Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6965353 | Multiple frequency band antenna and signal receiving system using such antenna | Toshiaki Shirosaka, Toshio Fujita, Kiyotaka Tatekawa, Eiji Shibuya | 2005-11-15 |
| 6933907 | Variable directivity antenna and variable directivity antenna system using such antennas | Toshiaki Shirosaka | 2005-08-23 |