Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6444375 | Method for manufacturing a mask | Seung-hyung Nam | 2002-09-03 |
| 6361907 | Exposing method in which different kinds of aligning and exposing apparatuses are used | Seung-hyung Nam | 2002-03-26 |