Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6630875 | Dual-mode band-pass filter | Naoki Mizoguchi, Hisatake Okamura | 2003-10-07 |
| 6545568 | Dual-mode band-pass filter | Naoki Mizoguchi, Hisatake Okamura | 2003-04-08 |
| 6507251 | Dual-mode band-pass filter | Naoki Mizoguchi, Hisatake Okamura | 2003-01-14 |