Patents by Inventor Chul-Min Sim

Chul-Min Sim 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
  • Patent number: 11225720
    Abstract: A magnetic powder contains magnetic particles, a first coating layer disposed on surfaces of the magnetic particles and containing a first glass, and a second coating layer disposed on the first coating layer and containing a second glass different from the first glass. A method of manufacturing magnetic powder includes preparing magnetic particles, forming a first coating layer containing a first glass on surfaces of the magnetic particles, and forming a second coating layer containing a second glass different from the first glass on the first coating layer.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: January 18, 2022
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Jae Lee, Jung Wook Seo, Hiroyuki Matsumoto, Chul Min Sim, Jong Sik Yoon, Jong Suk Jung
  • 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: 10707012
    Abstract: A chip electronic component includes a magnetic body including magnetic metal powder particles, an internal coil unit embedded in the magnetic body, and a cover unit disposed on at least one of upper and lower surfaces of the magnetic body and including a magnetic metal plate. The magnetic metal plate is cracked and includes a plurality of metal fragments.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: July 7, 2020
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jong Suk Jeong, Kang Heon Hur, Seong Jae Lee, Jung Wook Seo, Hiroyuki Matsumoto, Chul Min Sim, Jong Sik Yoon
  • 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: 20190024245
    Abstract: A magnetic powder contains magnetic particles, a first coating layer disposed on surfaces of the magnetic particles and containing a first glass, and a second coating layer disposed on the first coating layer and containing a second glass different from the first glass. A method of manufacturing magnetic powder includes preparing magnetic particles, forming a first coating layer containing a first glass on surfaces of the magnetic particles, and forming a second coating layer containing a second glass different from the first glass on the first coating layer.
    Type: Application
    Filed: September 24, 2018
    Publication date: January 24, 2019
    Inventors: Sung Jae LEE, Jung Wook SEO, Hiroyuki MATSUMOTO, Chul Min SIM, Jong Sik YOON, Jong Suk JUNG
  • Patent number: 10161049
    Abstract: A magnetic powder contains magnetic particles, a first coating layer disposed on surfaces of the magnetic particles and containing a first glass, and a second coating layer disposed on the first coating layer and containing a second glass different from the first glass. A method of manufacturing magnetic powder includes preparing magnetic particles, forming a first coating layer containing a first glass on surfaces of the magnetic particles, and forming a second coating layer containing a second glass different from the first glass on the first coating layer.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: December 25, 2018
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Sung Jae Lee, Jung Wook Seo, Hiroyuki Matsumoto, Chul Min Sim, Jong Sik Yoon, Jong Suk Jung
  • Publication number: 20160276074
    Abstract: A magnetic powder contains magnetic particles, a first coating layer disposed on surfaces of the magnetic particles and containing a first glass, and a second coating layer disposed on the first coating layer and containing a second glass different from the first glass. A method of manufacturing magnetic powder includes preparing magnetic particles, forming a first coating layer containing a first glass on surfaces of the magnetic particles, and forming a second coating layer containing a second glass different from the first glass on the first coating layer.
    Type: Application
    Filed: March 17, 2016
    Publication date: September 22, 2016
    Inventors: Sung Jae LEE, Jung Wook SEO, Hiroyuki MATSUMOTO, Chul Min SIM, Jong Sik YOON, Jong Suk JUNG
  • Publication number: 20160172098
    Abstract: A chip electronic component includes a magnetic body including magnetic metal powder particles, an internal coil unit embedded in the magnetic body, and a cover unit disposed on at least one of upper and lower surfaces of the magnetic body and including a magnetic metal plate. The magnetic metal plate is cracked and includes a plurality of metal fragments.
    Type: Application
    Filed: December 7, 2015
    Publication date: June 16, 2016
    Inventors: Jong Suk JEONG, Kang Heon HUR, Seong Jae LEE, Jung Wook SEO, Hiroyuki MATSUMOTO, Chul Min SIM, Jong Sik YOON
  • Patent number: 6064951
    Abstract: A query transformation system and method capable of not only solving an ambiguousness of words involved in the transformation of queries from one language to another language, but also executing its processing independently of the processing of an information retrieval system used, so that it can be applied to a variety of information retrieval systems, thereby enabling the information retrieval system used to function as a multilingual information retrieval system.
    Type: Grant
    Filed: January 12, 1998
    Date of Patent: May 16, 2000
    Assignee: Electronic and Telecommunications Research Institute
    Inventors: Dong-In Park, Tae-Wan Kim, Chul-Min Sim, Won Chang, Sung-Kwon Choi, Sang-Hwa Yuh, Young-Soog Chae, Young-Kil Kim, Han-Min Jung