Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9866930 | Station side terminal device, subscriber side terminal device, optical communication system, route switching method, non-transitory computer readable medium storing route switching program, and wavelength switching method | Satoshi Furusawa, Akiya Suzuki | 2018-01-09 |
| 7865077 | Optical communition system with N + 1 redundancy | — | 2011-01-04 |
| 6445720 | Optical output level control device for an optical wavelength multiplexer included in an optical transmission system | — | 2002-09-03 |
| 5930273 | STM-N signal error correction coding system and method | — | 1999-07-27 |