Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5993683 | Piezoelectric ceramic | Akira Ando, Akira Nagai, Hiroshi Takagi, Kiyoshi Hase | 1999-11-30 |
| 5833875 | Piezoelectric ceramics | Kenichi Nada, Kosuke Shiratsuyu | 1998-11-10 |