Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6188299 | Dielectric filter and method of manufacturing the same | Hirotsugu Kawase | 2001-02-13 |
| 4684843 | Piezo-resonator and manufacturing method therefor | Kanji Ohya | 1987-08-04 |