Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12199741 | Optical transmission system, optical transmission device, and optical transmission method | Akihiro Mukai, Yoshito Kachita | 2025-01-14 |
| 6408070 | Method and apparatus for echo control in a communication system | — | 2002-06-18 |