Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621193 | Thickness extensional vibration mode piezoelectric resonator, ladder-type filter, and piezoelectric resonator component | — | 2003-09-16 |
| 6608428 | Longitudinally coupled multi-mode piezoelectric filter | Jiro Inoue | 2003-08-19 |
| 6529170 | Two-frequency antenna, multiple-frequency antenna, two- or multiple-frequency antenna array | Kazushi Nishizawa, Hiroyuki Ohmine, Takashi Katagi | 2003-03-04 |