Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8264609 | Caption presentation method and apparatus using same | Cheul-hee Ham | 2012-09-11 |
| 7944506 | Caption presentation method and apparatus using same | Cheul-hee Ham | 2011-05-17 |
| 7906272 | Method of forming a pattern of a semiconductor device | — | 2011-03-15 |