Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7440397 | Protection that automatic and speedily restore of Ethernet ring network | Osamu Tsurumi, Kenichi Kawarai, Kazukuni Ugai, Akihiro Asa | 2008-10-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7440397 | Protection that automatic and speedily restore of Ethernet ring network | Osamu Tsurumi, Kenichi Kawarai, Kazukuni Ugai, Akihiro Asa | 2008-10-21 |