Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7712854 | Piezoelectric fluid injection devices and driving voltage calibration methods thereof | Chieh-Yi Huang | 2010-05-11 |
| 7252352 | Method and circuit for driving ink jet print head and printer utilizing same | Jane Chang | 2007-08-07 |
| 7188924 | Circuit and method for estimating pulse frequency of nozzle in ink-jet head | Jessen Chen, Yu-Chu Huang, Jane Chang | 2007-03-13 |