Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6362561 | Piezoelectric vibration device and piezoelectric resonance component | Ryuhei Yoshida | 2002-03-26 |
| 6359301 | Semiconductor device and method of manufacturing the same | — | 2002-03-19 |