parts per million or less. A solid electrolyte overlies the anode.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: July 21, 2020
    Assignee: AVX Corporation
    Inventors: Masayuki Wakatsuki, Yusuke Sasaki, Yunhei Moriguchi
  • Patent number: 10720284
    Abstract: An electrolytic capacitor includes a capacitor element and an electrolyte solution. The capacitor element includes an anode foil, a cathode foil opposite to the anode foil, and a conductive polymer layer disposed between the anode foil and the cathode foil. A dielectric layer is formed on the anode foil. An inorganic layer is formed on the cathode foil. The conductive polymer layer includes a conductive polymer. The inorganic layer has a surface having projections and recesses. The projections form a region where the inorganic layer is in contact with the conductive polymer layer and the recesses form a region where the inorganic layer is not in contact with the conductive polymer layer. A proportion of water in the electrolyte solution ranges from 0.1% by mass to 6.0% by mass, inclusive.
    Type: Grant
    Filed: May 6, 2019
    Date of Patent: July 21, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Yasuhiro Tsuda
  • Patent number: 10714264
    Abstract: A metal terminal is connectable to terminal electrodes of chip components arranged side by side. The metal terminal includes units corresponding to each chip. Each unit includes an electrode facing portion, a pair of upper and lower holding portions, a mount portion, and protrusions. The electrode facing portion faces the electrode of the chip. The pair of upper and lower holding portions holds the chip. The mount portion is located below the lower holding portion of the electrode facing portion. The protrusions protrude from the electrode facing portion toward the electrode. The protrusions in each unit are arranged substantially line-symmetrically to a virtual center line passing through a middle point between the upper and lower holding portions.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: July 14, 2020
    Assignee: TDK CORPORATION
    Inventors: Norihisa Ando, Sunao Masuda, Masahiro Mori, Kayou Matsunaga, Kosuke Yazawa
  • Patent number: 10692660
    Abstract: An electrochemical capacitor includes a pair of electrodes and an electrolyte disposed between the pair of electrodes. At least a first electrode of the pair of electrodes includes a graphene framework film, and the graphene framework film includes interconnected graphene sheets with nanopores formed in the graphene sheets.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: June 23, 2020
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Xiangfeng Duan, Yuxi Xu
  • Patent number: 10685782
    Abstract: A capacitor includes a first electrode, a second electrode, and a dielectric layer of molecular material disposed between said first and second electrodes. The molecular material is described by the general formula: Dp-(Core)-Hq, where Core is a polarizable conductive anisometric core, having conjugated ?-systems, and characterized by a longitudinal axis, D and H are insulating substituents, and p and q are numbers of the D and H substituents accordingly. And Core possesses at least one dopant group that enhances polarizability.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: June 16, 2020
    Assignee: CAPACITOR SCIENCES INCORPORATED
    Inventors: Pavel Ivan Lazarev, Barry K. Sharp, Paul Furuta, Yan Li, Ian S. G. Kelly-Morgan, Matthew R. Robinson, Daniel Membreno
  • Patent number: 10685788
    Abstract: An electrolytic capacitor includes a capacitor element and an electrolyte solution. The capacitor element includes: an anode foil on which a dielectric layer is formed; a cathode foil on which an inorganic conductive layer is formed; and a conductive polymer layer disposed between the anode foil and the cathode foil. The inorganic layer has a surface having projections and recesses.
    Type: Grant
    Filed: February 27, 2019
    Date of Patent: June 16, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Yasuhiro Tsuda
  • Patent number: 10679796
    Abstract: A solid electrolytic capacitor includes a capacitor element. The capacitor element includes an anode body that is a porous sintered body, a dielectric layer disposed on a surface of the porous sintered body, an insulating material disposed on a surface of the dielectric layer, and a solid electrolyte layer disposed on a surface of the insulating material. The capacitor element has at least one corner part. An amount of the insulating material disposed in the at least one corner part of the capacitor element is larger than an amount of the insulating material disposed in a center part of the capacitor element.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: June 9, 2020
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Masanori Kashihara
  • Patent number: 10672565
    Abstract: An aluminum electrolytic capacitor includes: an exterior case of a bottomed cylindrical shape for accommodating a capacitor element in which an anode foil and a cathode foil are wound in an overlapping manner with a separator interposed therebetween; and an elastic sealing member for sealing an opening of the exterior case, wherein the exterior case is formed with, on an outer circumferential surface, a plurality of tapered concave portions whose depth in the radial direction becomes shallow from the bottomed cylindrical bottom toward the opening side, whereby a tapered raised portion, which is raised toward the center side in the radial direction, is formed on an inner circumferential surface located on the back surface of the concave portion, and the capacitor element is abutted and supported by the raised portion.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: June 2, 2020
    Assignee: NICHICON CORPORATION
    Inventors: Takaya Sakai, Mitsuru Yoneda, Kazuhiro Yasukawa, Yuichi Kanayama, Shingo Sakata
  • Patent number: 10665395
    Abstract: An electrode laminate is located in a case. The electrode laminate has opposed first and second principal surfaces and opposed first and second lateral side surfaces. The electrode laminate includes a positive electrode having a planar main surface and first and second opposed lateral ends located on opposite lateral sides of its main surface, a negative electrode having a planar main surface and first and second opposed lateral ends located on opposite lateral sides of its main surface, the main surface of the positive electrode opposing the main surface of the negative electrode. A separator is located between the opposed main surfaces of the positive and negative electrodes and has first and second lateral ends extending laterally outward from the first and second lateral ends of the positive and negative electrodes, respectively. At least a tip of the first and second lateral ends of the separator are bent in a direction towards the first principal surface of the electrode laminate.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: May 26, 2020
    Assignee: MURATA MANUFACTURING CO., LTD.
    Inventor: Masashi Higuchi
  • Patent number: 10650985
    Abstract: This invention describes a capacitor that formed by a charge or species specific membrane material filled with aqueous or non-aqueous liquid with soluble salts dissolved and non-dissolved in solution and contained within the membrane material. When charged, the oppositely charged ion will leave the structure, leaving behind a charged atomic capacitor.
    Type: Grant
    Filed: August 24, 2018
    Date of Patent: May 12, 2020
    Assignee: Atlantis Technologies
    Inventor: Patrick Michael Curran
  • Patent number: 10636585
    Abstract: Provided are a novel method for manufacturing a stack of carbon nanotube and graphene that can improve a capacitor characteristic, an electrode material including the stack of carbon nanotube and graphene, and an electric double-layer capacitor using the same. A method for manufacturing a stack of graphene and carbon nanotube includes a step of dispersing the graphene in an aqueous MOH solution (M represents an element selected from a group consisting of Li, Na, and K) to adsorb MOH on the graphene, a step of heating the graphene with MOH adsorbed thereon that is obtained in the adsorption step in vacuum or in an inert atmosphere in a temperature range of 400° C. or more and 900° C. or less to form pores in the graphene, and a step of dispersing the carbon nanotube and the graphene with the pores that are obtained in the step of forming the pores in a dispersion medium to stack the carbon nanotube and the graphene with the pores.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: April 28, 2020
    Assignee: NATIONAL INSTITUTE FOR MATERIALS SCIENCE
    Inventors: Jie Tang, Kun Zhang, Jing Li, Jinshi Yuan, Luchang Qin, Norio Shinya