Patents by Inventor Jong-Tae Park

Jong-Tae Park 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: 20210317545
    Abstract: An embodiment of the present invention provides a grain-oriented electrical steel sheet, including: a linear groove formed in a direction crossing a rolling direction on one surface or both surfaces of an electrical steel sheet; and a linear thermal shock portion formed in the direction crossing the rolling direction on one surface or both surfaces of the electrical steel sheet. The groove is formed in plural along the rolling direction, a distance D2 between the groove and the thermal shock portion is 0.2 to 0.5 times a distance D1 between the grooves, and a distance D3 between the thermal shock portions is 0.2 to 3.0 times the distance D1 between the grooves.
    Type: Application
    Filed: May 23, 2019
    Publication date: October 14, 2021
    Inventors: Oh-Yeoul Kwon, Jong-Tae Park, Woo-Sin Kim, Chang-Ho Kim, Hyun-Chul Park, Won-Gul Lee, Oho-Cheal Kwon
  • Publication number: 20210130937
    Abstract: A grain-oriented electrical steel sheet according to an embodiment of the prevent invention comprises: Si: 1.0% to 7.0%, C: 0.005% or less (excluding 0%), P: 0.0010 to 0.1%, Sn: 0.005 to 0.2%, S: 0.0005 to 0.020%, Se: 0.0005 to 0.020% and B: 0.0001 to 0.01% by weight, and the remainder comprising Fe and other inevitable impurities.
    Type: Application
    Filed: December 20, 2017
    Publication date: May 6, 2021
    Inventors: Kyu-Seok HAN, Chang Soo PARK, Jae-Kyoum KIM, Jong-Tae PARK
  • Publication number: 20210130922
    Abstract: A method for refining magnetic domains of a grain-oriented electrical steel sheet according to an exemplary embodiment of the present invention includes: a step of preparing a grain-oriented electrical steel sheet; and a step of forming a groove by irradiating a quasi-continuous laser beam of which a duty is from 98.0 to 99.9% on a surface of the grain-oriented electrical steel sheet.
    Type: Application
    Filed: December 20, 2017
    Publication date: May 6, 2021
    Inventors: Oh-Yeoul KWON, Ki-Young MIN, Se-Min PARK, Jong-Tae PARK, Seong-Cheol HONG
  • Publication number: 20210071280
    Abstract: A grain-oriented electrical steel sheet according to an embodiment of the present invention contains, in a unit of wt %, Si at 2.0 wt % to 4.5 wt %, C at 0.005 wt % or less (excluding 0 wt %), Mn at 0.001 wt % to 0.08 wt %, P at 0.001 wt % to 0.1 wt %, Cu at 0.001 wt % to 0.1 wt %, S at 0.0005 wt % to 0.05 wt %, Se at 0.0005 wt % to 0.05 wt %, B at 0.0001 wt % to 0.01 wt %, Mo at 0.01 wt % to 0.2 wt %, and the remainder of Fe and inevitable impurities. A sum amount of S and Se is 0.005 to 0.05 wt %.
    Type: Application
    Filed: December 17, 2018
    Publication date: March 11, 2021
    Inventors: Kyu-Seok HAN, Jae Kyoum KIM, Chang Soo PARK, Jin-Wook SEO, Jong-Tae PARK
  • Patent number: 10851431
    Abstract: A method for manufacturing a grain-oriented electrical steel sheet, according to an embodiment of the present invention includes: heating a slab, based on 100 wt % of a total composition thereof, including N at 0.0005 wt % to 0.015 wt %, Ti at 0.0001 wt % to 0.020 wt %, V at 0.0001 wt % to 0.020 wt %, Nb at 0.0001 wt % to 0.020 wt %, B at 0.0001 wt % to 0.020 wt %, and the remaining portion including Fe and other impurities, and then hot rolling it to prepare a hot-rolled steel sheet; annealing the hot-rolled steel sheet; after the hot-rolled steel sheet is annealed, cooling the hot-rolled steel sheet, and then cold rolling it to prepare a cold-rolled steel sheet; decarburization-annealing the cold-rolled steel sheet and then nitriding-annealing it, or simultaneously performing the decarburization-annealing and the nitriding-annealing; and final-annealing the decarburization-annealed and nitriding-annealed steel sheet.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: December 1, 2020
    Assignee: POSCO
    Inventors: Kyu-Seok Han, Hyung Don Joo, Jong-Tae Park, Jin-Wook Seo, Hyun-Seok Ko
  • Patent number: 10815545
    Abstract: A grain-oriented electrical steel plate of an exemplary embodiment of the present invention has a groove formed on a surface, wherein a curvature radius RBb at a position where a depth of the groove is maximum is 0.2 ?m to 100 ?m, and a curvature radius RSb on the groove surface from the position where the depth of the groove is maximum to a quarter-way position of the depth D of the groove is 4 ?m to 130 ?m.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: October 27, 2020
    Assignee: POSCO
    Inventors: Oh-Yeoul Kwon, Won-Gul Lee, Seong-Cheol Hong, Gyoo-Taek Lee, Jong-Tae Park, Choong Soo Lim
  • Publication number: 20200095648
    Abstract: The present invention provides an annealing separator composition for a grain-oriented electrical steel sheet, a grain-oriented electrical steel sheet and a method for manufacturing a grain-oriented electrical steel sheet. An annealing separator composition for a grain-oriented electrical steel sheet according to an embodiment of the present invention comprises: 100 parts by weight of at least one of magnesium oxide and magnesium hydroxide; 5 to 200 parts by weight of aluminum hydroxide; and 0.1 to 20 parts by weight of a boron compound.
    Type: Application
    Filed: December 20, 2017
    Publication date: March 26, 2020
    Inventors: Min Soo Han, Jong-Tae Park, Chang Soo Park, Yunsu Kim
  • Publication number: 20190382860
    Abstract: The present invention has been made in an effort to provide an annealing separator component for an oriented electrical steel sheet, an oriented electrical steel sheet, and a manufacturing method thereof. According to an exemplary embodiment of the present invention, an annealing separator composition for an oriented electrical steel sheet, includes: 100 weight parts of at least one of magnesium oxide and magnesium hydroxide; and 5 to 200 weight parts of aluminum hydroxide.
    Type: Application
    Filed: December 20, 2017
    Publication date: December 19, 2019
    Inventors: Min Soo HAN, Jong-Tae PARK, Yun Su KIM, Chang Soo PARK
  • Publication number: 20190321920
    Abstract: A grain-oriented electrical steel sheet according to an exemplary embodiment of the present invention incudes a groove formed on a surface and a solidified alloy layer formed under the groove, wherein the solidified alloy layer includes recrystallized particles of which an average particle diameter is 1 to 8 ?m.
    Type: Application
    Filed: December 20, 2017
    Publication date: October 24, 2019
    Inventors: Oh-Yeoul KWON, Se-Min PARK, Jong-Tae PARK, Won-Gul LEE
  • Publication number: 20190010623
    Abstract: The present disclosure relates to an Fe—Ni—P alloy multilayered steel sheet and a method of manufacturing the same. Provided is an Fe—Ni—P alloy multilayered steel sheet including: an Fe—Ni alloy layer including 30 wt % to 85 wt % of Ni, a remainder Fe, and other inevitable impurities, with respect to 100 wt % as a whole; and an Fe—P alloy layer including 6 wt % to 12 wt % of P, a remainder Fe, and other inevitable impurities, with respect to 100 wt % as a whole, in which the Fe—Ni alloy layer and the Fe—P alloy layer are alternately laminated on each other several times.
    Type: Application
    Filed: December 20, 2016
    Publication date: January 10, 2019
    Inventors: Dongkyun KIM, Minho JO, Su-Yong SIN, Jong-Tae PARK, Yong-Soo KIM
  • Publication number: 20180371573
    Abstract: A grain-oriented electrical steel sheet according to an embodiment of the present disclosure includes: a forsterite layer formed on the surface of an electrical steel sheet; a groove which is formed on the forsterite layer in a direction perpendicular to a rolling direction; and a forsterite calcination layer which is formed in the direction of both ends of the electrical steel sheet on the basis of an upper end of the groove and has a width of 1.1 to 1.3 times the width of the groove.
    Type: Application
    Filed: December 23, 2016
    Publication date: December 27, 2018
    Inventors: Oh Yeoul KWON, Se Min PARK, Jong-Tae PARK, Jae Kyoum KIM, Seung Gon LEE, Won Gul LEE
  • Patent number: 9883896
    Abstract: The present invention relates to a jawbone distraction system and control method thereof, including a jawbone extension apparatus, a remote controller and a monitor, the jawbone distractor being configured to allow a horizontal shift of alveolar bone as well as performing vertical jawbone distraction, being precisely controlled in a wireless mode and configured to control a drive of the jawbone distractor through the remote controller while ascertaining a driving state by the monitor.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: February 6, 2018
    Assignees: Industry-Academic Cooperation Foundation, Yonsei University, JIWELL ELECTRONICS CO., LTD.
    Inventors: Hee Jin Kim, Jong Tae Park, Kyung Seok Hu, Hyung Jun Kim, Jung Yul Cha, Jae Gi Lee, Gyu Hag Kim
  • Publication number: 20180010206
    Abstract: Provided is an oriented electrical steel sheet including a groove existing on the surface of the electrical steel sheet and a forsterite layer formed on a part or all of the surface of the electrical steel sheet, in which forsterite which is extended from the forsterite layer and penetrates to a base steel sheet in an anchor form is present on the surface of the side of the groove.
    Type: Application
    Filed: December 21, 2015
    Publication date: January 11, 2018
    Inventors: Oh-Yeoul KWON, Seung Gon LEE, Hyun-Chul PARK, Jung Hun PARK, Seong-Kyu SEE, Sung-Yeun WON, Jae-Kyoum KIM, Jong-Tae PARK, Se Min PARK
  • Patent number: 9864543
    Abstract: A communication method of an application processor includes generating a plurality of files; generating a file set channel by transmitting a first pattern of input/output (I/O) requests to a storage device, the I/O requests being I/O requests corresponding to files from among the plurality of files; and transmitting first bit data to the storage device via the file set channel, the first bit data being transmitted using file set signaling, the file set signaling including a second pattern of I/O requests corresponding to first files from among the plurality of files such that each file in the plurality of files represents a bit of the first bit data.
    Type: Grant
    Filed: February 14, 2017
    Date of Patent: January 9, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Chansol Kim, Jong Tae Park
  • Publication number: 20180002772
    Abstract: A method for manufacturing a grain-oriented electrical steel sheet, according to an embodiment of the present invention includes: heating a slab, based on 100 wt % of a total composition thereof, including N at 0.0005 wt % to 0.015 wt %, Ti at 0.0001 wt % to 0.020 wt %, V at 0.0001 wt % to 0.020 wt %, Nb at 0.0001 wt % to 0.020 wt %, B at 0.0001 wt % to 0.020 wt %, and the remaining portion including Fe and other impurities, and then hot rolling it to prepare a hot-rolled steel sheet; annealing the hot-rolled steel sheet; after the hot-rolled steel sheet is annealed, cooling the hot-rolled steel sheet, and then cold rolling it to prepare a cold-rolled steel sheet; decarburization-annealing the cold-rolled steel sheet and then nitriding-annealing it, or simultaneously performing the decarburization-annealing and the nitriding-annealing; and final-annealing the decarburization-annealed and nitriding-annealed steel sheet.
    Type: Application
    Filed: December 18, 2015
    Publication date: January 4, 2018
    Inventors: Kyu-Seok HAN, Hyung Don JOO, Jong-Tae PARK, Jin-Wook SEO, Hyun-Seok KO
  • Patent number: 9860545
    Abstract: Methods and apparatuses for efficiently coding and decoding multi-view video are provided. A method of decoding multi-view video includes: interpreting from a received bitstream a block type indicating a method of determining a motion vector of a current block present in a current picture of the multi-view video; interpreting a first picture type indicating whether the current picture is a reference picture type for inter prediction; interpreting additional information of the current picture based on at least one of the interpreted first picture type and the interpreted block type; and reconstructing the current block and the current picture by using the additional information.
    Type: Grant
    Filed: January 6, 2009
    Date of Patent: January 2, 2018
    Assignees: SAMSUNG ELECTRONICS CO., LTD., Industry Academic Cooperation Foundation Kyunghee University
    Inventors: Gwang-Hoon Park, Kyu-Heon Kim, Min-Woo Park, Doug-Young Suh, Jong-Tae Park, Gwang-Hoon Park
  • Publication number: 20170369960
    Abstract: A grain-oriented electrical steel plate of an exemplary embodiment of the present invention has a groove formed on a surface, wherein a curvature radius RBb at a position where a depth of the groove is maximum is 0.2 ?m to 100 ?m, and a curvature radius RSb on the groove surface from the position where the depth of the groove is maximum to a quarter-way position of the depth D of the groove is 4 ?m to 130 ?m.
    Type: Application
    Filed: December 21, 2015
    Publication date: December 28, 2017
    Inventors: Oh-Yeoul KWON, Won-Gul LEE, Seong-Cheol HONG, Gyoo-Taek LEE, Jong-Tae PARK, Choong Soo LIM
  • Patent number: 9728277
    Abstract: A method of repairing a storage device including a non-volatile memory includes powering on the storage device, performing a booting sequence, determining whether an error has occurred during the booting sequence or during a normal mode, writing a failure signature to a predetermined signature address in the non-volatile memory upon determining that the error has occurred, reporting a failure to a host upon writing the failure signature, entering into a repair mode upon reporting the failure, and operating in the normal mode upon determining that the error has not occurred.
    Type: Grant
    Filed: July 30, 2015
    Date of Patent: August 8, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Joon Ho Lee, Jong Tae Park
  • Publication number: 20170153841
    Abstract: A communication method of an application processor includes generating a plurality of files; generating a file set channel by transmitting a first pattern of input/output (I/O) requests to a storage device, the I/O requests being I/O requests corresponding to files from among the plurality of files; and transmitting first bit data to the storage device via the file set channel, the first bit data being transmitted using file set signaling, the file set signaling including a second pattern of I/O requests corresponding to first files from among the plurality of files such that each file in the plurality of files represents a bit of the first bit data.
    Type: Application
    Filed: February 14, 2017
    Publication date: June 1, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chansol KIM, Jong Tae PARK
  • Patent number: 9663839
    Abstract: Provided is a method for manufacturing a grain-oriented electrical steel sheet, the method comprising: heating a grain-oriented electrical steel sheet slab; hot-rolling the heated slab; optionally annealing the hot-rolled steel sheet; subjecting the resulting steel sheet to one cold rolling or two or more cold rollings with intermediate annealing therebetween; subjecting the cold-rolled steel sheet to primary recrystallization annealing; and subjecting the annealed steel sheet to secondary recrystallization annealing, wherein the primary recrystallization annealing sequentially comprises an ultra-rapid heating process of heating the steel sheet at an average heating rate of 300° C./sec or higher, a rapid heating process of heating the steel sheet at a lower average heating rate than the average heating rate of the ultra-rapid heating process, but not lower than 100° C.
    Type: Grant
    Filed: December 16, 2011
    Date of Patent: May 30, 2017
    Assignee: POSCO
    Inventors: Hyung-Don Joo, Chang-Soo Kim, Jong-Tae Park, Jong-Ho Park, Byeong-Goo Kim, Jin-Wook Seo