Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603242 | Piezoelectric transducer apparatus having independent gain and phase characteristics functions of the fourth-order partial differential equations | Chih-Kung Lee, Der-Chang Hsieh | 2003-08-05 |
| 6597085 | Piezoelectric transducer apparatus having a modal-shaped electrode | Chih-Kung Lee, Wen-Hsin Hsiao, Chih-Wen Hsieh | 2003-07-22 |