Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6839033 | Multi-frequency antenna | Masataka Shimabara | 2005-01-04 |
| 6734831 | Dual-resonance antenna | — | 2004-05-11 |
| 6018327 | Single-wire spiral antenna | Hisamatsu Nakano | 2000-01-25 |
| 5446469 | Extendible whip antenna | — | 1995-08-29 |
| 5248988 | Antenna used for a plurality of frequencies in common | — | 1993-09-28 |