Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7888849 | Piezoelectric resonator and method for producing the same | Koichi Yamasaki | 2011-02-15 |
| 6987346 | Energy trap type piezoelectric resonator component | Mitsuhiro Yamada, Kenichi Kotani | 2006-01-17 |
| 6987347 | Piezoelectric resonator component | Kenichi Kotani, Mitsuhiro Yamada | 2006-01-17 |
| 6388363 | Piezoelectric resonator | Kenichi Kotani | 2002-05-14 |
| 6333591 | Piezoelectric resonator | Kenichi Kotani | 2001-12-25 |
| 6307305 | Piezoelectric component with leads | Kenichi Kotani | 2001-10-23 |