Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7986077 | Tuning fork type quartz piece and oscillator comprising such tuning fork type quartz piece | — | 2011-07-26 |
| 7901587 | Manufacturing method for vibrator | Tomoo Ikeda | 2011-03-08 |