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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing high-strength steel sheet having excellent...
- Patent number 11,827,950
- Issue date Nov 28, 2023
- POSCO Co., Ltd
- Yeon-Sang Ahn
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
High-strength steel sheet having excellent processability and metho...
- Patent number 11,519,051
- Issue date Dec 6, 2022
- POSCO Co., Ltd
- Yeon-Sang Ahn
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
High-strength steel sheet with excellent crashworthiness characteri...
- Patent number 11,345,984
- Issue date May 31, 2022
- Posco
- Yeon-Sang Ahn
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
High-strength steel sheet with excellent crashworthiness characteri...
- Patent number 11,345,985
- Issue date May 31, 2022
- Posco
- Yeon-Sang Ahn
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Cold-rolled steel sheet with excellent formability, galvanized stee...
- Patent number 10,941,467
- Issue date Mar 9, 2021
- Posco
- Chang Hyo Seo
- C21 - METALLURGY OF IRON
Information Patent Grant
High tensile strength steel having excellent bendability and stretc...
- Patent number 10,941,468
- Issue date Mar 9, 2021
- Posco
- Yeon-Sang Ahn
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT BENDABILITY AND FORMABIL...
- Publication number 20240026485
- Publication date Jan 25, 2024
- POSCO CO., LTD.
- Kyoung-Rae CHO
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT HOLE EXPANDABILITY AND M...
- Publication number 20230295763
- Publication date Sep 21, 2023
- Sung-Kyu KIM
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT FORMABILITY AND METHOD F...
- Publication number 20230272500
- Publication date Aug 31, 2023
- Sung-Kyu KIM
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF MANUFACTURING HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT...
- Publication number 20230080110
- Publication date Mar 16, 2023
- POSCO CO., LTD.
- Yeon-Sang AHN
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH YIELD RATIO-TYPE HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANU...
- Publication number 20210071278
- Publication date Mar 11, 2021
- POSCO
- Chang-Hyo SEO
- B32 - LAYERED PRODUCTS
Information Patent Application
HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT PROCESSABILITY AND METHO...
- Publication number 20200347476
- Publication date Nov 5, 2020
- POSCO
- Yeon-Sang AHN
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
COLD-ROLLED STEEL SHEET HAVING EXCELLENT BENDABILITY AND HOLE EXPAN...
- Publication number 20200239976
- Publication date Jul 30, 2020
- POSCO
- Chang-Hyo SEO
- C21 - METALLURGY OF IRON
Information Patent Application
COLD-ROLLED STEEL SHEET WITH EXCELLENT FORMABILITY, GALVANIZED STEE...
- Publication number 20200190640
- Publication date Jun 18, 2020
- POSCO
- Chang Hyo SEO
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH TENSILE STRENGTH STEEL HAVING EXCELLENT BENDABILITY AND STRETC...
- Publication number 20200087762
- Publication date Mar 19, 2020
- POSCO
- Yeon-Sang AHN
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HIGH-STRENGTH STEEL SHEET WITH EXCELLENT CRASHWORTHINESS CHARACTERI...
- Publication number 20190338403
- Publication date Nov 7, 2019
- POSCO
- Yeon-Sang AHN
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STEEL SHEET WITH EXCELLENT CRASHWORTHINESS CHARACTERI...
- Publication number 20190337267
- Publication date Nov 7, 2019
- POSCO
- Yeon-Sang AHN
- C21 - METALLURGY OF IRON

Chang-Hyo SEO

Person

Patents Grantslast 30 patents

Method of manufacturing high-strength steel sheet having excellent...

High-strength steel sheet having excellent processability and metho...

High-strength steel sheet with excellent crashworthiness characteri...

High-strength steel sheet with excellent crashworthiness characteri...

Cold-rolled steel sheet with excellent formability, galvanized stee...

High tensile strength steel having excellent bendability and stretc...

Patents Applicationslast 30 patents

HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT BENDABILITY AND FORMABIL...

HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT HOLE EXPANDABILITY AND M...

HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT FORMABILITY AND METHOD F...

METHOD OF MANUFACTURING HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT...

HIGH YIELD RATIO-TYPE HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANU...

HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT PROCESSABILITY AND METHO...

COLD-ROLLED STEEL SHEET HAVING EXCELLENT BENDABILITY AND HOLE EXPAN...

COLD-ROLLED STEEL SHEET WITH EXCELLENT FORMABILITY, GALVANIZED STEE...

HIGH TENSILE STRENGTH STEEL HAVING EXCELLENT BENDABILITY AND STRETC...

HIGH-STRENGTH STEEL SHEET WITH EXCELLENT CRASHWORTHINESS CHARACTERI...

HIGH-STRENGTH STEEL SHEET WITH EXCELLENT CRASHWORTHINESS CHARACTERI...