Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5768282 | Node provided with facility for checking establishment of synchronization | Hiroshi Yoshida | 1998-06-16 |
| 5491572 | Method and system for detecting trouble in two-way single-fiber optical transmission | — | 1996-02-13 |