Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9154525 | SIP terminal control system and SIP terminal control method | — | 2015-10-06 |
| 8611341 | Lower main device and non-IP terminal housing method | — | 2013-12-17 |
| 8473774 | Main device redundancy configuration and main device replacing method | — | 2013-06-25 |
| 8285905 | Redundancy configuration and replacement method in a system including a master main unit and slave main units | — | 2012-10-09 |
| 8244949 | Slot interface access unit, method thereof, and program thereof, as well as redundancy configuration of main unit, and replacing method of the same | — | 2012-08-14 |
| 7761639 | Slot interface access device and slot interface access method | — | 2010-07-20 |
| 7761640 | Slot interface access device, slot interface access method, and program therefor | — | 2010-07-20 |