Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6895216 | Rendering multicast service with sufficient reception quality to wireless terminals | Narumi Umeda, Yasushi Yamao | 2005-05-17 |
| 6882845 | Autonomous zone forming communication device and autonomous zone forming method | Narumi Umeda, Yasushi Yamao | 2005-04-19 |
| 6871071 | Handover control method and system | Toshiaki Takao, Narumi Umeda | 2005-03-22 |