Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6987768 | Packet transferring apparatus | Yuji Kojima | 2006-01-17 |
| 6934763 | Communication data relay system and method of controlling connectability between domains | Makoto Kubota, Naoki Oguchi | 2005-08-23 |
| 6799267 | Packet processor | Yuji Kojima, Kenichi Abiru, Yasuyuki Umezaki, Yoshitomo Shimozono | 2004-09-28 |
| 6792471 | Process and apparatus for speeding up layer 2 and layer 3 routing by determining layer 2 reach ability by determining whether layer 2 subnetworks are identical | Yuji Nomura, Naoki Oguchi | 2004-09-14 |
| 6654823 | Packet-data processing apparatus | Satoshi Soejima, Yuji Kojima, Yasuyuki Umezaki, Yoshitomo Shimozono | 2003-11-25 |
| 6647009 | Broadcast address server with physical address discrimination for broadcasting packets | Makoto Kubota | 2003-11-11 |
| 6546391 | High-speed lookup method and high-speed lookup apparatus | — | 2003-04-08 |
| 6304912 | Process and apparatus for speeding-up layer-2 and layer-3 routing, and for determining layer-2 reachability, through a plurality of subnetworks | Naoki Oguchi | 2001-10-16 |
| 6101189 | Gateway apparatus and packet routing method | — | 2000-08-08 |
| 5446733 | Congestion processing mode and congestion processing circuit in frame relay exchange apparatus | — | 1995-08-29 |
| 5272701 | Control system for mediating service requests | — | 1993-12-21 |