Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640095 | Frequency multiplier and wireless device incorporating same | Norio Nakajima | 2003-10-28 |
| 6608537 | Band-pass filter | Seiji Kanba, Naoki Mizoguchi, Hisatake Okamura | 2003-08-19 |
| 6556109 | Dual mode band pass filter | Seiji Kanba, Naoki Mizoguchi, Hisatake Okamura | 2003-04-29 |
| 6525626 | Duplexer and mobile communication device using the same | Jun Sasaki, Noboru Kato, Sadayuki Matsumura, Hiroaki Tsumori | 2003-02-25 |