Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12388415 | Crystal unit, semimanufactured crystal unit, and method for manufacturing crystal unit | Takahiro Ohtsuka | 2025-08-12 |
| 11251773 | AT-cut crystal element, crystal unit, and semi-manufactured crystal unit | — | 2022-02-15 |
| 6972511 | Quartz-crystal unit | Katsunori Akane | 2005-12-06 |