Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6616351 | Bidirectional optical amplifying apparatus and optical gain controlling method in a bidirectional WDM optical communication network | — | 2003-09-09 |
| 6562668 | Method of fabricating thin film transistor using buffer layer and the thin film transistor | In Keun WOO, Sang Wook Lee | 2003-05-13 |