Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4894577 | Piezoelectric vibrator wherein the relative vibration level of unnecessary vibrations is damped, and method of damping the relative vibration level of unnecessary vibrations of the piezoelectric vibrator | Yukihiro OKAMOTO, Hitoshi Sekimoto | 1990-01-16 |