Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367504 | Piezo-electric bimorph type transducer | Takeo Seki, Akio Kumada | 1983-01-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4367504 | Piezo-electric bimorph type transducer | Takeo Seki, Akio Kumada | 1983-01-04 |