Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6544331 | Crystal oscillator and manufacturing method thereof | — | 2003-04-08 |
| 5955825 | Crystal oscillator and manufacturing method thereof | — | 1999-09-21 |
| 4387355 | Surface acoustic wave resonator | Hiromichi Jumonji | 1983-06-07 |