Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8201040 | Communication device, radio communication terminal, radio base station and communication method | Etsuhiro Okamoto, Yukihiko Okumura, Hidetoshi Ebara | 2012-06-12 |
| 7899029 | Mobile communication system, user equipment in mobile communication system, control program thereof, and synchronization establishment determination method in mobile communication system | Etsuhiro Okamoto, Yukihiko Okumura | 2011-03-01 |
| 7813756 | Mobile communication system, user equipment in mobile communication system, control program thereof, and transmission power control method in mobile communication system | Etsuhiro Okamoto, Yukihiko Okumura | 2010-10-12 |