Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483465 | Circularly polarized wave antenna and manufacturing method therefor | Shigekazu Itoh, Kazunari Kawahata, Hisashi Akiyama | 2002-11-19 |
| 6437744 | Circularly polarized wave antenna device | Hisashi Akiyama, Kazunari Kawahata, Shigekazu Itoh | 2002-08-20 |
| 6396442 | Circularly polarized antenna device and radio communication apparatus using the same | Kazunari Kawahata, Shigekazu Ito, Hisashi Akiyama | 2002-05-28 |
| 6392602 | Circularly polarized wave antenna and device using the same | Kazunari Kawahata, Shigekazu Ito, Hisahi Akiyama | 2002-05-21 |