Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819494 | Lens-implanted optical sheet and method for manufacturing the same | Chen-Hua Liu | 2004-11-16 |
| 6749462 | Display unit | Ming-Shen Sun, Kuo-Chung Lee | 2004-06-15 |
| 6680010 | Lightguide and method for manufacturing the same | Chen-Hua Liu | 2004-01-20 |