Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7440414 | Communication relay device with redundancy function for line in network in accordance with WAN environment and communication system using the same | — | 2008-10-21 |
| 7366191 | Mesh network bridges making operable spanning tree protocol and line fault backup protocol in optimized forwarding environment | — | 2008-04-29 |
| 7339888 | Bridge and route change method of network using the same | Shoji Ishii, Atsushi Saegusa, Seiichi Sawada | 2008-03-04 |
| 6985449 | Apparatus and method for configuring spanning tree and spanning tree protocol system and bridge system | — | 2006-01-10 |