Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10938325 | Piezoelectric actuator drive circuit | Yasuyuki Endou, Hitoshi Matsuno | 2021-03-02 |
| 10461697 | Oscillation circuit and oscillation-circuit driving method | Hitoshi Matsuno | 2019-10-29 |
| 10312427 | Piezoelectric device | Keiichi Umeda, Ville Kaajakari | 2019-06-04 |
| 8942393 | Piezoelectric sound component | Masakazu Yamauchi | 2015-01-27 |
| 8818014 | Sound production component | Yoshihiro Sonoda | 2014-08-26 |
| 6833655 | Monolithic piezoelectric transformer and method for manufacturing the same | Takahiro Matto, Toshiaki Kaji | 2004-12-21 |
| 6758927 | Method for making monolithic piezoelectric ceramic element | Toshiaki Kaji | 2004-07-06 |