Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10873315 | Piezoelectric vibrating piece and piezoelectric device | Kazuhiro Hirota | 2020-12-22 |
| 10804876 | Piezoelectric vibrating piece and piezoelectric device | — | 2020-10-13 |
| 10763821 | Crystal resonator | Yoshiro TESHIMA, Kazuhiro Hirota | 2020-09-01 |