Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7063601 | Internal magnetic-force polishing system | — | 2006-06-20 |
| 6639143 | Solar cell using ferroelectric material(s) | Dong-Seop Kim, Soo-Hong Lee | 2003-10-28 |
| 6203689 | Electropolishing apparatus and method | Min-seog Choi | 2001-03-20 |