Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6337223 | Semiconductor optical device and method for fabricating the same | Tae-Kyung Yoo | 2002-01-08 |
| 6151169 | Sheet type optical device and backlighting unit using the same | — | 2000-11-21 |