Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6616272 | Pressure control device | I-Chung Hou | 2003-09-09 |
| 6540341 | Pressure controller for an ink cartridge | Shu-Cheng Hsieh, Shyh-Haur Su, Chin-Tai Chen, I-Chung Hou, Chieh-Wen Wang | 2003-04-01 |
| 6533403 | Ink reservoir with a pressure adjusting device | I-Chung Hou | 2003-03-18 |
| 6527382 | Ink container with improved ink flow | I-Chung Hou | 2003-03-04 |