Patents by Inventor Han Wool RYU

Han Wool RYU 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: 20190221351
    Abstract: An inductor includes a body including a coil and an encapsulant and an external electrode on an outer surface of the body. The encapsulant includes a first core surrounding the coil and a second core surrounding the first core. The first core includes a magnetic powder having high current characteristics, and the second core includes a magnetic powder having high capacity characteristics.
    Type: Application
    Filed: August 10, 2018
    Publication date: July 18, 2019
    Inventors: Jong Suk JEONG, Han Wool RYU, Seong Jae LEE, Sang Kyun KWON, Chang Hak CHOI
  • Publication number: 20190164689
    Abstract: A coil electronic component includes a body having a coil portion embedded therein and having a form in which magnetic particles are dispersed in a first insulating material, a first atomic layer deposition (ALD) layer formed along a surface of the coil portion using a second insulating material, a second ALD layer formed along a surface of the first ALD layer using a third insulating material, and external electrodes connected to the coil portion.
    Type: Application
    Filed: May 3, 2018
    Publication date: May 30, 2019
    Inventors: Young Il LEE, Han Wool RYU, Sang Kyun KWON
  • Publication number: 20190122793
    Abstract: A coil component includes a body in which a coil portion is disposed, and external electrodes connected to the coil portion. The body includes metal particles formed of an Fe-based nanocrystal grain alloy, and the Fe-based nanocrystal grain alloy has one peak or two peaks in a differential scanning calorimetry (DSC) graph, and when the Fe-based nanocrystal grain alloy has the two peaks, a primary peak is smaller than a secondary peak, where the primary peak is at a lower temperature than the secondary peak.
    Type: Application
    Filed: June 20, 2018
    Publication date: April 25, 2019
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Kyun KWON, Han Wool RYU, Chang Hak CHOI
  • Publication number: 20190115146
    Abstract: A coil electronic component includes a body having a coil portion embedded therein, and external electrodes connected to the coil portion, wherein the body includes a plurality of magnetic portions having a form in which magnetic particles are dispersed in an insulator and one or more insulating portions disposed between the plurality of magnetic portions.
    Type: Application
    Filed: June 14, 2018
    Publication date: April 18, 2019
    Inventors: Sang Kyun KWON, Han Wool RYU, Young Il LEE
  • Publication number: 20190115147
    Abstract: A coil electronic component includes a body including an insulator; a coil portion embedded in the body; aggregates dispersed in the insulator, where the aggregates each comprise a plurality of magnetic particles, coating layers formed on surfaces of the aggregates using an insulating material, and external electrodes connected to the coil portion.
    Type: Application
    Filed: June 8, 2018
    Publication date: April 18, 2019
    Inventors: Young Il LEE, Han Wool RYU, Sang Kyun KWON
  • Publication number: 20190100828
    Abstract: An Fe-based nanocrystalline alloy is represented by Composition Formula, (Fe(1-a)M1a)100-b-c-d-e-gM2bBcPdCueM3g, where M1 is at least one element selected from Co and Ni, M2 is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, M3 is at least one element selected from the group consisting of C, Si, Al, Ga, and Ge, and 0?a?0.5, 2?b?3, 9?c?11, 1?d?2, 0.6?e?1.5, and 9?g?11.
    Type: Application
    Filed: June 14, 2018
    Publication date: April 4, 2019
    Inventors: Sang Kyun KWON, Han Wool RYU, Chang Ryul JUNG, Jong Ho CHUNG, Jong Suk JEONG, Chul Min SIM
  • Publication number: 20190055635
    Abstract: An Fe-based nanocrystalline alloy is represented by Composition Formula, (Fe(1-a)M1a)100-b-c-d-e-gM2bBcPdCueM3g, where M1 is at least one element selected from the group consisting of Co and Ni, M2 is at least one element selected from the group consisting of Nb, Mo, Zr, Ta, W, Hf, Ti, V, Cr, and Mn, M3 is at least two elements selected from the group consisting of C, Si, Al, Ga, and Ge but necessarily includes C, and 0?a?0.5, 1.5<b?3, 10?c?13, 0<d?4, 0<e?1.5, and 8.5?g?12.
    Type: Application
    Filed: June 18, 2018
    Publication date: February 21, 2019
    Inventors: Sang Kyun KWON, Han Wool RYU, Chul Min SIM, Chang Hak CHOI, Jong Suk JEONG
  • Publication number: 20180268990
    Abstract: A coil component includes a support member, an internal coil supported by the support member, and external electrodes connected to the internal coil. The external electrodes may each include a first layer coming into contact with the internal coil and a second layer disposed on a surface of the first layer. The first layer may serve as a buffer layer for improving a contact property between the internal coil and the external electrode. The second layer may be disposed to come into at least partial contact with a first end portion of the support member and a second end portion of the support member.
    Type: Application
    Filed: November 28, 2017
    Publication date: September 20, 2018
    Inventors: Hwan Soo LEE, Han Wool RYU, Hyo Chan OH, Jin Ho KU, Byoung Hwa LEE
  • Publication number: 20180033533
    Abstract: An inductor includes a body having a first magnetic portion above and below a coil, and a second magnetic portion above and below the first magnetic portion. The magnetic flux density of the magnetic substance in the first magnetic portion is higher than that of the magnetic substance in the second magnetic portion.
    Type: Application
    Filed: April 28, 2017
    Publication date: February 1, 2018
    Inventors: Han Wool RYU, Jung Hyuk JUNG, Hyo Chan OH, Yoon Hee KIM, Woon Chul CHOI, Jin Ho KU, Il Jin PARK
  • Publication number: 20170194084
    Abstract: A coil electronic component includes a magnetic body, wherein the magnetic body includes a substrate, and a coil part including patterned insulating films disposed on the substrate, a first plating layer formed between the patterned insulating films by plating, and a second plating layer disposed on the first plating layer.
    Type: Application
    Filed: August 31, 2016
    Publication date: July 6, 2017
    Inventors: Woon Chul CHOI, Ji Hye OH, Jung Hyuk JUNG, Han Wool RYU
  • Publication number: 20170032884
    Abstract: A coil electronic component includes a magnetic body that includes a substrate and a coil part. The coil part includes patterned insulating films disposed on a surface of the substrate and a plating layer formed between the patterned insulating films by plating and having a thickness greater than or equal to its width measured parallel to the surface of the substrate. The plating layer may be formed in a single plating operation, and may have a thickness of 200 ?m or more.
    Type: Application
    Filed: May 4, 2016
    Publication date: February 2, 2017
    Inventors: Woon Chul CHOI, Jung Hyuk JUNG, Woo Jin LEE, Han Wool RYU
  • Publication number: 20160314889
    Abstract: A coil component includes a body having a coil part disposed therein and an external electrode connected to the coil part. The body includes magnetic particles, and the magnetic particles include first magnetic particles, second magnetic particles, and third magnetic particles. A diameter of each of the first, second, and third magnetic particles is different from each other.
    Type: Application
    Filed: January 13, 2016
    Publication date: October 27, 2016
    Inventors: Han Wool RYU, Byoung Hwa LEE
  • Publication number: 20150028983
    Abstract: A magnetic paste composition for a chip electronic component, a chip electronic component, and a manufacturing method therof are provided. The chip electronic component is capable of being manufactured in a thin-film to allow for thinness and miniaturization thereof, thereby preventing a deterioration in efficiency thereof due to core loss even under high frequency and high current conditions. The chip electronic component exhibits high permeability, high efficiency, and a high Isat value by decreasing porosity.
    Type: Application
    Filed: April 25, 2014
    Publication date: January 29, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Han Wool RYU, Gwang Hwan HWANG, Kwi Jong LEE, Hwan Soo LEE, Hang Kyu CHO
  • Publication number: 20130171539
    Abstract: Disclosed herein is a tubular solid oxide fuel cell module including an anode layer, an electrolyte layer, a cathode layer divided into two parts or more, a conductive mesh structure and a conductive wire, and a method of manufacturing the same. The tubular solid oxide fuel cell is advantageous in that the cathode is divided into two parts or more, so that the moving distance of electric charges is decreased, with the result that resistance loss can be minimized, thereby increasing the efficiency of collecting electric charges.
    Type: Application
    Filed: March 21, 2012
    Publication date: July 4, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hong Ryul Lee, Bon Seok Koo, Jai Hyoung Gil, Sung Han Kim, Kyong Bok Min, Eon Soo Lee, Han Wool Ryu, Jong Ho Chung, Jong Sik Yoon
  • Publication number: 20130171535
    Abstract: Disclosed herein is a system for measuring performance of a solid oxide fuel cell, including: a heating furnace wrapping the solid oxide fuel cell, the heating furnace having a first opening part through which one lateral surface in a length direction of the solid oxide fuel cell outwardly protrudes and a fuel supply hole formed in one surface thereof; a first fuel storage unit; a second fuel storage unit; a first fuel supply control unit; a second fuel supply control unit; an electronic load measuring current or voltage outputted from the solid oxide fuel cell; and a control unit controlling the supply of fuel by using the first fuel supply control unit and the second fuel supply control unit, and controlling the measurement of current or voltage by using the electronic load.
    Type: Application
    Filed: May 23, 2012
    Publication date: July 4, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Han Kim, Han Wool Ryu, Eon Soo Lee, Bon Seok Koo, Hong Ryul Lee
  • Publication number: 20130075270
    Abstract: Disclosed herein is a method for coating a metallic interconnect of a solid oxide fuel cell. The method for coating a metallic interconnect of a solid oxide fuel cell includes generating a cobalt compound solution using lithium cobalt oxide (LiCoO2) that is an anodic material of a lithium ion battery; immersing the metal interconnect in a plating solution in which the generated cobalt compound solution is contained; and forming cobalt (Co) on the immersed metal interconnect by performing electroplating.
    Type: Application
    Filed: December 23, 2011
    Publication date: March 28, 2013
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Hong Ryul LEE, Han Wool RYU
  • Publication number: 20120141906
    Abstract: There are provided an electrode material for a fuel cell, a fuel cell comprising the same, and a method of manufacturing the fuel cell. The electrode material for a fuel cell comprises an electrode base material and spherical polystyrene particles forming pores on the electrode base material through heat treatment. In the case of the electrode material according to an exemplary embodiment of the present invention, the average particle size and content of the spherical polystyrene particles may be controlled to form pores having a uniform size on a sintering body formed of the electrode base material, and the control of the porosity thereof may be facilitated.
    Type: Application
    Filed: November 30, 2011
    Publication date: June 7, 2012
    Inventors: Han Wool Ryu, Hong Ryul Lee, Jae Hyuk Jang
  • Publication number: 20120064432
    Abstract: Disclosed herein is a solid oxide fuel cell. A solid oxide fuel cell 100 according to the present invention is configured to include an anode support 110, a plurality of channels including a first channel 120, a second channel 130, a third channel 140, and a fourth channel 150 penetrating through the anode support 110, an electrolyte 160 formed in inner side surfaces of specific channels, and a cathode 170 formed in an inner side surface of the electrolyte 160, whereby fuel is supplied to the outside of the anode support 110 as well as the channel in which the electrolyte 160 and the cathode 170 are not formed, thereby making it possible to increase the efficiency of the solid oxide fuel cell 100.
    Type: Application
    Filed: December 17, 2010
    Publication date: March 15, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Eon Soo LEE, Jae Hyuk JANG, Han Wool Ryu, Jae Hyoung GIL
  • Publication number: 20120058410
    Abstract: Disclosed herein is a solid oxide fuel cell. The solid oxide fuel cell includes: a tubular first electrode support layer formed with a plurality of first passages; an inner electrolyte layer formed in the first electrode support layer; an inner second electrode layer formed on the inner surface of the first electrolyte layer and forming an inner second passage; an outer electrolyte layer formed on the outer surface of the first electrode support layer; and an outer second electrode layer formed on the outer surface of the second electrolyte layer and adjacent to the outer second passage.
    Type: Application
    Filed: June 21, 2011
    Publication date: March 8, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Han Wool RYU, Eon Soo LEE, Jae Hyuk JANG, Hong Ryul LEE
  • Publication number: 20120021339
    Abstract: Disclosed herein are a solid oxide fuel cell and a manufacturing method thereof. The solid oxide fuel cell includes: an anode layer, a cathode layer, and an electrolyte layer interposed between the anode layer and the cathode layer, wherein the anode layer includes: a conductive material; yttria stabilized zirconia (YSZ); and an oxide compound for forming a solid solution with the yttria stabilized zirconia.
    Type: Application
    Filed: March 15, 2011
    Publication date: January 26, 2012
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Han Wool RYU, Jae Hyuk JANG, Hong Ryul LEE