Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7291828 | Measuring system for determining the electromechanical coupling characteristics of a PZT vibrator | Chao Wen | 2007-11-06 |
| 6798118 | Piezoceramic shaft-driving type ultrasonic motor | — | 2004-09-28 |
| 6489705 | Thin-disc piezoelectric actuating ultrasonic motor | Minsun Ouyang | 2002-12-03 |