Patent assignee · IT · COMPANY

Marconi Communications SpA

15Patents
0Active
15Granted
30Portfolio score

Filing activity: Jun 8, 2000 → Sep 10, 2004

Most-cited patents

PatentTitleAreaCited byStatus
US6763171B2 Optical assembly Physics 12 Expired
US7039270B2 Optical transmission system Electricity 9 Expired
US7013085B2 Method and apparatus for detection and compensation of PMD parameters in signals transmitted over optical fiber links and system of communication therewith Electricity 5 Expired
US7269176B1 Communications arrangement Electricity 3 Expired
US6657779B2 Optical transmission system Electricity 3 Expired
US7170672B2 Raman amplifier Electricity 2 Expired
US6305965A Equipment assembly Electricity 2 Expired
US7106926B2 Optical switching device for wavelength division multiplex (WDM) telecommunications network Electricity 1 Expired
US7082229B2 Optical communication system and apparatus for compensation or emulation of PMD effects Electricity 1 Expired
US7359582B2 Method based on stokes parameters for the adaptive adjustment of PMD compensators in optical fiber communication systems and compensator in accordance with said method Electricity 1 Expired
US7003300B2 Method for routing in telecommunications networks Physics 0 Expired
US7333734B2 Line coding scheme for digital communications, transmission method and apparatus Electricity 0 Expired
US7366413B2 Modular cross connect system with 3D-MEMS for optical telecommunication networks Electricity 0 Expired
US7218832B2 Eye-diagram mask for optical pulses Electricity 0 Expired
US7417790B2 Looped optical network with ASE light recirculation and link and network survivability control system Electricity 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.