Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658376 | Determination of vibration frequency characteristics of electroded crystal plate | Ji-Cheng Wang, Yook-Kong Yong, Tsutomu Imai | 2003-12-02 |
| 6654711 | Correction factors for the analysis of piezoelectric devices | Ji-Cheng Wang, Yook-Kong Yong, Tsutomu Imai | 2003-11-25 |