Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6549169 | Antenna for mobile wireless communications and portable-type wireless apparatus using the same | Koichi Ogawa, Hiroshi Iwai | 2003-04-15 |
| 6545542 | Power amplifier with coupler for cross-coupling amplifiers for reduction of differential frequency component | Kaoru Ishida, Masayuki Miyaji, Seiji Fujiwara | 2003-04-08 |
| 6507253 | Delay circuit and feedforward amplifier | Toru Matsuura, Kaoru Ishida, Seiji Fujiwara | 2003-01-14 |