Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4552243 | Diaphragm material for acoustical transducer | Louis Melillo, Iwao Sashida | 1985-11-12 |
| 4461930 | Acoustic transducer with honeycomb diaphragm | Louis Melillo, Iwao Sashida | 1984-07-24 |
| 4414436 | Narrow-frequency band acoustic transducer | Iwao Sashida | 1983-11-08 |