| Patent | Date |
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Austenite-based molten aluminum-plated steel sheet having excellent properties of plating and weldability
Grant 11,420,419 - Kim , et al. August 23, 2 | 2022-08-23 |
Austenite-based Molten Aluminum-plated Steel Sheet Having Excellent Properties Of Plating And Weldability, And Method For Manufa
App 20200262181 - KIM; Young-Ha ; et al. | 2020-08-20 |
High manganese steel sheet having high strength and excellent vibration-proof properties and method for manufacturing same
Grant 10,563,280 - Kim , et al. Feb | 2020-02-18 |
High-manganese steel with superior coating adhesion and method for manufacturing hot-dip galvanized steel from same
Grant 10,508,326 - Chin , et al. Dec | 2019-12-17 |
High Manganese Steel Sheet Having Excellent Damping Property, And Manufacturing Method Therefor
App 20180371586 - CHO; Won-Tae ; et al. | 2018-12-27 |
Ultrahigh-strength steel sheet and manufacturing method therefor
Grant 10,144,986 - Kim , et al. De | 2018-12-04 |
Method for manufacturing high manganese hot-dip galvanized steel sheet with excellent coatability and ultra-high strength, and high manganese hot-dip galvanized steel sheet manufactured by said method
Grant 10,087,511 - Jeon , et al. October 2, 2 | 2018-10-02 |
Production method for plated steel sheet using a steel sheet annealing device
Grant 10,053,749 - Park , et al. August 21, 2 | 2018-08-21 |
Ferritic lightweight high-strength steel sheet having excellent stiffness and ductility, and method of manufacturing the same
Grant 9,856,542 - Kwak , et al. January 2, 2 | 2018-01-02 |
Austenitic, lightweight, high-strength steel sheet having high yield ratio and ductility, and method for producing the same
Grant 9,738,958 - Chin , et al. August 22, 2 | 2017-08-22 |
High-manganese hot-rolled galvanized steel sheet and manufacturing method thereof
Grant 9,708,703 - Jeon , et al. July 18, 2 | 2017-07-18 |
High strength thin steel sheet for the superior press formability and surface quality and galvanized steel sheet and method for manufacturing the same
Grant 9,598,753 - Kwak , et al. March 21, 2 | 2017-03-21 |
High Mn steel sheet for high corrosion resistance and method of manufacturing galvanizing the steel sheet
Grant 9,580,786 - Sohn , et al. February 28, 2 | 2017-02-28 |
Hot Dip Galvanized Steel Sheet Having Excellent Resistance To Cracking Due To Liquid Metal Embrittlement
App 20160319415 - LEE; Ju-Youn ; et al. | 2016-11-03 |
High Manganese Steel Sheet Having High Strength And Excellent Vibration-proof Properties And Method For Manufacturing Same
App 20160244857 - KIM; Sung-Kyu ; et al. | 2016-08-25 |
Ultrahigh-strength Steel Sheet And Manufacturing Method Therefor
App 20160186285 - KIM; Sung-Kyu ; et al. | 2016-06-30 |
Production Method for Plated Steel Sheet Using a Steel Sheet Annealing Device
App 20160102381 - Park; Rho-Bum ; et al. | 2016-04-14 |
High Strength Thin Steel Sheet for the Superior Press Formability and Surface Quality and Galvanized Steel Sheet and Method for Manufacturing the Same
App 20160040275 - Kwak; Jai Hyun ; et al. | 2016-02-11 |
High strength thin steel sheet for the superior press formability and surface quality and galvanized steel sheet and method for manufacturing the same
Grant 9,194,030 - Kwak , et al. November 24, 2 | 2015-11-24 |
Method For Manufacturing High Manganese Hot-dip Galvanized Steel Sheet With Excellent Coatability And Ultra-high Strength, And High Manganese Hot-dip Galvanized Steel Sheet Manufactured By Said Method
App 20150329951 - JEON; Sun-Ho ; et al. | 2015-11-19 |
High Manganese Steel Strips with Excellent Coatability and Superior Surface Property, Coated Steel Strips Using Steel Strips and Method for Manufacturing the Steel Strips
App 20150266519 - Kim; Seong Ju ; et al. | 2015-09-24 |
High strength steel sheet and hot dip galvanized steel sheet having high ductility and excellent delayed fracture resistance and method for manufacturing the same
Grant 9,109,273 - Jin , et al. August 18, 2 | 2015-08-18 |
Ferritic Lightweight High-Strength Steel Sheet Having Excellent Stiffness and Ductility, and Method of Manufacturing the Same
App 20150218668 - Kwak; Jai-Hyun ; et al. | 2015-08-06 |
Non-magnetic High Manganese Steel Sheet With High Strength And Manufacturing Method Thereof
App 20150211088 - Kim; Sung-Kyu ; et al. | 2015-07-30 |
High manganese steel strips with excellent coatability and superior surface property, coated steel strips using steel strips and method for manufacturing the steel strips
Grant 8,999,085 - Kim , et al. April 7, 2 | 2015-04-07 |
High-manganese Hot-rolled Galvanized Steel Sheet And Manufacturing Method Thereof
App 20140377585 - Jeon; Sun-Ho ; et al. | 2014-12-25 |
High-manganese Steel With Superior Weldability And Method For Manufacturing Hot-dipped Galvanized Steel Sheet From Same
App 20140209216 - Chin; Kwang-Geun ; et al. | 2014-07-31 |
Low specific gravity and high strength steel sheets with excellent ridging resistibility and manufacturing methods thereof
Grant 8,778,097 - Chin , et al. July 15, 2 | 2014-07-15 |
Austenitic, Lightweight, High-Strength Steel Sheet Having High Yield Ratio and Ductility, and Method for Producing the Same
App 20130295409 - Chin; Kwang-Geun ; et al. | 2013-11-07 |
High strength steel plate with high manganese having excellent burring workability
Grant 8,052,924 - Kim , et al. November 8, 2 | 2011-11-08 |
Steel Sheet Annealing Device, Device For Producing Plated Steel Sheet Comprising The Same, And Production Method For Plated Steel Sheet Using The Same
App 20110252849 - Park; Rho-Bum ; et al. | 2011-10-20 |
Steel Sheet For Galvanizing With Excellent Workability, And Method For Manufacturing The Same
App 20110073223 - Sohn; Il-Ryoung ; et al. | 2011-03-31 |
High-Strength Steel Sheet with Excellent Ductility and Crackless Edge Portion, Hot-Dip Galvanized Steel Sheet, and Manufacturing Method Thereof
App 20110064968 - Kim; Sung-Il ; et al. | 2011-03-17 |
High Strength Thin Steel Sheet For The Superior Press Formability And Surface Quality And Galvanized Steel Sheet And Method For Manufacturing The Same
App 20110030857 - Kwak; Jai Hyun ; et al. | 2011-02-10 |
High Strength Thin Steel Sheet Excelling In Weldability And Process For Producing The Same
App 20110017363 - Kang; Hee Jae ; et al. | 2011-01-27 |
High Strength Steel Plate With High Manganese Having Excellent Burring Workability
App 20090317284 - Kim; Sung Kyu ; et al. | 2009-12-24 |
Low Specific Gravity And High Strength Steel Sheets With Excellent Ridging Resistibility And Manufacturing Methods Thereof
App 20090297387 - Chin; Kwang Geun ; et al. | 2009-12-03 |
Method for Manufacturing Bake-Hardenable High-Strength Cold-Rolled Steel Sheet
App 20090272468 - Han; Seong-Ho ; et al. | 2009-11-05 |
High Manganese Steel Strips With Excellent Coatability And Superior Surface Property, Coated Steel Strips Using Steel Strips And Method For Manufacturing The Steel Strips
App 20090202382 - Kim; Seong-Ju ; et al. | 2009-08-13 |
High Manganese High Strength Steel Sheets With Excellent Crashworthiness And Method For Manufacturing Of It
App 20090074605 - Kim; Sung Kyu ; et al. | 2009-03-19 |
High Mn Steel Sheet For High Corrosion Resistance And Method Of Manufacturing Galvanizing The Steel Sheet
App 20090053556 - Sohn; Il-Ryoung ; et al. | 2009-02-26 |
Steel Sheet for Hot Press Forming Having Excellent Heat Treatment and Impact Property, Hot Press Parts Made of It and the Method for Manufacturing Thereof
App 20080286603 - Oh; Jin-Keun ; et al. | 2008-11-20 |
High Strength Hot Rolled Steel Sheet Containing High Mn Content with Excellent Workability and Method for Manufacturing the Same
App 20080240969 - Kim; Sung-Kyu ; et al. | 2008-10-02 |
Cold Rolled Steel Sheet Having High Yield Ratio And Less Anisotropy, Process For Producing The Same
App 20080185077 - Yoon; Jeong-Bong ; et al. | 2008-08-07 |
Cold Rolled Steel Sheet Having Superior Formability, Process for Producing the Same
App 20080149230 - Yoon; Jeong-Bong ; et al. | 2008-06-26 |
High Strength Cold Rolled Steel Sheet Having Excellent Shape Freezability, and Method for Manufacturing the Same
App 20070289679 - Choi; Shi-Hoon ; et al. | 2007-12-20 |
Cold rolled steel sheet and hot dipped steel sheet with superior strength and bake hardenability and method for manufacturing the steel sheets
App 20070181232 - Han; Seong-Ho ; et al. | 2007-08-09 |
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