Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6803881 | Antenna unit and communication device including same | Takashi Ishihara, Syoji Nagumo | 2004-10-12 |
| 6784843 | Multi-resonance antenna | Kengo Onaka, Shoji Nagumo, Takashi Ishihara, Jin Sato, Akira Miyata | 2004-08-31 |
| 6677902 | Circularly polarized antenna apparatus and radio communication apparatus using the same | Hisashi Akiyama, Shigehazu Ito | 2004-01-13 |