Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5351021 | Ladder-type piezoelectric filter | Minoru Sakamoto | 1994-09-27 |
| 5223762 | Surface acoustic wave filter | Haruo Morii | 1993-06-29 |
| 4287493 | Piezoelectric filter | — | 1981-09-01 |
| 4196407 | Piezoelectric ceramic filter | Yoshio Murata | 1980-04-01 |