Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652555 | Dielectrical filters having resonators at a trap frequency where the even/odd mode impedances are both zero | Hitoshi Tada, Hideyuki Kato | 1997-07-29 |
| 5642084 | Dielectric filter having respective capacitance gaps flushed with the inner surface of corresponding holes | Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 1997-06-24 |
| 5633617 | Dielectric bandpass filter | Tatsuya Tsujiguchi | 1997-05-27 |