Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7636299 | Packet repeater | Akihiro Asa, Kenichi Kawarai, Osamu Tsurumi, Hiroyuki Kaneko | 2009-12-22 |
| 7355982 | Subscriber line terminal device and loopback test method | — | 2008-04-08 |