Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5239537 | Packet-switched network having alternate virtual paths | — | 1993-08-24 |
| 5235599 | Self-healing network with distributed failure restoration capabilities | Yasuyo Nishimura, Satoshi Hasegawa | 1993-08-10 |