Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9755137 | Piezoelectric device with piezoelectric ceramic layer constituted by alkali-containing niobate type perovskite composition | Yutaka Doshida | 2017-09-05 |
| 9614142 | Piezoelectric ceramic composition constituted by Ag-segregated sintered body of zirconate-titanate type perovskite composition | Yutaka Doshida | 2017-04-04 |