Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7248133 | Method for manufacturing surface acoustic wave device | Wataru Koga, Kiyohiro Iioka, Mitsutaka Shimada | 2007-07-24 |
| 5321761 | Piezoelectric sound generator and method of its manufacture | — | 1994-06-14 |