Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7439163 | Methods for fabricating fluid injection devices | Hung-Sheng Hu, Wei-Lin Chen, Tsung-Ping Hsu | 2008-10-21 |
| 6568801 | Pressure-compensation device | Chih-Ching Chen | 2003-05-27 |
| 6513919 | Pressure-compensation device of a cartridge for ink jet printers | Chen Chih-Ching | 2003-02-04 |