Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765457 | Dielectric filter, dielectric duplexer, and communication device having elongated through holes | Hitoshi Tada | 2004-07-20 |
| 6694601 | Method of adjusting characteristics of dielectric filter | Haruo Matsumoto, Yasuo Yamada, Tadahiro Yorita, Hideyuki Kato, Tatsuya Tsujiguchi +2 more | 2004-02-24 |