Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6758558 | Ink container having a pressure stabilizer module | Chuang-Hsien Chiu, Kun-Lang Yang | 2004-07-06 |
| 6739710 | Pressure-regulating airbag for embedding-type ink cartridge and the method for assembling it | Chuang-Hsien Chiu | 2004-05-25 |
| 6719418 | Underpressure regulating mechanism for inkjet pens | Ching-Yu Chou, Wen-Chung Chen, Chuang-Hsien Chiu | 2004-04-13 |