Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666092 | Bandpass filter having at least two saw resonator filters coupled in parallel | Yasushi Yamamoto | 1997-09-09 |
| 5561408 | Saw resonator bandpass filter with asymetric apodized transducers to suppress a spurious response | Yasushi Yamamoto | 1996-10-01 |
| 5559483 | Two-port triple-mode saw resonators parallel connected into a saw filter on a substrate | Yasushi Yamamoto | 1996-09-24 |
| 5392013 | Surface acoustic wave filter capable of widening a bandwidth | Yasushi Yamamoto | 1995-02-21 |