Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11885909 | Object shape detection apparatus, vehicle including the same, and object shape detection method | Takuya Maekawa, Kazunari Kawahata | 2024-01-30 |
| 11231483 | Radar apparatus and automobile including the same | Katsuhisa KASHIWAGI | 2022-01-25 |
| 9859948 | Spread spectrum communication device | Makoto Yasutake | 2018-01-02 |
| 9739871 | Transmission-reception apparatus | Hidenori Obiya, Ryuken Mizunuma, Shinya Mizoguchi, Shinya Hitomi, Hisao Hayafuji | 2017-08-22 |
| 6646609 | Antenna with an integral RF circuit, antenna module incorporating the same, and communication apparatus incorporating the same | Kazunari Kawahata | 2003-11-11 |
| 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 |
| 6201502 | Antenna device and communication apparatus including the same | Junichi Kurita, Kazunari Kawahata | 2001-03-13 |
| 6177908 | Surface-mounting type antenna, antenna device, and communication device including the antenna device | Kazunari Kawahata, Ken Okada, Shoji Nagumo | 2001-01-23 |
| 6172646 | Antenna apparatus and communication apparatus using the antenna apparatus | Kazunari Kawahata, Ken Okada, Shoji Nagumo, Junichi Kurita | 2001-01-09 |