Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6791434 | Flat group-delay low-pass filter, mounting structure thereof, flat group-delay low-pass filter device, and optical signal receiver | — | 2004-09-14 |
| 6734760 | Lumped filter, shared antenna unit, and communication device | — | 2004-05-11 |
| 6720849 | High frequency filter, filter device, and electronic apparatus incorporating the same | Yutaka Sasaki, Akihide Nakano, Hiroaki Tanaka | 2004-04-13 |
| 6694601 | Method of adjusting characteristics of dielectric filter | Haruo Matsumoto, Yasuo Yamada, Yukihiro Kitaichi, Tadahiro Yorita, Hideyuki Kato +2 more | 2004-02-24 |