Patents by Inventor Tae-chul (Edward) Jung

Tae-chul (Edward) Jung 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: 12006576
    Abstract: Provided are a plated steel sheet and a method for manufacturing same, the plated steel sheet comprising: a base steel sheet; a Zn—Mg—Al plating layer provided on at least one surface of the base steel sheet; and an Fe—Al inhibition layer provided between the base steel sheet and the Zn—Mg—Al plating layer. The plating layer comprises, by weight %, 4 to 10% of Mg and 5.1-25% of Al and the remainder being Zn and unavoidable impurities with respect to components not including iron (Fe) diffused from the base steel sheet. The plating layer comprises a 24-50% MgZn2 phase in phase fraction. In the MgZn2 phase, an Al single phase is present in the ratio of 1-30% relative to the cross-sectional area of the total MgZn2 phase.
    Type: Grant
    Filed: September 24, 2020
    Date of Patent: June 11, 2024
    Assignees: POSCO, STEEL & CONVERGENCE TECHNOLOGY RESEARCH ASSOCIATION, POSCO COATED & COLOR STEEL CO., LTD.
    Inventors: Sung-Joo Kim, Kyung-Kwan Park, Moon-Hi Hong, Heung-Yun Kim, Tae-Yeul Park, Myung-Soo Kim, Il-Ryoung Sohn, Tae-Chul Kim, Dae-Young Kang
  • Publication number: 20240093341
    Abstract: A plated steel wire, according to one aspect of the present invention, comprises: a base steel wire; and a zinc alloy plated layer. The zinc alloy plated layer comprises, in percentage by weight: 1.0% to 3.0% of AI; 1.0% to 2.0% of Mg; 0.5% to 5.0% of Fe; and the balance being Zn and unavoidable impurities, and includes a Zn/MgZn2/AI ternary eutectic structure, a Zn single-phase structure, and an Fe—Zn-AI-based crystal structure, wherein the Fe—Zn-AI-based crystal structure is formed adjacent to the base steel wire, and can have an average thickness of ? to ½ with respect to an average thickness of the zinc alloy plated layer.
    Type: Application
    Filed: November 27, 2023
    Publication date: March 21, 2024
    Applicants: POSCO CO., LTD, KISWIRE LTD., HONGDUK INDUSTRIAL CO., LTD.
    Inventors: Tae-Chul Kim, Jong-Sung Kim, Sung-Hoon Kang, Gwang-Weon Yu, Il-Ryoung Sohn, Jong-Sang Kim
  • Publication number: 20240052471
    Abstract: The present invention relates to a plated steel sheet which can be used for automobiles, home appliances, building materials, etc. and a method for manufacturing same and, more particularly, to a zinc alloy plated steel sheet having excellent adhesion to an adhesive and a method for manufacturing same.
    Type: Application
    Filed: December 20, 2021
    Publication date: February 15, 2024
    Applicant: POSCO Co., Ltd
    Inventors: Tae-Chul Kim, Il-Ryoung Sohn, Bong-Hwan Yoo
  • Publication number: 20240043947
    Abstract: According to an aspect of the present invention, provided are a high strength zinc-plated steel sheet having excellent uniform spot weldability along the width direction, and a manufacturing method thereof.
    Type: Application
    Filed: December 7, 2021
    Publication date: February 8, 2024
    Applicant: POSCO Co., Ltd
    Inventors: Ki-Cheol Kang, Dae-Young Kang, Tae-Chul Kim, Seul-Gi So, Myung-Soo Kim, Jong-Sang Kim
  • Publication number: 20240043953
    Abstract: A hot-dip galvanized steel sheet according to one aspect of the present invention comprises a base steel sheet and a hot-dip galvanized layer formed on the surface of the base steel sheet, wherein the difference between the average of the Mn/Si values of surface oxides present on a surface portion, which is the region from the interface between the hot-dip galvanized layer and the base steel sheet to a depth of 15 nm, and the average of the Mn/Si values of internal oxides, which are present in the region from the interface to a depth of 50-100 nm, can be 0.5 or more. Mn and Si of each oxide mean the amounts (wt %) of Mn and Si components in the oxide, which are measured by EDS, and the average of Mn/Si values means the averaged value of the Mn/Si values measured for each oxide.
    Type: Application
    Filed: December 17, 2021
    Publication date: February 8, 2024
    Applicant: POSCO Co., Ltd
    Inventors: Ki-Cheol Kang, Tae-Chul Kim, Myung-Soo Kim, Jong-Sang Kim
  • Publication number: 20240026488
    Abstract: The present invention relates to a high-strength hot-dipped galvanized steel sheet having excellent surface quality and spot weldability and a method for manufacturing same. The hot-dipped galvanized steel sheet according to one aspect of the present invention comprises a base steel sheet and a hot-dipped galvanized layer formed on the surface of the base steel sheet, in which an inhibiting layer made of an Fe—Al alloy can be formed at an area ratio of 60% or more between the base steel sheet and the hot-dipped galvanized layer.
    Type: Application
    Filed: December 21, 2021
    Publication date: January 25, 2024
    Applicant: POSCO Co., Ltd
    Inventors: Ki-Cheol Kang, Yong-Joo Kim, Tae-Chul Kim, Myung-Soo Kim, Jong-Sang Kim
  • Patent number: 11834747
    Abstract: A plated steel wire, according to one aspect of the present invention, comprises: a base steel wire; and a zinc alloy plated layer. The zinc alloy plated layer comprises, in percentage by weight: 1.0% to 3.0% of Al; 1.0% to 2.0% of Mg; 0.5% to 5.0% of Fe; and the balance being Zn and unavoidable impurities, and includes a Zn/MgZn2/Al ternary eutectic structure, a Zn single-phase structure, and an Fe—Zn—Al-based crystal structure, wherein the Fe—Zn—Al-based crystal structure is formed adjacent to the base steel wire, and can have an average thickness of ? to ½ with respect to an average thickness of the zinc alloy plated layer.
    Type: Grant
    Filed: June 26, 2019
    Date of Patent: December 5, 2023
    Assignees: POSCO CO., LTD, KISWIRE LTD., HONGDUK INDUSTRIAL CO., LTD.
    Inventors: Tae-Chul Kim, Jong-Sung Kim, Sung-Hoon Kang, Gwang-Weon Yu, Il-Ryoung Sohn, Jong-Sang Kim
  • Patent number: 11779035
    Abstract: The present invention relates to a low-calorie beverage having excellent sensory properties and sweetness, and more particularly, to a beverage containing allulose as a sweetener.
    Type: Grant
    Filed: November 27, 2018
    Date of Patent: October 10, 2023
    Assignee: SAMYANG CORPORATION
    Inventors: Tae-Chul Han, Bong Chan Kim, Yong-In Kim, Il Seo, Seung Mi Lee, Su Youn Lim, Hye Jin Lim
  • Publication number: 20230235438
    Abstract: Provided are a plated steel sheet and a method for manufacturing same, the plated steel sheet comprising: a base steel sheet; a Zn—Mg—Al based steel sheet plating layer provided on at least one surface of the base steel sheet; and an Fe—Al based inhibition layer provided between the base steel sheet and the Zn—Mg—Al based plating layer, wherein the plating layer comprises, in wt %: 4% or more of Mg; 2.1 times or more of Mg content and 14.2% or less of Al; 0.2% or less (including 0%) of Si; 0.1% or less (including 0%) of Sn; the remainder Zn; and unavoidable impurities.
    Type: Application
    Filed: June 18, 2021
    Publication date: July 27, 2023
    Applicant: POSCO
    Inventors: Il-Ryoung Sohn, Sung-Joo Kim, Tae-Chul Kim, Bong-Hwan Yoo, Myung-Soo Kim, Jong-Sang Kim, Sang-Tae Han, Kwang-Won Kim
  • Patent number: 11692259
    Abstract: Provided are a hot-dip zinc plated steel material and a method for preparing same, the hot-dip zinc plated steel material comprising: base iron comprising 0.01-1.6 wt % of Si and 1.2-3.1 wt % of Mn; a Zn—Al—Mg alloy plating layer; and an Al-rich layer formed on the interface of the base iron and Zn—Al—Mg alloy plating layer, wherein the rate of occupied surface area of the Al-rich layer is 70% or higher (including 100%).
    Type: Grant
    Filed: March 15, 2022
    Date of Patent: July 4, 2023
    Assignee: POSCO
    Inventors: Il-Ryoung Sohn, Dae-Young Kang, Jong-Sang Kim, Tae-Chul Kim, Min-Suk Oh
  • Patent number: 11653667
    Abstract: The present invention relates to chocolate containing allulose and a method of preparing thereof, and more specifically, provides a chocolate composition having reduction of saccharides added to chocolate, masking of bitter taste of chocolate and excellent emulsion stability, and a method of preparing thereof.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: May 23, 2023
    Assignee: SAMYANG CORPORATION
    Inventors: Il Seo, Bong Chan Kim, Yong-In Kim, Seung Mi Lee, Su Youn Lim, Hye Jin Lim, Tae-Chul Han, Jung Sook Han
  • Patent number: 11643714
    Abstract: The present disclosure relates to a plated steel material that can be used in an automobile, a household appliance, a building material, and the like, and more particularly, to a zinc alloy plated steel material having excellent surface quality and corrosion resistance, and a method for manufacturing the same.
    Type: Grant
    Filed: April 26, 2022
    Date of Patent: May 9, 2023
    Assignee: POSCO CO., LTD
    Inventors: Il-Ryoung Sohn, Tae-Chul Kim, Jung-Kuk Kim, Kyung-Jin An, Jung-Hoon Kim, Jong-Un Jung, Jin-Seo Park
  • Publication number: 20230094302
    Abstract: A semiconductor device and an electronic system including the same are disclosed. The semiconductor device may include a substrate including a cell array region and a connection region, the cell array region comprising a center region and an outer region; an electrode structure including electrodes and pads; vertical structures on the cell array region and penetrating the electrode structure; and a separation insulating pattern penetrating and dividing an upper electrode, which is one of the electrodes, into at least two portions arranged in a second direction crossing the first direction. The separation insulating pattern comprises a first portion and a second portion, the first portion is between at least some of the central vertical structures, and the second portion is spaced apart from the first portion such that, when viewed in the plan view, the second portion is between at least some of the peripheral vertical structure.
    Type: Application
    Filed: May 18, 2022
    Publication date: March 30, 2023
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Sung-Min HWANG, Dongsung WOO, Tae Gon LEE, Bongtae PARK, Jae-Joo SHIM, Tae-Chul JUNG
  • Publication number: 20230076797
    Abstract: The present invention relates to a conjugated diene-based polymer having high processability and excellent compounding properties, a preparation method thereof and a rubber composition including same, and provides a neodymium-catalyzed conjugated diene-based polymer satisfying all conditions of (a) to (c), a preparation method thereof and a rubber composition including same.
    Type: Application
    Filed: September 24, 2021
    Publication date: March 9, 2023
    Applicant: LG CHEM, LTD.
    Inventors: Sung Ho PARK, Tae Chul LEE, Su Hwa KIM, Dong Hui KIM
  • Patent number: 11566314
    Abstract: Provided is a plated steel material which can be used for an automobile, a household appliance, a building material, and the like and, more particularly, to a zinc alloy plated steel material having excellent corrosion resistance after being processed and a method for manufacturing the same.
    Type: Grant
    Filed: December 13, 2018
    Date of Patent: January 31, 2023
    Assignee: POSCO CO., LTD
    Inventors: Il-Ryoung Sohn, Tae-Chul Kim, Jong-Sang Kim
  • Publication number: 20220400751
    Abstract: Provided herein is an aerosol-generating article with enhanced vapor production. The aerosol-generating article according to some embodiments of the present disclosure includes a medium portion, a support structure which is disposed downstream of the medium portion and includes a first tubular structure having a first hollow formed therein, a cooling structure which is disposed downstream of the support structure and includes a second tubular structure having a second hollow formed therein, and a mouthpiece portion which is disposed downstream of the cooling structure. Here, an upstream end of the second tubular structure may abut a downstream end of the first tubular structure, and an average cross-sectional area of the second hollow may be larger than an average cross-sectional area of the first hollow. The cross-sectional area difference enhances an air flow diffusion effect, thereby eventually improving vapor production of the aerosol-generating article.
    Type: Application
    Filed: March 8, 2021
    Publication date: December 22, 2022
    Applicant: KT&G CORPORATION
    Inventors: Jung Kyu SEO, Tae Chul SHIN, Hee Tae JUNG, Young Rim HAN
  • Publication number: 20220396648
    Abstract: Disclosed is an imine group-containing novel compound which is useful as a polymer modifier, a modified conjugated diene-based polymer including a functional group derived from the novel compound and having excellent affinity with a filler, a method for preparing the polymer, and a rubber composition including the polymer, and provides an imine group-containing compound represented by Formula 1, a modified conjugated diene-based polymer including a functional group derived therefrom, and a method for preparing the polymer.
    Type: Application
    Filed: July 21, 2021
    Publication date: December 15, 2022
    Applicant: LG CHEM, LTD.
    Inventors: Suk Youn KANG, Tae Chul LEE, Dong Hui KIM, Seo Won CHOI
  • Publication number: 20220369659
    Abstract: The present disclosure relates to an emulsified food composition which includes a saccharide and an oil, and achieves good flavor expression and saccharide reduction, and a method for preparing same.
    Type: Application
    Filed: October 29, 2020
    Publication date: November 24, 2022
    Inventors: Hye Jin LIM, Kyung-Hun RYU, Bong Chan KIM, Yong-In KIM, II SEO, Seung Mi LEE, Tae-Chul HAN, Choong Woo NAM
  • Patent number: 11505858
    Abstract: Provided is a Zn—Al—Mg-based alloy-plated steel material that can be used in automobiles and home appliances and the like and, more particularly, to a Zn—Al—Mg-based alloy-plated steel material that can suppress the generation of cracks in a plating layer that are generated during processing.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: November 22, 2022
    Inventors: Il-Ryoung Sohn, Tae-Chul Kim, Jong-Sang Kim
  • Patent number: 11485800
    Abstract: A modified conjugated diene-based polymer and a rubber composition including the same are disclosed herein. In some embodiments, the modified conjugated diene-based polymer includes a functional group derived from a modification monomer represented by Formula 1 and a functional group derived from a modifier, and the polymer has a unimodal molecular weight distribution, and a polydispersity index of 1.0 to less than 1.7. The polymer has excellent processability, tensile properties and viscoelasticity properties.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: November 1, 2022
    Inventors: Tae Chul Lee, Min Soo Kim, Ki Seok Son, No Ma Kim