Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8050719 | Radio communication system, mobile terminal unit thereof, and azimuth determining method | Jun Hirano, Takashi Aramaki | 2011-11-01 |
| 7630738 | Radio communication system, mobile terminal unit thereof, and azimuth determining method | Jun Hirano, Takashi Aramaki | 2009-12-08 |
| 6996420 | Radio communication system, mobile terminal unit thereof, and azimuth determining method | Jun Hirano, Takashi Aramaki | 2006-02-07 |
| 6731955 | Radio communication system, mobile terminal unit thereof, and azimuth determining method | Jun Hirano, Takashi Aramaki | 2004-05-04 |