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Jae-Yong Chae
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Gwangyang-si, Jeollanam-do, KR
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last 30 patents
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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 Applications
last 30 patents
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Patent Application
STEEL PLATE HAVING EXCELLENT STRENGTH AND LOW-TEMPERATURE IMPACT TO...
Publication number
20220340990
Publication date
Oct 27, 2022
POSCO
Jae-Yong Chae
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL HAVING LOW YIELD RATIO AND EXCELLENT HEAT AFFECTED Z...
Publication number
20210404031
Publication date
Dec 30, 2021
POSCO
Jae-Yong Chae
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Application
HIGH-STRENGTH STEEL WITH EXCELLENT TOUGHNESS OF HEAT-AFFECTED ZONE...
Publication number
20200325562
Publication date
Oct 15, 2020
POSCO
Jae-Yong CHAE
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