Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8737419 | Network concentrator and method of controlling the same | — | 2014-05-27 |
| 8351346 | Communication device | Yasuhiro Sugawara | 2013-01-08 |
| 7447433 | Optical communication device | — | 2008-11-04 |