Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834975 | Keypad illuminating system for a data processing device | Tsai Chu-Chia, Lee Cheng-Chang, Hung Huang-Lung | 2004-12-28 |
| 6741300 | Liquid crystal display device | Cheng-Chang Lee, Hung Huang-Lung, Su-Shen Lun, Liu Ying-Huang | 2004-05-25 |