Patents by Inventor Myung-Soo Kim

Myung-Soo Kim 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: 20240052495
    Abstract: The present disclosure relates to an aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and a method for manufacturing the same, and more particularly, to an aluminum alloy-plated steel sheet that prevents microcracks generated during hot forming and has excellent seizure resistance and corrosion resistance, and a method for manufacturing the same.
    Type: Application
    Filed: December 18, 2020
    Publication date: February 15, 2024
    Applicant: POSCO
    Inventors: Suk-Kyu Lee, Hyeon-Seok Hwang, Myung-Soo Kim, Jong-Gi Oh, Kwang-Tai Min
  • Patent number: 11898252
    Abstract: The present disclosure relates to an aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and a method for manufacturing the same, and more particularly, to an aluminum alloy-plated steel sheet preventing microcracks generated during hot forming and has excellent seizure resistance and corrosion resistance, and a method for manufacturing the same.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: February 13, 2024
    Assignee: POSCO
    Inventors: Suk-Kyu Lee, Hyeon-Seok Hwang, Myung-Soo Kim, Kwang-Tai Min, Dae-Young Kang
  • Patent number: 11897229
    Abstract: The present disclosure relates to an aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and a method for manufacturing the same, and more particularly, to an aluminum alloy-plated steel sheet preventing microcracks generated during hot forming and has excellent seizure resistance and corrosion resistance, and a method for manufacturing the same.
    Type: Grant
    Filed: December 18, 2020
    Date of Patent: February 13, 2024
    Assignee: POSCO
    Inventors: Suk-Kyu Lee, Hyeon-Seok Hwang, Myung-Soo Kim
  • 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: 20240026514
    Abstract: Provided is an aluminum coated steel sheet having excellent anti-corrosion properties and weldability, and a manufacturing method thereof. The aluminum coated steel sheet includes: an austenitic base steel sheet including at least 70 area % of an austenite microstructure; and an aluminum coating layer formed on the base steel sheet, wherein the base steel sheet includes at least 80 area % of ferrite in a surface layer portion, which denotes a region extending from the interface with the coating layer to a depth of 100 ?m into the base steel sheet, and the aluminum coating layer may have a composition comprising 2-12 wt % of Si, 5-30 wt % of Zn, and 0.1-5 wt % of Mn, with the balance being Al and inevitable impurities.
    Type: Application
    Filed: December 15, 2021
    Publication date: January 25, 2024
    Inventors: Suk-Kyu LEE, Jong-Gi OH, Myung-Soo 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
  • Publication number: 20240011119
    Abstract: An embodiment of the present invention provides a high strength hot-dip galvanized steel sheet having excellent plating adhesion and weldability and a method of manufacturing same, wherein: the steel sheet comprises a base steel sheet and a hot-dip galvanized layer formed on one surface or both surfaces of the base steel sheet, the base steel sheet comprising, in weight %, carbon (C): 0.1-0.3%, silicon (Si): 0.1-2.0%, aluminum (Al): 0.1-1.5%, manganese (Mn): 1.5-3.0%, and the balance being Fe and inevitable impurities, the sum of Si and Al satisfying 1.2-3.5%, the ratio (Al/Si) of Al and Si satisfying 0.5-2.0; the steel sheet comprises an internal oxidation layer with a thickness of 1-5 ?m directly below the surface of the base steel sheet; and the decarburization rate in a region from directly below the surface of the base steel sheet to 50 ?m is 50% or more.
    Type: Application
    Filed: December 9, 2021
    Publication date: January 11, 2024
    Applicant: POSCO Co., Ltd
    Inventors: Young-Ha Kim, Myung-Soo Kim, Kwang-Tai Min, Ki-Cheol Kang
  • Publication number: 20240011120
    Abstract: According to one aspect of the present invention, a high-strength hot-dip galvanized steel sheet having an excellent surface quality and spot weldability, and a manufacturing method therefor may be provided.
    Type: Application
    Filed: December 7, 2021
    Publication date: January 11, 2024
    Applicants: POSCO Co., Ltd, POSCO Co., Ltd
    Inventors: Ki-Cheol Kang, Dae-Young Kang, Nam-A Kim, Myung-Soo Kim
  • Patent number: 11833778
    Abstract: A plating steel sheet for hot press forming includes: a base steel sheet; an Al—Zn-based plating layer formed on at least one surface of the base steel sheet; and an Fe—Al-based surface alloy layer formed between the base steel sheet and the Al—Zn-based plating layer, wherein the Al—Zn-based plating layer can include 10-30 wt % of Zn, 1 wt % or less of Fe, and the balance of Al and impurities.
    Type: Grant
    Filed: May 16, 2022
    Date of Patent: December 5, 2023
    Assignee: POSCO
    Inventors: Hyeon-Seok Hwang, Il-Jeong Park, Myung-Soo Kim
  • Publication number: 20230276959
    Abstract: A frame hanging apparatus includes an installation unit installed on a wall surface, a support unit which is coupled to a frame body and engaged with the installation unit to support the frame body on the wall surface, an extending unit formed to extend upward from an end portion of the installation unit, and a support groove formed in a lower surface of the support unit so that the extending unit is inserted into and engaged with the support unit.
    Type: Application
    Filed: June 24, 2022
    Publication date: September 7, 2023
    Inventors: MYUNG SOO KIM, DONG CHOON JEONG
  • 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: 11572607
    Abstract: Provided is a plated steel to be used for automobiles, electric home appliances, building materials and the like and, more specifically, to a zinc alloy-plated steel having excellent corrosion resistance and surface smoothness, and a method for manufacturing the same.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: February 7, 2023
    Assignee: POSCO CO., LTD
    Inventors: Heung-Yun Kim, Myung-Soo Kim
  • Publication number: 20230026159
    Abstract: The present disclosure relates to an aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and a method for manufacturing the same, and more particularly, to an aluminum alloy-plated steel sheet preventing microcracks generated during hot forming and has excellent seizure resistance and corrosion resistance, and a method for manufacturing the same.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 26, 2023
    Applicant: POSCO
    Inventors: Suk-Kyu LEE, Hyeon-Seok HWANG, Myung-Soo KIM, Kwang-Tai MIN, Dae-Young KANG
  • Publication number: 20230012544
    Abstract: The present disclosure relates to an aluminum alloy-plated steel sheet having excellent workability and corrosion resistance and a method for manufacturing the same, and more particularly, to an aluminum alloy-plated steel sheet preventing microcracks generated during hot forming and has excellent seizure resistance and corrosion resistance, and a method for manufacturing the same.
    Type: Application
    Filed: December 18, 2020
    Publication date: January 19, 2023
    Applicant: POSCO
    Inventors: Suk-Kyu Lee, Hyeon-Seok Hwang, Myung-Soo Kim
  • Publication number: 20230019786
    Abstract: A hot-dipped galvanized steel sheet having excellent bending workability and corrosion resistance and a manufacturing method therefor are provided. A hot-dipped galvanized steel sheet of the present invention comprises: a base steel sheet; a Zn—Mg—Al based plating layer provided on at least one surface of the base steel sheet and including, in wt %, with respect to components other than iron (Fe) diffused from the base steel sheet, 5.1 to 25% of Al and 4.0-10% of Mg, and the remainder of Zn and other inevitable impurities; and an interfacial alloy layer having a Fe—Al—Zn composition formed between the base steel sheet and the plating layer, wherein the interfacial alloy layer has a thickness of 0.
    Type: Application
    Filed: December 1, 2020
    Publication date: January 19, 2023
    Applicant: POSCO
    Inventors: Sung-Joo Kim, Heung-Yun Kim, Myung-Soo Kim, Dae-Young Kang, Yong-Joo Kim
  • Publication number: 20220409535
    Abstract: The present invention relates to compositions comprising exosomes and biological agents and methods of using the compositions for the delivery of biological agents to cells and to subjects.
    Type: Application
    Filed: August 23, 2022
    Publication date: December 29, 2022
    Inventors: Elena V. Batrakova, Alexander V. Kabanov, Marina Sokolsky, Matthew J. Haney, Dongfen Yuan, Myung Soo Kim
  • Patent number: 11530470
    Abstract: Provided is a highly corrosion-resistant plated steel sheet having plating adhesion and resistance to liquid metal embrittlement. A highly corrosion-resistant plated steel sheet comprises a base steel sheet and a plated layer, which sequentially comprises an Fe—Al alloy layer and an MgZn2 layer from an interface with the base steel sheet.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: December 20, 2022
    Assignee: POSCO CO., LTD
    Inventors: Il-Jeong Park, Myung-Soo Kim, Suk-Kyu Lee
  • Publication number: 20220341017
    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: Application
    Filed: September 24, 2020
    Publication date: October 27, 2022
    Applicants: 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
  • Patent number: 11458097
    Abstract: The present invention relates to compositions comprising exosomes and biological agents and methods of using the compositions for the delivery of biological agents to cells and to subjects.
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: October 4, 2022
    Assignee: The University of North Carolina at Chapel Hill
    Inventors: Elena V. Batrakova, Alexander V. Kabanov, Marina Sokolsky, Matthew J. Haney, Dongfen Yuan, Myung Soo Kim