Il-Cheol YI

Person

Gwangyang-si, Jeollanam-do, KR

People

Patents Grantslast 30 patents

Information Patent Grant
High-strength structural steel material having excellent fatigue cr...
- Patent number 11,591,677
- Issue date Feb 28, 2023
- POSCO Co., Ltd
- Il-Cheol Yi
- C21 - METALLURGY OF IRON
Information Patent Grant
Structural steel having excellent brittle crack propagation resista...
- Patent number 11,572,600
- Issue date Feb 7, 2023
- POSCO Co., Ltd
- Jae-Young Cho
- C21 - METALLURGY OF IRON
Information Patent Grant
High-strength and high-manganese steel having excellent low-tempera...
- Patent number 11,149,326
- Issue date Oct 19, 2021
- Posco
- Il-Cheol Yi
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
- Publication number 20250019812
- Publication date Jan 16, 2025
- POSCO CO., LTD.
- Il-Cheol YI
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STRUCTURAL STEEL HAVING EXCELLENT COLD BENDABILITY, A...
- Publication number 20220064745
- Publication date Mar 3, 2022
- POSCO
- Jae-Young Cho
- C21 - METALLURGY OF IRON
Information Patent Application
STRUCTURAL STEEL HAVING EXCELLENT BRITTLE FRACTURE RESISTANCE AND M...
- Publication number 20220042146
- Publication date Feb 10, 2022
- POSCO
- Il-Cheol YI
- C21 - METALLURGY OF IRON
Information Patent Application
STRUCTURAL STEEL HAVING EXCELLENT BRITTLE CRACK PROPAGATION RESISTA...
- Publication number 20210071279
- Publication date Mar 11, 2021
- POSCO
- Jae-Young Cho
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH STRUCTURAL STEEL MATERIAL HAVING EXCELLENT FATIGUE CR...
- Publication number 20200332399
- Publication date Oct 22, 2020
- POSCO
- Il-Cheol Yi
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH-STRENGTH AND HIGH-MANGANESE STEEL HAVING EXCELLENT LOW-TEMPERA...
- Publication number 20200040418
- Publication date Feb 6, 2020
- POSCO
- Il-Cheol Yi
- C21 - METALLURGY OF IRON
Information Patent Application
HIGH HARDNESS WEAR-RESISTANT STEEL WITH EXCELLENT TOUGHNESS AND CUT...
- Publication number 20190010571
- Publication date Jan 10, 2019
- POSCO
- Il-Cheol YI
- C21 - METALLURGY OF IRON
Information Patent Application
WEAR RESISTANT STEEL MATERIAL EXCELLENT IN TOUGHNESS AND INTERNAL Q...
- Publication number 20180274056
- Publication date Sep 27, 2018
- POSCO
- Yong-Jin KIM
- C21 - METALLURGY OF IRON

Il-Cheol YI

Person

Patents Grantslast 30 patents

High-strength structural steel material having excellent fatigue cr...

Structural steel having excellent brittle crack propagation resista...

High-strength and high-manganese steel having excellent low-tempera...

Patents Applicationslast 30 patents

HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME

HIGH-STRENGTH STRUCTURAL STEEL HAVING EXCELLENT COLD BENDABILITY, A...

STRUCTURAL STEEL HAVING EXCELLENT BRITTLE FRACTURE RESISTANCE AND M...

STRUCTURAL STEEL HAVING EXCELLENT BRITTLE CRACK PROPAGATION RESISTA...

HIGH-STRENGTH STRUCTURAL STEEL MATERIAL HAVING EXCELLENT FATIGUE CR...

HIGH-STRENGTH AND HIGH-MANGANESE STEEL HAVING EXCELLENT LOW-TEMPERA...

HIGH HARDNESS WEAR-RESISTANT STEEL WITH EXCELLENT TOUGHNESS AND CUT...

WEAR RESISTANT STEEL MATERIAL EXCELLENT IN TOUGHNESS AND INTERNAL Q...