Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10797677 | Crystal vibration element and crystal device | Takanori Maeno | 2020-10-06 |
| 10629799 | Piezoelectric vibration element and piezoelectric vibration device | Masahiko Goto | 2020-04-21 |