Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9407173 | Piezo actuator having an electrode structure for a torsional vibration mode, and rotation-type ultrasonic motor including same | — | 2016-08-02 |
| 8283838 | Piezoelectric linear motor offering enhanced displacement | — | 2012-10-09 |
| 8264136 | Fluorescent lamp having ceramic-glass composite electrode | — | 2012-09-11 |
| 7932663 | Piezoelectric transformer with pinwheel type electrode | Tae Shik Yoon | 2011-04-26 |