Issued Patents 2003
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6670925 | Inverted F-type antenna apparatus and portable radio communication apparatus provided with the inverted F-type antenna apparatus | Hiroshi Iwai, Koichi Ogawa, Shinji Kamaeguchi, Kenichi Yamada, Tsukasa Takahashi | 2003-12-30 |
| D483029 | Antenna | Koichi Ogawa | 2003-12-02 |
| 6633261 | Antenna and wireless device incorporating the same | Hiroshi Iwai, Koichi Ogawa, Shinji Kamaeguchi, Tsukasa Takahashi, Kenichi Yamada | 2003-10-14 |
| 6600455 | M-shaped antenna apparatus provided with at least two M-shaped antenna elements | Hiroshi Iwai, Koichi Ogawa | 2003-07-29 |
| 6538618 | Antenna | Hiroshi Iwai, Koichi Ogawa | 2003-03-25 |
| 6531067 | Method for forming contact hole | Nagamasa Shiokawa | 2003-03-11 |