Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490641 | Three electrode piezoelectric ceramic resonator | Hiroshi Takeuchi, Kazuyuki Nagatsuma, Mitsutaka Hikita, Yukio Ito, Sakichi Ashida | 1984-12-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4490641 | Three electrode piezoelectric ceramic resonator | Hiroshi Takeuchi, Kazuyuki Nagatsuma, Mitsutaka Hikita, Yukio Ito, Sakichi Ashida | 1984-12-25 |