Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6396442 | Circularly polarized antenna device and radio communication apparatus using the same | Kazunari Kawahata, Atsuyuki Yuasa, Hisashi Akiyama | 2002-05-28 |
| 6392602 | Circularly polarized wave antenna and device using the same | Kazunari Kawahata, Atsuyuki Yuasa, Hisahi Akiyama | 2002-05-21 |
| 6384786 | Antenna device and communication apparatus | Kazunari Kawahata | 2002-05-07 |