Yeol-Rae Cho

Person

Gwangyang, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Hot-rolled steel sheet having excellent impact resistance, steel pi...
- Patent number 12,258,657
- Issue date Mar 25, 2025
- POSCO Co., Ltd
- Hwan-Goo Seong
- C21 - METALLURGY OF IRON
Information Patent Grant
Plated steel sheet for hot press forming having excellent impact pr...
- Patent number 12,049,678
- Issue date Jul 30, 2024
- POSCO Co., Ltd
- Seong-Woo Kim
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 12,049,679
- Issue date Jul 30, 2024
- POSCO Co., Ltd
- Jin-Keun Oh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Zinc-plated steel sheet for hot pressing having outstanding surface...
- Patent number 11,952,652
- Issue date Apr 9, 2024
- POSCO Co., Ltd
- Il-Ryoung Sohn
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Al—Fe-alloy plated steel sheet for hot forming, having excellent TW...
- Patent number 11,939,651
- Issue date Mar 26, 2024
- POSCO Co., Ltd
- Seong-Woo Kim
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and...
- Patent number 11,939,639
- Issue date Mar 26, 2024
- POSCO Co., Ltd
- Hwan-Goo Seong
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot press-formed member having excellent crack propagation resistan...
- Patent number 11,827,947
- Issue date Nov 28, 2023
- POSCO Co., Ltd
- Jin-Keun Oh
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet for hot press formed member having excellent resistance...
- Patent number 11,801,664
- Issue date Oct 31, 2023
- POSCO Co., Ltd
- Seong-Woo Kim
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 11,788,166
- Issue date Oct 17, 2023
- POSCO Co., Ltd
- Jin-Keun Oh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Plated steel sheet for hot press forming having excellent impact pr...
- Patent number 11,732,323
- Issue date Aug 22, 2023
- Posco
- Seong-Woo Kim
- B32 - LAYERED PRODUCTS
Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 11,624,100
- Issue date Apr 11, 2023
- POSCO Co., Ltd
- Jin-Keun Oh
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet plated with Al—Fe alloy for hot press forming having ex...
- Patent number 11,549,167
- Issue date Jan 10, 2023
- Posco
- Seong-Woo Kim
- C21 - METALLURGY OF IRON
Information Patent Grant
Steel sheet plated with Al—Fe for hot press forming having excellen...
- Patent number 11,529,795
- Issue date Dec 20, 2022
- POSCO HOLDINGS INC.
- Jin-Keun Oh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Iron-aluminum-based plated steel sheet for hot press forming, havin...
- Patent number 11,491,764
- Issue date Nov 8, 2022
- Posco
- Jin-Keun Oh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
- Patent number 11,441,205
- Issue date Sep 13, 2022
- Posco
- Jin-Keun Oh
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Steel sheet for hot press formed member having excellent resistance...
- Patent number 11,338,549
- Issue date May 24, 2022
- Posco
- Seong-Woo Kim
- C21 - METALLURGY OF IRON
Information Patent Grant
Plated steel sheet for hot press forming having excellent impact pr...
- Patent number 11,274,357
- Issue date Mar 15, 2022
- Posco
- Seong-Woo Kim
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Plated steel sheet for hot press forming having excellent impact pr...
- Patent number 10,934,601
- Issue date Mar 2, 2021
- Posco
- Seong-Woo Kim
- B32 - LAYERED PRODUCTS
Information Patent Grant
Aluminum-iron alloy-coated steel sheet for hot press forming, havin...
- Patent number 10,590,522
- Issue date Mar 17, 2020
- Posco
- Jin-Keun Oh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Heat treatable steel, product formed thereof having ultra high stre...
- Patent number 10,584,396
- Issue date Mar 10, 2020
- POSCO
- Yeol-Rae Cho
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot press forming parts having excellent bending properties and met...
- Patent number 10,533,237
- Issue date Jan 14, 2020
- Posco
- Jin-Keun Oh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Steel sheet for hot press formed product having superior bendabilit...
- Patent number 10,253,388
- Issue date Apr 9, 2019
- POSCO
- Yeol-Rae Cho
- C21 - METALLURGY OF IRON
Information Patent Grant
Hot press forming parts having excellent bending properties and met...
- Patent number 10,151,013
- Issue date Dec 11, 2018
- Posco
- Jin-Keun Oh
- B32 - LAYERED PRODUCTS
Information Patent Grant
Zinc-plated steel sheet for hot pressing having outstanding surface...
- Patent number 9,945,020
- Issue date Apr 17, 2018
- Posco
- Il-Ryoung Sohn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Steel sheet for hot press forming having low-temperature heat treat...
- Patent number 9,255,313
- Issue date Feb 9, 2016
- Posco
- Yeol Rae Cho
- C21 - METALLURGY OF IRON
Information Patent Grant
Zinc-plated steel sheet for hot pressing having outstanding surface...
- Patent number 9,068,255
- Issue date Jun 30, 2015
- Posco
- Il-Ryoung Sohn
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20240301527
- Publication date Sep 12, 2024
- POSCO Co., Ltd
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...
- Publication number 20240301526
- Publication date Sep 12, 2024
- POSCO Co., Ltd
- Seong-Woo KIM
- C21 - METALLURGY OF IRON
Information Patent Application
ULTRA-HIGH-STRENGTH HOT-ROLLED STEEL SHEET, STEEL PIPE, MEMBER, AND...
- Publication number 20240209467
- Publication date Jun 27, 2024
- POSCO Co., Ltd
- Hwan-Goo Seong
- C21 - METALLURGY OF IRON
Information Patent Application
AL-FE-ALLOY PLATED STEEL SHEET FOR HOT FORMING, HAVING EXCELLENT TW...
- Publication number 20240191329
- Publication date Jun 13, 2024
- POSCO Co., Ltd
- Seong-Woo KIM
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE...
- Publication number 20240051265
- Publication date Feb 15, 2024
- POSCO CO., LTD
- Seong-Woo KIM
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
HOT PRESS-FORMED MEMBER HAVING EXCELLENT CRACK PROPAGATION RESISTAN...
- Publication number 20240026479
- Publication date Jan 25, 2024
- POSCO Co., Ltd
- Jin-Keun OH
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20230416863
- Publication date Dec 28, 2023
- POSCO CO., LTD.
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...
- Publication number 20230287535
- Publication date Sep 14, 2023
- POSCO Co., Ltd
- Seong-Woo KIM
- C21 - METALLURGY OF IRON
Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20230235423
- Publication date Jul 27, 2023
- POSCO Co., Ltd
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
STEEL SHEET PLATED WITH AL-FE FOR HOT PRESS FORMING HAVING EXCELLEN...
- Publication number 20230086620
- Publication date Mar 23, 2023
- POSCO
- Jin-Keun Oh
- B32 - LAYERED PRODUCTS
Information Patent Application
STEEL SHEET PLATED WITH AL-FE ALLOY FOR HOT PRESS FORMING HAVING EX...
- Publication number 20230039057
- Publication date Feb 9, 2023
- POSCO
- Seong-Woo Kim
- C21 - METALLURGY OF IRON
Information Patent Application
IRON-ALUMINUM-BASED PLATED STEEL SHEET FOR HOT PRESS FORMING, HAVIN...
- Publication number 20230041587
- Publication date Feb 9, 2023
- POSCO
- Jin-Keun Oh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20220389533
- Publication date Dec 8, 2022
- POSCO
- Jin-Keun OH
- C21 - METALLURGY OF IRON
Information Patent Application
HOT-ROLLED STEEL SHEET HAVING EXCELLENT IMPACT RESISTANCE, STEEL PI...
- Publication number 20220341012
- Publication date Oct 27, 2022
- POSCO
- Hwan-Goo SEONG
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE...
- Publication number 20220250353
- Publication date Aug 11, 2022
- Posco
- Seong-Woo KIM
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...
- Publication number 20220162720
- Publication date May 26, 2022
- POSCO
- Seong-Woo KIM
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ALUMINUM-BASED PLATED STEEL PLATE FOR HOT PRESS HAVING EXCELLENT RE...
- Publication number 20220049338
- Publication date Feb 17, 2022
- POSCO
- Jin-Keun Oh
- B32 - LAYERED PRODUCTS
Information Patent Application
STEEL SHEET PLATED WITH AL-FE FOR HOT PRESS FORMING HAVING EXCELLEN...
- Publication number 20220048277
- Publication date Feb 17, 2022
- POSCO
- Jin-Keun Oh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
STEEL SHEET PLATED WITH AL-FE ALLOY FOR HOT PRESS FORMING HAVING EX...
- Publication number 20220049337
- Publication date Feb 17, 2022
- POSCO
- Seong-Woo Kim
- B32 - LAYERED PRODUCTS
Information Patent Application
IRON-ALUMINUM-BASED PLATED STEEL SHEET FOR HOT PRESS FORMING, HAVIN...
- Publication number 20220040957
- Publication date Feb 10, 2022
- POSCO
- Jin-Keun Oh
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...
- Publication number 20220025479
- Publication date Jan 27, 2022
- POSCO
- Seong-Woo Kim
- C21 - METALLURGY OF IRON
Information Patent Application
AL-FE-ALLOY PLATED STEEL SHEET FOR HOT FORMING, HAVING EXCELLENT TW...
- Publication number 20210222276
- Publication date Jul 22, 2021
- POSCO
- Seong-Woo KIM
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...
- Publication number 20210140006
- Publication date May 13, 2021
- POSCO
- Seong-Woo KIM
- B32 - LAYERED PRODUCTS
Information Patent Application
HOT-ROLLED STEEL SHEET HAVING EXCELLENT IMPACT RESISTANCE, STEEL PI...
- Publication number 20210062313
- Publication date Mar 4, 2021
- POSCO
- Hwan-Goo Seong
- C21 - METALLURGY OF IRON
Information Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
- Publication number 20200385833
- Publication date Dec 10, 2020
- POSCO
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
ULTRA-HIGH-STRENGTH HOT-ROLLED STEEL SHEET, STEEL PIPE, MEMBER, AND...
- Publication number 20200362429
- Publication date Nov 19, 2020
- POSCO
- Hwan-Goo Seong
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE...
- Publication number 20200109464
- Publication date Apr 9, 2020
- POSCO
- Seong-Woo KIM
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...
- Publication number 20200087747
- Publication date Mar 19, 2020
- POSCO
- Seong-Woo KIM
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HOT PRESS-FORMED MEMBER HAVING EXCELLENT CRACK PROPAGATION RESISTAN...
- Publication number 20200010915
- Publication date Jan 9, 2020
- POSCO
- Jin-Keun OH
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Application
TEMPERED MARTENSITIC STEEL HAVING LOW YIELD RATIO AND EXCELLLENT UN...
- Publication number 20190382864
- Publication date Dec 19, 2019
- POSCO
- Yeol-Rae CHO
- C21 - METALLURGY OF IRON

Yeol-Rae Cho

Person

Patents Grantslast 30 patents

Hot-rolled steel sheet having excellent impact resistance, steel pi...

Plated steel sheet for hot press forming having excellent impact pr...

Cold-rolled steel plate for hot forming, having excellent corrosion...

Zinc-plated steel sheet for hot pressing having outstanding surface...

Al—Fe-alloy plated steel sheet for hot forming, having excellent TW...

Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and...

Hot press-formed member having excellent crack propagation resistan...

Steel sheet for hot press formed member having excellent resistance...

Cold-rolled steel plate for hot forming, having excellent corrosion...

Plated steel sheet for hot press forming having excellent impact pr...

Cold-rolled steel plate for hot forming, having excellent corrosion...

Steel sheet plated with Al—Fe alloy for hot press forming having ex...

Steel sheet plated with Al—Fe for hot press forming having excellen...

Iron-aluminum-based plated steel sheet for hot press forming, havin...

Cold-rolled steel plate for hot forming, having excellent corrosion...

Steel sheet for hot press formed member having excellent resistance...

Plated steel sheet for hot press forming having excellent impact pr...

Plated steel sheet for hot press forming having excellent impact pr...

Aluminum-iron alloy-coated steel sheet for hot press forming, havin...

Heat treatable steel, product formed thereof having ultra high stre...

Hot press forming parts having excellent bending properties and met...

Steel sheet for hot press formed product having superior bendabilit...

Hot press forming parts having excellent bending properties and met...

Zinc-plated steel sheet for hot pressing having outstanding surface...

Steel sheet for hot press forming having low-temperature heat treat...

Zinc-plated steel sheet for hot pressing having outstanding surface...

Patents Applicationslast 30 patents

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...

PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...

ULTRA-HIGH-STRENGTH HOT-ROLLED STEEL SHEET, STEEL PIPE, MEMBER, AND...

AL-FE-ALLOY PLATED STEEL SHEET FOR HOT FORMING, HAVING EXCELLENT TW...

STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE...

HOT PRESS-FORMED MEMBER HAVING EXCELLENT CRACK PROPAGATION RESISTAN...

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...

PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...

STEEL SHEET PLATED WITH AL-FE FOR HOT PRESS FORMING HAVING EXCELLEN...

STEEL SHEET PLATED WITH AL-FE ALLOY FOR HOT PRESS FORMING HAVING EX...

IRON-ALUMINUM-BASED PLATED STEEL SHEET FOR HOT PRESS FORMING, HAVIN...

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...

HOT-ROLLED STEEL SHEET HAVING EXCELLENT IMPACT RESISTANCE, STEEL PI...

STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE...

PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...

ALUMINUM-BASED PLATED STEEL PLATE FOR HOT PRESS HAVING EXCELLENT RE...

STEEL SHEET PLATED WITH AL-FE FOR HOT PRESS FORMING HAVING EXCELLEN...

STEEL SHEET PLATED WITH AL-FE ALLOY FOR HOT PRESS FORMING HAVING EX...

IRON-ALUMINUM-BASED PLATED STEEL SHEET FOR HOT PRESS FORMING, HAVIN...

PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...

AL-FE-ALLOY PLATED STEEL SHEET FOR HOT FORMING, HAVING EXCELLENT TW...

PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...

HOT-ROLLED STEEL SHEET HAVING EXCELLENT IMPACT RESISTANCE, STEEL PI...

COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...

ULTRA-HIGH-STRENGTH HOT-ROLLED STEEL SHEET, STEEL PIPE, MEMBER, AND...

STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE...

PLATED STEEL SHEET FOR HOT PRESS FORMING HAVING EXCELLENT IMPACT PR...

HOT PRESS-FORMED MEMBER HAVING EXCELLENT CRACK PROPAGATION RESISTAN...

TEMPERED MARTENSITIC STEEL HAVING LOW YIELD RATIO AND EXCELLLENT UN...