Inventor
Seong-Ung KOH
Inventor
KR
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C21Dprimary
C21DModifying the physical structure of ferrous metals43%
C22CAlloys43%
G01NInvestigating or analysing materials by determining their chemical or physical properties14%
PatentTitleYear
12,339,251Steel plate surface material property testing device and steel plate surface material property testing method202512,037,667High-strength steel having excellent resistance to sulfide stress cracking, and method for manufacturing same202411,746,401Steel sheet having excellent hydrogen induced cracking resistance and longitudinal strength uniformity, and manufacturing method therefor202311,649,519Sour-resistant heavy-wall steel plate having excellent low-temperature toughness and post-heat treatment characteristics and method for manufacturing same2023Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2023–2025Patents assigned to POSCO (3)· patent assignee history
2023–2024Patents assigned to POSCO CO LTD (3)· patent assignee history
2023–2025Based in KR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| POSCO | 3 | 2023–2025 |
| POSCO CO LTD | 3 | 2023–2024 |
Locations
| Location | Patents | Span |
|---|---|---|
| KR | 4 | 2023–2025 |