Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9748922 | Tuning-fork type crystal resonator plate and crystal resonator device | Satoru Ishino | 2017-08-29 |
| 9548719 | Tuning fork type piezoelectric vibration piece and tuning fork type piezoelectric vibrator | Satoru Ishino, Tomo Fujii | 2017-01-17 |