Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7590085 | Mobile communication system, line concentrator, radio base station, mobile station, and communication method | Masayuki Motegi, Hidetoshi Kayama, Narumi Umeda | 2009-09-15 |
| 7394785 | Mobile communication system, radio base station, mobile station, channel transmission control method, and channel transmission control program | Masayuki Motegi, Hidetoshi Kayama, Narumi Umeda | 2008-07-01 |
| 7292860 | Cell formation control method, a mobile communications system, and a base station and a mobile station used therein | Hijin Sato | 2007-11-06 |
| 7239619 | Mobile communication system, base station, mobile station, and cell control method | Hidetoshi Kayama, Narumi Umeda | 2007-07-03 |
| 7110769 | Cell formation control method, a mobile communications system, and a base station and a mobile station used therein | Hijin Sato | 2006-09-19 |