Patents by Inventor Young-Joo Oh

Young-Joo Oh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240071686
    Abstract: A dielectric ceramic composition for multi-layer ceramic capacitor for use in extreme environments is formed by mixing a main compos it ion and a composite oxide for low-temperature sintering, where the main composition includes 96.0 to 99.0 wt. % of BaTiO3 and 1.0 to 4.0 wt. % of Nb2O5 and Co3O4 as an additive. The main composition is formed by per forming a heat treatment for synthesis to form a core-shell structure having the BaTiO3 as a core and the Nb2O5 and Co3O4 covering the sur face of the BaTiO3. The composite oxide for low-temperature sintering is at least one selected from BaV2O6, Ba3V4O13 and Ba4V2O9.
    Type: Application
    Filed: October 25, 2022
    Publication date: February 29, 2024
    Inventors: Young Joo OH, Jung Rag YOON, Chang Ho LEE
  • Publication number: 20230369730
    Abstract: Provided are a multi-layer ceramic battery and a method thereof. The method includes: forming a pair of conductive terminal layers to partly cover one side and the other side of a battery body; forming an outer insulating coating layer to cover the surface of the battery body and each surface of the pair of conductive terminal layers; forming a pair of insulating coating windows by polishing the outer insulating coating layer to expose the surfaces of the conductive terminal layers formed at the ends of the one side and the other side of the battery body; forming a pair of inner plating layers to connect to the surfaces of the conductive terminal layers exposed through the insulating coating windows and partly cover one side and the other side of the outer insulating coating layer; and forming a pair of outer plating layers to cover the inner plating layers.
    Type: Application
    Filed: October 25, 2022
    Publication date: November 16, 2023
    Inventors: Young Joo OH, Jung Rag YOON, Jong Kyu LEE
  • Patent number: 11776744
    Abstract: Provided is a multilayer ceramic capacitor having dielectric layers and internal electrode layers laminated alternately on one another. Each internal electrode layer comprises a common ceramic material containing 3 to 25% by weight of rare earth elements, and through the rare earth elements, high dielectric layers are formed on the interfaces between the dielectric layers and the internal electrode layers.
    Type: Grant
    Filed: April 20, 2021
    Date of Patent: October 3, 2023
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Min Kee Kim, In Hee Cho
  • Patent number: 11682522
    Abstract: Provided is a conductive paste composition for an external electrode of a multilayer ceramic capacitor that includes a conductive base material, an organic solvent, a binder resin, and a dispersing agent. The conductive base material includes a flake-shaped conductive powder, a spherical conductive powder, and first and second glass frits. The flake-shaped conductive powder has a larger size D50 than the spherical conductive powder. The first glass frit includes SiO2, SrCO3, BaCO3, Li2SO4, K2SO4, V2O5, ZnO, Al2O3, and Y2O3, and the second glass frit includes SiO2, SrCO3, BaCO3, CaF, ZnO, Al2O3, Y2O3, and L2O3.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: June 20, 2023
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, In Hee Cho
  • Patent number: 11588181
    Abstract: Provided is a high-capacity SMD-type all-solid-state battery comprising: a stacked press body; a first external electrode formed on one side of the stacked press body; and a second external electrode formed on the other side of the stacked press body, wherein the stacked press body includes: a plurality of positive electrode sheets sequentially stacked and pressed so that an end of one side of each is connected to the first external electrode; a plurality of negative electrode sheets positioned between the positive electrode sheets crosswise with respect to the positive electrode sheets, and sequentially stacked and pressed so that an end of the other side of each is connected to the second external electrode; and a plurality of electrolyte sheets positioned between the positive electrode sheets and the negative electrode sheets and sequentially stacked and pressed.
    Type: Grant
    Filed: June 26, 2020
    Date of Patent: February 21, 2023
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Jong Kyu Lee
  • Publication number: 20220406524
    Abstract: Provided is a conductive paste composition for an external electrode of a multilayer ceramic capacitor that includes a conductive base material, an organic solvent, a binder resin, and a dispersing agent. The conductive base material includes a flake-shaped conductive powder, a spherical conductive powder, and first and second glass frits. The flake-shaped conductive powder has a larger size D50 than the spherical conductive powder. The first glass frit includes SiO2, SrCO3, BaCO3, Li2SO4, K2SO4, V205, ZnO, Al2O3, andY203, and the second glass frit includes SiO2, SrCOs, BaCOs, CaF, ZnO, Al2O3, Y203, and L203.
    Type: Application
    Filed: August 20, 2021
    Publication date: December 22, 2022
    Inventors: Young Joo OH, Jung Rag YOON, In Hee CHO
  • Patent number: 11469050
    Abstract: Provided is a multilayer ceramic electronic component and a manufacturing method thereof, the component comprising: an element unit including a ceramic body, and a plurality of first internal electrodes and second internal electrodes alternately positioned inside the ceramic body to be spaced apart from each other; an external electrode unit including a first external electrode electrically communicating with the first internal electrodes and a second external electrode electrically communicating with the second internal electrodes, which are positioned to surround both sides of the element unit and to be spaced apart from each other; a silane coating layer uniformly formed on an outer surface of the element unit to expose part of an outer surface of the external electrode unit; and a plating layer formed on the exposed area of the external electrode unit.
    Type: Grant
    Filed: December 4, 2020
    Date of Patent: October 11, 2022
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon
  • Publication number: 20210366653
    Abstract: Provided is a multilayer ceramic capacitor having dielectric layers and internal electrode layers laminated alternately on one another. Each internal electrode layer comprises a common ceramic material containing 3 to 25% by weight of rare earth elements, and through the rare earth elements, high dielectric layers are formed on the interfaces between the dielectric layers and the internal electrode layers.
    Type: Application
    Filed: April 20, 2021
    Publication date: November 25, 2021
    Inventors: Young Joo OH, Jung Rag YOON, Min Kee KIM, In Hee CHO
  • Publication number: 20210367270
    Abstract: Provided is a high-capacity SMD-type all-solid-state battery comprising: a stacked press body; a first external electrode formed on one side of the stacked press body; and a second external electrode formed on the other side of the stacked press body, wherein the stacked press body includes: a plurality of positive electrode sheets sequentially stacked and pressed so that an end of one side of each is connected to the first external electrode; a plurality of negative electrode sheets positioned between the positive electrode sheets crosswise with respect to the positive electrode sheets, and sequentially stacked and pressed so that an end of the other side of each is connected to the second external electrode; and a plurality of electrolyte sheets positioned between the positive electrode sheets and the negative electrode sheets and sequentially stacked and pressed.
    Type: Application
    Filed: June 26, 2020
    Publication date: November 25, 2021
    Inventors: Young Joo OH, Jung Rag YOON, Jong Kyu LEE
  • Publication number: 20210319953
    Abstract: Provided is a multilayer ceramic electronic component and a manufacturing method thereof, the component comprising: an element unit including a ceramic body, and a plurality of first internal electrodes and second internal electrodes alternately positioned inside the ceramic body to be spaced apart from each other; an external electrode unit including a first external electrode electrically communicating with the first internal electrodes and a second external electrode electrically communicating with the second internal electrodes, which are positioned to surround both sides of the element unit and to be spaced apart from each other; a silane coating layer uniformly formed on an outer surface of the element unit to expose part of an outer surface of the external electrode unit; and a plating layer formed on the exposed area of the external electrode unit.
    Type: Application
    Filed: December 4, 2020
    Publication date: October 14, 2021
    Inventors: Young Joo OH, Jung Rag YOON
  • Patent number: 10998591
    Abstract: Provided is a battery and capacitor hybrid assembly structure includes a cylindrical metal casing, a circular metal cover plate connected to a top end periphery of the cylindrical metal casing by means of an insulation ring to seal an interior of the cylindrical metal casing, a capacitor disposed inside the cylindrical metal casing, a battery disposed inside the cylindrical metal casing in such a manner as to be placed above the capacitor, and an insulating and sealing member for enclosing the capacitor so that the capacitor is sealed inside the cylindrical metal casing.
    Type: Grant
    Filed: April 12, 2019
    Date of Patent: May 4, 2021
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Jong Kyu Lee, Byung Gwan Lee
  • Publication number: 20200028226
    Abstract: Provided is a battery and capacitor hybrid assembly structure includes a cylindrical metal casing, a circular metal cover plate connected to a top end periphery of the cylindrical metal casing by means of an insulation ring to seal an interior of the cylindrical metal casing, a capacitor disposed inside the cylindrical metal casing, a battery disposed inside the cylindrical metal casing in such a manner as to be placed above the capacitor, and an insulating and sealing member for enclosing the capacitor so that the capacitor is sealed inside the cylindrical metal casing.
    Type: Application
    Filed: April 12, 2019
    Publication date: January 23, 2020
    Inventors: Young Joo OH, Jung Rag YOON, Jong Kyu LEE, Byung Gwan LEE
  • Patent number: 10410800
    Abstract: Provided is a high capacity energy storage capacitor including: a cathode; and an anode arranged to face the cathode, wherein the cathode includes a current collector and a cathode material layer formed by applying a cathode material on one side or the other side of the current collector, and the anode includes a current collector an anode material layer formed by applying an anode material on one side or the other side of the current collector, wherein the cathode material is formed by mixing 70 to 99 wt % of nano-perforated graphene coating cathode active material and 1 to 30 wt % of nano-perforated graphene granular body, and the anode material is formed by mixing 70 to 95 wt % of nano-perforated graphene coating anode active material and 5 to 30 wt % of nano-perforated graphene granular body.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: September 10, 2019
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Byung Gwan Lee, Jong Kyu Lee
  • Patent number: 10297374
    Abstract: Provided is a metal oxide varistor having an overcurrent protection function. The metal oxide varistor includes a metal oxide varistor body, a first electrode layer, a second electrode layer coated, an anistropic conductive paste (ACP) attached to a surface of the first electrode layer on one side of the first direction, a fuse plate bonded to the ACP and electrically conductive to the first electrode layer, a first copper-plated wire having one side of a second direction orthogonal to the first direction connected to the fuse plate, a second copper-plated wire having one side of the second direction bonded to the surface of the second electrode layer on the other side of the first direction, and an insulated coating member configured to surround the first copper-plated wire and the second copper-plated wire on one side of the second direction, the metal oxide varistor body and the fuse plate.
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: May 21, 2019
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Kun Hwa Lee, Chang Kil Shon
  • Publication number: 20180269007
    Abstract: Provided is a high capacity energy storage capacitor including: a cathode; and an anode arranged to face the cathode, wherein the cathode includes a current collector and a cathode material layer formed by applying a cathode material on one side or the other side of the current collector, and the anode includes a current collector an anode material layer formed by applying an anode material on one side or the other side of the current collector, wherein the cathode material is formed by mixing 70 to 99 wt % of nano-perforated graphene coating cathode active material and 1 to 30 wt % of nano-perforated graphene granular body, and the anode material is formed by mixing 70 to 95 wt % of nano-perforated graphene coating anode active material and 5 to 30 wt % of nano-perforated graphene granular body.
    Type: Application
    Filed: February 7, 2018
    Publication date: September 20, 2018
    Inventors: Young Joo OH, Jung Rag YOON, Byung Gwan LEE, Jong Kyu LEE
  • Patent number: 10079105
    Abstract: A multi-layer ceramic capacitor assembly includes a first terminal assembly member formed by arranging first protruded members at specific intervals, a second terminal assembly member formed by arranging second protruded members at specific intervals so that they face the respective first protruded members, insulated heat dissipation members supported by the first protruded members and the second protruded members and disposed therein, and multi-layer ceramic capacitors alternately disposed between the insulated heat dissipation members so that each multi-layer ceramic capacitor comes into contact with one side and the other side of each insulated heat dissipation member in a first direction, the end on one side of the multi-layer ceramic capacitor in a second direction orthogonal to the first direction is connected to the first terminal assembly member, and the end on the other side of the multi-layer ceramic capacitor in the second direction is connected to the second terminal assembly member.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: September 18, 2018
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Young Min Yoo
  • Publication number: 20180190434
    Abstract: A multi-layer ceramic capacitor assembly includes a first terminal assembly member formed by arranging first protruded members at specific intervals, a second terminal assembly member formed by arranging second protruded members at specific intervals so that they face the respective first protruded members, insulated heat dissipation members supported by the first protruded members and the second protruded members and disposed therein, and multi-layer ceramic capacitors alternately disposed between the insulated heat dissipation members so that each multi-layer ceramic capacitor comes into contact with one side and the other side of each insulated heat dissipation member in a first direction, the end on one side of the multi-layer ceramic capacitor in a second direction orthogonal to the first direction is connected to the first terminal assembly member, and the end on the other side of the multi-layer ceramic capacitor in the second direction is connected to the second terminal assembly member.
    Type: Application
    Filed: January 5, 2017
    Publication date: July 5, 2018
    Inventors: Young Joo OH, Jung Rag YOON, Young Min YOO
  • Patent number: 10002715
    Abstract: An energy storage capacitor having a composite electrode structure includes: a case; a rolled body arranged inside the case; and an electrolyte stored inside the case. The rolled body includes: a first anode foil having a first anode lead plate connected at one side of one surface, a first cathode foil arranged to face the other surface of the first cathode foil with the one surface of the first anode foil and a first cathode lead plate connected at the other side, a second cathode foil arranged to face the other surface of the second cathode foil with one surface of the first cathode foil and having a second cathode lead plate connected at one side of one surface, a second anode foil arranged to face the one surface of the second cathode foil and a second anode lead plate connected at the other side.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: June 19, 2018
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Byung Gwan Lee
  • Patent number: 9916928
    Abstract: Provided is a high voltage multilayer ceramic capacitor and a manufacturing method thereof. The high voltage multilayer ceramic capacitor includes a multilayer ceramic sintering body; a plurality of first inner electrode layer; a plurality of second inner electrode layers; a plurality of first arc shield pattern layers respectively formed inside the multilayer ceramic sintering body to be arranged on a plane the same as those of the plurality of first inner electrode layers and spaced apart from the first inner electrode layers to surround the first inner electrode layers; and a plurality of second arc shield pattern layers respectively formed inside the multilayer ceramic sintering body to be arranged on a plane the same as those of the plurality of second inner electrode layers and spaced apart from the second inner electrode layers to surround the second inner electrode layers.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: March 13, 2018
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Jae Sung Han, Dong Soon Shin
  • Patent number: 9837217
    Abstract: A capacitor module comprises: a lower block panel including first conductive blocks arranged to be tightly attached to each other and respectively having a first lower coupling unit formed at one side and a second lower coupling unit formed at the other side; an upper block panel including second conductive blocks arranged to be tightly attached to each other and respectively having a second upper coupling unit formed at one side to be positioned on a top of the second lower coupling unit and a first upper coupling unit formed at the other side; and capacitors arranged to be positioned between the lower block panel and the upper block panel and respectively having a first external electrode connected to the first lower coupling unit or the second upper coupling unit and a second external electrode connected to the second lower coupling unit or the first upper coupling unit.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: December 5, 2017
    Assignee: SAMHWA CAPACITOR CO., LTD.
    Inventors: Young Joo Oh, Jung Rag Yoon, Ju Cheul Maeng