Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6322182 | Method and apparatus of identifying ink stored in an ink-jet cartridge | Chen-Hua Lin, Ji-Chen Wu | 2001-11-27 |
| 6145973 | Ink-jet cartridge | Ji-Chen Wu, Hsien-Shu Tsai | 2000-11-14 |