Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6812813 | Method for adjusting frequency of attenuation pole of dual-mode band pass filter | Naoki Mizoguchi, Seiji Kanba | 2004-11-02 |
| 6771148 | Dual mode band-pass filter | Seiji Kanba, Naoki Mizoguchi | 2004-08-03 |
| 6727783 | Method of producing band-pass filter and band-pass filter | Seiji Kanba, Naoki Mizoguchi | 2004-04-27 |
| 6720848 | Dual mode band-pass filter having coupled modes | Seiji Kanba, Naoki Mizoguchi | 2004-04-13 |