Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6666545 | Driver transistor structure of inkjet print head chip and the method for making the same | Chien-Hung Liu, Jian-Chiun Liou, Charles Chang, Je-Ping Hu | 2003-12-23 |
| 6644795 | Pressure control device for an inkjet pen | Sune-Chan Lin, Charles Chang, Shyh-Haur Su, Bor-Shiun Lee, Chi-Bin Lo | 2003-11-11 |