Patents by Inventor Sang Kyun Kwon

Sang Kyun Kwon 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).

  • Patent number: 11842841
    Abstract: A coil 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 metal particles, and a plurality of indentations are formed in surfaces of at least some of the plurality of magnetic metal particles, and the surfaces of the magnetic metal particles connecting the plurality of indentations to each other are spherical.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: December 12, 2023
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Kyun Kwon, Jong Ho Chung, Chul Min Sim, Seong Jae Lee, Han Wool Ryu, Byeong Cheol Moon
  • Publication number: 20230160047
    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: January 9, 2023
    Publication date: May 25, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Kyun KWON, Han Wool RYU, Chul Min SIM, Chang Hak CHOI, Jong Suk JEONG
  • Publication number: 20230015154
    Abstract: A Fe-based alloy represented by a composition of (Fe(1-a)M1a)100-b-c-d-e-f-gM2bM3cBdPeCufTig, wherein 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 one element selected from the group consisting of Si, Al, Ga, and Ge, and a, b, c, d, e, f, and g satisfy the following content conditions: 0?a?0.5, 0<b?1.5, 0<c?4, 7?d?13, 0.1?e?5, 0.6?f?1.5, and 0<g, is provided, wherein a full width at half maximum of an XRD main peak is 0.172 or more.
    Type: Application
    Filed: May 4, 2022
    Publication date: January 19, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Kyun Kwon, Chul Min Sim, Han Wool Ryu, Byeong Cheol Moon
  • Publication number: 20230015432
    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: September 20, 2022
    Publication date: January 19, 2023
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Il LEE, Han Wool RYU, Sang Kyun KWON
  • Patent number: 11495398
    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: Grant
    Filed: June 8, 2018
    Date of Patent: November 8, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Il Lee, Han Wool Ryu, Sang Kyun Kwon
  • Patent number: 11289251
    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: Grant
    Filed: June 20, 2018
    Date of Patent: March 29, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Kyun Kwon, Han Wool Ryu, Chang Hak Choi
  • Patent number: 11211194
    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: Grant
    Filed: June 14, 2018
    Date of Patent: December 28, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Kyun Kwon, Han Wool Ryu, Young Il Lee
  • Patent number: 11104982
    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: Grant
    Filed: June 14, 2018
    Date of Patent: August 31, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Kyun Kwon, Han Wool Ryu, Chang Ryul Jung, Jong Ho Chung, Jong Suk Jeong, Chui Min Sim
  • Patent number: 10978235
    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: Grant
    Filed: August 10, 2018
    Date of Patent: April 13, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Suk Jeong, Han Wool Ryu, Seong Jae Lee, Sang Kyun Kwon, Chang Hak Choi
  • Patent number: 10923276
    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: Grant
    Filed: May 3, 2018
    Date of Patent: February 16, 2021
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Young Il Lee, Han Wool Ryu, Sang Kyun Kwon
  • Publication number: 20200411227
    Abstract: A coil 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 metal particles, and a plurality of indentations are formed in surfaces of at least some of the plurality of magnetic metal particles, and the surfaces of the magnetic metal particles connecting the plurality of indentations to each other are spherical.
    Type: Application
    Filed: October 29, 2019
    Publication date: December 31, 2020
    Inventors: Sang Kyun KWON, Jong Ho CHUNG, Chul Min SIM, Seong Jae LEE, Han Wool RYU, Byeong Cheol MOON
  • Patent number: 10714253
    Abstract: A coil component includes a body having a coil part embedded therein, and an external electrode connected to the coil part. The body contains a plurality of first magnetic particles and a plurality of second magnetic particles, the second magnetic particles being smaller than the first magnetic particles, and the pluralities of first and second magnetic particles are dispersed in a main insulating portion. The plurality of second magnetic particles are dispersed in each of a plurality of sub-insulating portions to constitute composites, and a volume percentage of the second magnetic particles in the composites is 80% to 90%.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: July 14, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sang Kyun Kwon, Jong Ho Chung
  • 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: 20190074128
    Abstract: A magnetic sheet includes a magnetic made of an Fe-based alloy, wherein the magnetic layer includes a first surface region and a second surface region opposing each other in a thickness direction of the magnetic layer, and an internal region disposed between the first surface region and the second surface region, and a crystallinity of the first surface region is higher than a crystallinity of the second surface region.
    Type: Application
    Filed: May 23, 2018
    Publication date: March 7, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seung Min LEE, Sang Kyun KWON, Jung Young CHO, Ji Hyo LEE
  • 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