Issued Patents 2004
Showing 1–1 of 1 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 |