Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11826837 | Hole saw with hole enlargement guide and support piece detachable therefrom | — | 2023-11-28 |
| 11772199 | Grain-oriented electrical steel sheet and magnetic domain refinement method therefor | Oh-Yeoul Kwon, Se-Min Park, Won-Gul Lee | 2023-10-03 |
| 11685962 | Annealing separator composition for grain-oriented electrical steel sheet, grain-oriented electrical steel sheet, and method for manufacturing grain-oriented electrical steel sheet | Min Soo Han, Yunsu Kim | 2023-06-27 |