Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870313 | Piezoelectric resonators for overtone oscillations | Kouichi Hirama, Yoshiaki Tanaka | 1989-09-26 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870313 | Piezoelectric resonators for overtone oscillations | Kouichi Hirama, Yoshiaki Tanaka | 1989-09-26 |