Patents by Inventor Kang Ryong CHOI

Kang Ryong CHOI 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: 11469038
    Abstract: A coil electronic component includes a magnetic body in which internal coil parts are embedded, and a metal shielding sheet disposed on at least one of an upper portion and a lower portion of the magnetic body in a thickness direction, in which permeability of the metal shielding sheet is 100 times or higher than permeability of magnetic metal powder contained in the magnetic body.
    Type: Grant
    Filed: September 20, 2018
    Date of Patent: October 11, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kang Ryong Choi, Il Jin Park, Jung Wook Seo, Jong Ok Jeon, Won Sik Chong, Woo Jin Lee, Jung Young Cho
  • Patent number: 11367558
    Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: June 21, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Se Hyung Lee, Je Ik Moon, Jung Wook Seo, Jun Sung Lee, Woo Jin Lee, Kang Ryong Choi, Il Jin Park, Gwang Hwan Hwang
  • Publication number: 20200066437
    Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.
    Type: Application
    Filed: October 30, 2019
    Publication date: February 27, 2020
    Inventors: Se Hyung LEE, Je Ik MOON, Jung Wook SEO, Jun Sung LEE, Woo Jin LEE, Kang Ryong CHOI, Il Jin PARK, Gwang Hwan HWANG
  • Patent number: 10497505
    Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: December 3, 2019
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Se Hyung Lee, Je Ik Moon, Jung Wook Seo, Jun Sung Lee, Woo Jin Lee, Kang Ryong Choi, Il Jin Park, Gwang Hwan Hwang
  • Publication number: 20190198237
    Abstract: A coil electronic component includes a magnetic body in which internal coil parts are embedded, and a metal shielding sheet disposed on at least one of an upper portion and a lower portion of the magnetic body in a thickness direction, in which permeability of the metal shielding sheet is 100 times or higher than permeability of magnetic metal powder contained in the magnetic body.
    Type: Application
    Filed: September 20, 2018
    Publication date: June 27, 2019
    Inventors: Kang Ryong CHOI, Il Jin PARK, Jung Wook SEO, Jong Ok JEON, Won Sik CHONG, Woo Jin LEE, Jung Young CHO
  • Patent number: 9984821
    Abstract: A multilayer ceramic capacitor includes an active region including a plurality of dielectric layers, and first and second internal electrodes alternately disposed with each of the dielectric layers interposed therebetween; and upper and lower cover regions including at least one ferromagnetic layer and disposed on and below the active region, respectively.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: May 29, 2018
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Yong An, Kang Ryong Choi, Jae Yeong Kim, Yong Hui Li, Byeong Cheol Moon, Jeong Gu Yeo
  • Publication number: 20180061550
    Abstract: A magnetic composition includes first, second, and third magnetic metal particles. The first magnetic metal particles have an average particle size of 10 ?m to 28 ?m; the second magnetic metal particles have an average particle size of 1 ?m to 4.5 ?m; and the third magnetic metal particles include insulating layers disposed on surfaces thereof and have a particle size of 300 nm or less. Therefore, eddy current loss of an inductor having a body formed of the magnetic composition may be improved, and high efficiency and inductance of the inductor may be secured.
    Type: Application
    Filed: March 28, 2017
    Publication date: March 1, 2018
    Inventors: Se Hyung LEE, Je Ik MOON, Jung Wook SEO, Jun Sung LEE, Woo Jin LEE, Kang Ryong CHOI, Il Jin PARK, Gwang Hwan HWANG
  • Patent number: 9793741
    Abstract: The present invention relates to a magnetic sheet, a wireless charging sheet, and a method for manufacturing a magnetic sheet. According to an embodiment of the present invention, a magnetic sheet used in a wireless charging sheet, which includes a metal sheet layer consisting of a plurality of divided segments; and an insulating material filled in a dividing space between the segments and forms a magnetic path of a magnetic field generated around a coil, is provided. Further, a wireless charging sheet and a method for manufacturing a magnetic sheet are provided.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: October 17, 2017
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jeong Gu Yeo, Kang Ryong Choi, Dong Hyeok Choi, Sung Yong An, Chang Ryul Jung, Ji Man Ryu
  • Patent number: 9614491
    Abstract: A composite electronic component includes a composite body containing a capacitor and an inductor coupled to each other, the capacitor including a ceramic body having a plurality of dielectric layers and first and second internal electrodes, and the inductor including a magnetic body including a coil part, an input terminal disposed on a first end surface of the composite body and connected to the coil part, an output terminal including first output terminals disposed on a second end surface of the composite body and connected to the coil part and a second output terminal disposed on a second side surface of the composite body and connected to the first internal electrodes, and a ground terminal disposed on a first side surface of the composite body. The capacitor and the inductor are coupled in a vertical direction, and a magnetic metal layer is provided between the inductor and the capacitor.
    Type: Grant
    Filed: June 19, 2015
    Date of Patent: April 4, 2017
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kang Ryong Choi, Il Jin Park, Sung Yong An, Jung Wook Seo, Myeong Gi Kim
  • Patent number: 9609183
    Abstract: There is provided a camera module including: a lens housing in which a lens is disposed; a glass cover formed of a transparent material and covering the lens housing; and a coil conductive part formed between an outer surface of the lens and an inner surface of the glass cover.
    Type: Grant
    Filed: August 19, 2014
    Date of Patent: March 28, 2017
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kang Ryong Choi, Hyung Jin Jeon, Jeong Gu Yeo, Kang Heon Hur, Sung Yong An, Jung Wook Seo
  • Publication number: 20170084392
    Abstract: A multilayer ceramic capacitor includes an active region including a plurality of dielectric layers, and first and second internal electrodes alternately disposed with each of the dielectric layers interposed therebetween; and upper and lower cover regions including at least one ferromagnetic layer and disposed on and below the active region, respectively.
    Type: Application
    Filed: February 24, 2016
    Publication date: March 23, 2017
    Inventors: Sung Yong AN, Kang Ryong CHOI, Jae Yeong KIM, Yong Hui LI, Byeong Cheol MOON, Jeong Gu YEO
  • Publication number: 20170019510
    Abstract: A cover for an electronic device may include a metal plate having a first metal region formed of a metal; a through-hole formed in a portion of the first metal region of the metal plate; and an electrical open path extending from the through-hole to an end portion on one side of the first metal region through metal oxidation.
    Type: Application
    Filed: September 30, 2016
    Publication date: January 19, 2017
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dae Seong JEON, Jong Lae KIM, Kang Ryong CHOI
  • Patent number: 9516150
    Abstract: A cover for an electronic device may include a metal plate having a first metal region formed of a metal; a through-hole formed in a portion of the first metal region of the metal plate; and an electrical open path extending from the through-hole to an end portion on one side of the first metal region through metal oxidation.
    Type: Grant
    Filed: August 13, 2014
    Date of Patent: December 6, 2016
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Dae Seong Jeon, Jong Lae Kim, Kang Ryong Choi
  • Patent number: 9424983
    Abstract: There is provided a thin film coil, including a thin type coil pattern, and a coil lead-out portion including a lead-out line traversing the coil pattern from a central portion thereof and electrically connecting the central portion of the coil pattern to the outside thereof and a conductive adhesive layer electrically connecting the central portion of the coil pattern to the lead-out line.
    Type: Grant
    Filed: May 16, 2013
    Date of Patent: August 23, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kang Ryong Choi, Sung Yong An, Jeong Gu Yeo, Chang Ryul Jung
  • Publication number: 20150371781
    Abstract: A composite electronic component includes a composite body containing a capacitor and an inductor coupled to each other, the capacitor including a ceramic body having a plurality of dielectric layers and first and second internal electrodes, and the inductor including a magnetic body including a coil part, an input terminal disposed on a first end surface of the composite body and connected to the coil part, an output terminal including first output terminals disposed on a second end surface of the composite body and connected to the coil part and a second output terminal disposed on a second side surface of the composite body and connected to the first internal electrodes, and a ground terminal disposed on a first side surface of the composite body. The capacitor and the inductor are coupled in a vertical direction, and a magnetic metal layer is provided between the inductor and the capacitor.
    Type: Application
    Filed: June 19, 2015
    Publication date: December 24, 2015
    Inventors: Kang Ryong CHOI, Il Jin PARK, Sung Yong AN, Jung Wook SEO, Myeong Gi KIM
  • Publication number: 20150102892
    Abstract: The present invention relates to a magnetic sheet, a wireless charging sheet, and a method for manufacturing a magnetic sheet. According to an embodiment of the present invention, a magnetic sheet used in a wireless charging sheet, which includes a metal sheet layer consisting of a plurality of divided segments; and an insulating material filled in a dividing space between the segments and forms a magnetic path of a magnetic field generated around a coil, is provided. Further, a wireless charging sheet and a method for manufacturing a magnetic sheet are provided.
    Type: Application
    Filed: October 10, 2014
    Publication date: April 16, 2015
    Inventors: Jeong Gu YEO, Kang Ryong CHOI, Dong Hyeok CHOI, Sung Yong AN, Chang Ryul JUNG, Ji Man RYU
  • Publication number: 20150091688
    Abstract: There is provided a coil sheet including: a base sheet, and a coil unit disposed on the base sheet and including a central conductive part and a surface conductive part formed on surfaces of the central conductive part, wherein when a thickness of the surface conductive part formed on lateral surfaces of the central conductive part is ‘a’ and a thickness of the surface conductive part formed on an upper surface of the central conductive part is ‘b’, a<b may be satisfied.
    Type: Application
    Filed: December 13, 2013
    Publication date: April 2, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Chang Ryul JUNG, Kang Ryong CHOI, Sung Yong AN
  • Publication number: 20150055009
    Abstract: There is provided a camera module including: a lens housing in which a lens is disposed; a glass cover formed of a transparent material and covering the lens housing; and a coil conductive part formed between an outer surface of the lens and an inner surface of the glass cover.
    Type: Application
    Filed: August 19, 2014
    Publication date: February 26, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kang Ryong Choi, Hyung Jin Jeon, Jeong Gu Yeo, Kang Heon Hur, Sung Yong An, Jung Wook Seo
  • Publication number: 20150054692
    Abstract: There is provided an antenna module formed to correspond to an opening formed in a frame, including: a coil conductor part disposed in the opening of the frame when viewed on a plane; and a substrate including the coil conductor part formed thereon. The coil conductor part is wound outside a non-conductive portion of the substrate.
    Type: Application
    Filed: August 19, 2014
    Publication date: February 26, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Kang Ryong Choi, Hyung Jin Jeon, Sung Yong An, Kang Heon Hur, Jung Wook Seo
  • Publication number: 20150050968
    Abstract: A cover for an electronic device may include a metal plate having a first metal region formed of a metal; a through-hole formed in a portion of the first metal region of the metal plate; and an electrical open path extending from the through-hole to an end portion on one side of the first metal region through metal oxidation.
    Type: Application
    Filed: August 13, 2014
    Publication date: February 19, 2015
    Inventors: Dae Seong JEON, Jong Lae KIM, Kang Ryong CHOI