Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353045 | Ladder type filter | Toshiharu Matsui | 1982-10-05 |
| 4323865 | Ladder-type piezoelectric filter | Yasuhiro Tanaka | 1982-04-06 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4353045 | Ladder type filter | Toshiharu Matsui | 1982-10-05 |
| 4323865 | Ladder-type piezoelectric filter | Yasuhiro Tanaka | 1982-04-06 |