Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12123066 | Ultrahigh-strength steel sheet having excellent yield ratio, and manufacturing method therefor | Sea-Woong Lee, Bruno C. De Cooman, Kyoo-Young Lee, Eun Jung Seo, Seon-Jong LEE +1 more | 2024-10-22 |
| 11453922 | Ultra-high-strength steel sheet having excellent hole expandability and yield ratio, and method of manufacturing the same | Joo-Hyun RYU, Kyoo-Young Lee, Sea-Woong Lee | 2022-09-27 |
| 11203795 | Ultra-high strength steel plate having excellent formability and hole-expandability, and method for manufacturing same | Kyoo-Young Lee, Joo-Hyun RYU, Sea-Woong Lee, Byun-Mok Hwang | 2021-12-21 |
| 10907230 | Ultra high-strength and high-ductility steel sheet having excellent yield ratio and manufacturing method therefor | Joo-Hyun RYU, Nack-Joon Kim, Sung-Hak Lee, Kyoo-Young Lee, Sea-Woong Lee | 2021-02-02 |