Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6213599 | Ink-jet cartridge for an ink-jet printing apparatus | Ji-Chen Wu, Hsien-Shu Tsai | 2001-04-10 |
| 6151052 | Ink jet cartridge for an ink jet printing apparatus | Arnold Chang-Mou Yang, Ji-Chen Wu, Ming-Hsun Yang | 2000-11-21 |