Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10771037 | Piezoelectric resonator device | Satoru Ishino | 2020-09-08 |
| 10630255 | Piezoelectric resonator device | Minoru Iizuka | 2020-04-21 |
| 10600953 | Piezoelectric resonator device | — | 2020-03-24 |
| 10601393 | Crystal resonator plate and crystal resonator device | — | 2020-03-24 |