Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6825143 | Method of making lead zirconate titanate-based ceramic powder, piezoelectric ceramic and method for making same, and piezoelectric ceramic element | Kenichi Nada, Kazunari Okada | 2004-11-30 |
| 6511763 | Piezoelectric ceramic material, electronic part using the ceramic | Masayoshi Katsube | 2003-01-28 |
| 6479923 | Piezoelectric ceramic, method for producing piezoelectric ceramic, and piezoelectric oscillator | Akihito Okuda, Akinobu Takamura, Yoshiaki Kohno | 2002-11-12 |