Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10557183 | Work hardenable yield ratio-controlled steel and method of manufacturing the same | Youngseon Lee | 2020-02-11 |
| 7325430 | Method for locally surface-modifying of aluminum alloy sheet to improve formability thereof | Sung-Joon Kim, Heung Nam Han, Kwan-Soo Chung, Sang-Joon Park | 2008-02-05 |