Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6483465 | Circularly polarized wave antenna and manufacturing method therefor | Kazunari Kawahata, Atsuyuki Yuasa, Hisashi Akiyama | 2002-11-19 |
| 6437744 | Circularly polarized wave antenna device | Hisashi Akiyama, Kazunari Kawahata, Atsuyuki Yuasa | 2002-08-20 |
| 6262683 | Circularly polarized wave antenna and wireless apparatus | Kazunari Kawahata | 2001-07-17 |
| 6147650 | Antenna device and radio device comprising the same | Kazunari Kawahata | 2000-11-14 |
| 6140968 | Surface mount type circularly polarized wave antenna and communication apparatus using the same | Kazunari Kawahata, Yuichi Kushihi, Masaru Shikata, Haruo Matsumoto | 2000-10-31 |