Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8729775 | Piezoelectric vibrating devices and methods for manufacturing same | Mitoshi Umeki, Ryoichi Ichikawa, Yoshiaki Amano, Kenichi Kikuchi, Noritsugu Matsukura | 2014-05-20 |
| 8618721 | Method of manufacturing the piezoelectric device and the same | Ryoichi Ichikawa, Yoshiaki Amano | 2013-12-31 |