Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6163101 | Piezoelectric resonator | Ryuhei Yoshida, Kenichi Sakai | 2000-12-19 |
| 6133673 | Energy trap type piezoelectric resonator | Ryoichi Kawara, Kenichi Sakai | 2000-10-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6163101 | Piezoelectric resonator | Ryuhei Yoshida, Kenichi Sakai | 2000-12-19 |
| 6133673 | Energy trap type piezoelectric resonator | Ryoichi Kawara, Kenichi Sakai | 2000-10-17 |