Inventor
SOHN IL-RYOUNG
KR34 patents
⚠️ This page may combine multiple inventors who share the name “SOHN IL-RYOUNG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POSCO
21 patentsUS10590522B2Mar 17, 2020
Aluminum-iron alloy-coated steel sheet for hot press forming, having excellent hydrogen delayed fracture resistance, peeling resistance, and weldability and hot-formed member using same
POSCO15 citations86
US11248287B2Feb 15, 2022
Zinc alloy plated steel material having excellent weldability and processed-part corrosion resistance
POSCO3 citations71
US11167527B2Nov 9, 2021
Aluminum-based plated steel having excellent corrosion resistance, aluminum-based alloy plated steel using the same, and method of manufacturing thereof
POSCO1 citations71
US10808292B2Oct 20, 2020
Method of manufacturing hot press formed parts having excellent powdering resistance
POSCO4 citations70
US10640840B2May 5, 2020
Hot press formed article having excellent delamination resistance and method for manufacturing the same
POSCO4 citations70
US9963758B2May 8, 2018
Hot press formed parts having excellent powdering resistance during hot press forming
POSCO5 citations70
US11566314B2Jan 31, 2023
Zinc alloy plated steel material having excellent corrosion resistance after being processed
POSCO0 citations62
US11505858B2Nov 22, 2022
Alloy-plated steel material having excellent crack resistance, and method for manufacturing same
POSCO1 citations62
US11396691B2Jul 26, 2022
Alloy-plated steel material having excellent corrosion resistance and high surface quality
POSCO0 citations62
US11692259B2Jul 4, 2023
High-strength hot-dip zinc plated steel material having excellent plating properties and method for preparing same
POSCO0 citations61
US11306381B2Apr 19, 2022
High-strength hot-dip zinc plated steel material having excellent plating properties and method for preparing same
POSCO0 citations61
US10907243B2Feb 2, 2021
Plated steel material having excellent friction resistance and white rust resistance and method for preparing same
POSCO0 citations61
US11654654B2May 23, 2023
Manufacturing method of aluminum-based alloy plated steel
POSCO0 citations60
US10584407B2Mar 10, 2020
Zinc alloy plated steel material having excellent weldability and processed-part corrosion resistance and method of manufacturing same
POSCO1 citations60
US11952652B2Apr 9, 2024
Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same
POSCO0 citations59
US11834747B2Dec 5, 2023
Plated steel wire and manufacturing method for the same
POSCO0 citations59
US11643714B2May 9, 2023
Method for manufacturing zinc alloy plated steel material having excellent surface quality and corrosion resistance
POSCO0 citations57
US11332816B2May 17, 2022
Zinc alloy plated steel material having excellent surface quality and corrosion resistance
POSCO0 citations57
US12054829B2Aug 6, 2024
Plated steel sheet having excellent corrosion resistance, galling resistance, workability and surface property
POSCO0 citations56
US12270108B2Apr 8, 2025
Plated steel sheet having excellent corrosion resistance, workability and surface quality and method for manufacturing same
POSCO0 citations50
US9945020B2Apr 17, 2018
Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same
POSCO0 citations48
POSCO CO LTD
7 patentsUS12448674B2Oct 21, 2025
Composite plated steel sheet having excellent post-formation corrosion resistance, and manufacturing method therefor
POSCO CO LTD0 citations62
US12410503B2Sep 9, 2025
Plated steel sheet having excellent corrosion resistance and bendability and method for manufacturing same
POSCO CO LTD0 citations62
US12297544B2May 13, 2025
Hot press formed product having excellent corrosion resistance and method for preparing same
POSCO CO LTD0 citations62
US12226976B2Feb 18, 2025
Manufacturing method of aluminum-based alloy plated steel
POSCO CO LTD0 citations60
US11904572B2Feb 20, 2024
Manufacturing method of aluminum-based alloy plated steel
POSCO CO LTD0 citations60
US12534791B2Jan 27, 2026
Plated steel sheet having excellent corrosion resistance, galling resistance, workability and surface property and method for manufacturing same
POSCO CO LTD0 citations56
US12351919B2Jul 8, 2025
Plated steel sheet having excellent sealer adhesion and method for manufacturing same
POSCO CO LTD0 citations50
SOHN IL-RYOUNG
3 patentsUS9580786B2Feb 28, 2017
High Mn steel sheet for high corrosion resistance and method of manufacturing galvanizing the steel sheet
SOHN IL-RYOUNG2 citations71
US9068255B2Jun 30, 2015
Zinc-plated steel sheet for hot pressing having outstanding surface characteristics, hot-pressed moulded parts obtained using the same, and a production method for the same
SOHN IL-RYOUNG1 citations57
US9314997B2Apr 19, 2016
Plated steel sheet having plated layer with excellent stability for hot press molding
SOHN IL-RYOUNG0 citations49
KIM SEONG-JU
2 patentsUS8999085B2Apr 7, 2015
High manganese steel strips with excellent coatability and superior surface property, coated steel strips using steel strips and method for manufacturing the steel strips
KIM SEONG-JU4 citations65
US8221564B2Jul 17, 2012
Method for manufacturing high strength steel strips with superior formability and excellent coatability
KIM SEONG-JU0 citations36