Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8201040 | Communication device, radio communication terminal, radio base station and communication method | Yukihiko Okumura, Tetsuro Kitayama, 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 | Yukihiko Okumura, Tetsuro Kitayama | 2011-03-01 |
| 7853284 | Transmission power control method and apparatus | Mitsuo Iwanaga, Yukihiko Okumura | 2010-12-14 |
| 7813756 | Mobile communication system, user equipment in mobile communication system, control program thereof, and transmission power control method in mobile communication system | Yukihiko Okumura, Tetsuro Kitayama | 2010-10-12 |