Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6668437 | Method for producing a stacked piezoelectric element | Nobuyuki Kojima, Toru Ezaki, Takahiro Yamakawa | 2003-12-30 |
| 6643906 | Friction member, and vibration wave device and apparatus using friction member | Satoru Kitajima | 2003-11-11 |
| 6559574 | Stacked electro-mechanical energy conversion element and vibration wave driving device using the same | — | 2003-05-06 |