Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37639 | Surface-acoustic-wave filters with poles of attenuation created by impedance circuits | Hisanori Ehara, Kazushige Noguchi, Hajime Shimamura, Tomokazu Komazaki | 2002-04-09 |