Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8072878 | Packet ring network system, packet transfer system, redundancy node, and packet transfer program | Daisaku Ogasahara | 2011-12-06 |
| 7920576 | Packet ring network system, packet forwarding method and node | Daisaku Ogasahara | 2011-04-05 |
| 7898942 | Ring network system, failure recovery method, failure detection method, node and program for node | Kazuo Takagi, Daisaku Ogasahara | 2011-03-01 |