Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6249247 | Beam antenna direction measuring method, direction measuring device and antenna direction controller | Takashi Araki | 2001-06-19 |
| 5790075 | Beam antenna direction measuring method, direction measuring device and antenna direction controller | Takashi Araki | 1998-08-04 |