Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7215223 | Surface acoustic wave device | Osamu Kawachi | 2007-05-08 |
| 6972644 | Surface acoustic wave ladder filter device having resonators with different electrode pitches and electrostatic capacitances | Toshio Nishizawa | 2005-12-06 |