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).
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Patent number: 12173393Abstract: 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: GrantFiled: January 9, 2023Date of Patent: December 24, 2024Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyun Kwon, Han Wool Ryu, Chul Min Sim, Chang Hak Choi, Jong Suk Jeong
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Patent number: 11842841Abstract: 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: GrantFiled: October 29, 2019Date of Patent: December 12, 2023Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyun Kwon, Jong Ho Chung, Chul Min Sim, Seong Jae Lee, Han Wool Ryu, Byeong Cheol Moon
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Publication number: 20230160047Abstract: 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: ApplicationFiled: January 9, 2023Publication date: May 25, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyun KWON, Han Wool RYU, Chul Min SIM, Chang Hak CHOI, Jong Suk JEONG
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Publication number: 20230015154Abstract: 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: ApplicationFiled: May 4, 2022Publication date: January 19, 2023Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sang Kyun Kwon, Chul Min Sim, Han Wool Ryu, Byeong Cheol Moon
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Patent number: 11225720Abstract: 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: GrantFiled: September 24, 2018Date of Patent: January 18, 2022Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Jae Lee, Jung Wook Seo, Hiroyuki Matsumoto, Chul Min Sim, Jong Sik Yoon, Jong Suk Jung
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Publication number: 20200411227Abstract: 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: ApplicationFiled: October 29, 2019Publication date: December 31, 2020Inventors: Sang Kyun KWON, Jong Ho CHUNG, Chul Min SIM, Seong Jae LEE, Han Wool RYU, Byeong Cheol MOON
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Patent number: 10707012Abstract: 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: GrantFiled: December 7, 2015Date of Patent: July 7, 2020Assignee: 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
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Publication number: 20190100828Abstract: 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: ApplicationFiled: June 14, 2018Publication date: April 4, 2019Inventors: Sang Kyun KWON, Han Wool RYU, Chang Ryul JUNG, Jong Ho CHUNG, Jong Suk JEONG, Chul Min SIM
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Publication number: 20190055635Abstract: 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: ApplicationFiled: June 18, 2018Publication date: February 21, 2019Inventors: Sang Kyun KWON, Han Wool RYU, Chul Min SIM, Chang Hak CHOI, Jong Suk JEONG
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Publication number: 20190024245Abstract: 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: ApplicationFiled: September 24, 2018Publication date: January 24, 2019Inventors: Sung Jae LEE, Jung Wook SEO, Hiroyuki MATSUMOTO, Chul Min SIM, Jong Sik YOON, Jong Suk JUNG
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Patent number: 10161049Abstract: 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: GrantFiled: March 17, 2016Date of Patent: December 25, 2018Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Sung Jae Lee, Jung Wook Seo, Hiroyuki Matsumoto, Chul Min Sim, Jong Sik Yoon, Jong Suk Jung
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Publication number: 20160276074Abstract: 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: ApplicationFiled: March 17, 2016Publication date: September 22, 2016Inventors: Sung Jae LEE, Jung Wook SEO, Hiroyuki MATSUMOTO, Chul Min SIM, Jong Sik YOON, Jong Suk JUNG
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Publication number: 20160172098Abstract: 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: ApplicationFiled: December 7, 2015Publication date: June 16, 2016Inventors: Jong Suk JEONG, Kang Heon HUR, Seong Jae LEE, Jung Wook SEO, Hiroyuki MATSUMOTO, Chul Min SIM, Jong Sik YOON
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Patent number: 6064951Abstract: 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: GrantFiled: January 12, 1998Date of Patent: May 16, 2000Assignee: Electronic and Telecommunications Research InstituteInventors: 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