Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7778634 | Radio service area quality information acquisition system | — | 2010-08-17 |
| 7394789 | Handoff control method, base station controller, and base transceiver subsystem | Masayoshi Tateno, Isao Higuma | 2008-07-01 |