Inventor · Milano, IT

Marco Romagnoli

36Patents
7h-index
39Co-inventors
69Inventor score

Filing activity: Jan 16, 2001 → Apr 16, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US8320721B2 Optical mode transformer, in particular for coupling an optical fiber and a high-index contrast waveguide Physics 34 Active
US7116469B2 Raman amplification using a microstructured fiber Electricity 31 Expired
US8483528B2 Optical mode transformer, in particular for coupling an optical fiber and a high-index contrast waveguide Physics 26 Active
US7233729B2 Method for guiding an electromagnetic radiation, in particular in an integrated optical device Physics 21 Expired
US6538788B2 Method for the reduction of noise in a long-distance optical telecommunications system Electricity 9 Expired
US8064769B2 Method and system for hitless tunable optical processing Electricity 8 Active
US7346239B2 Device for crossing optical beams, in particular in an integrated optical circuit Physics 8 Expired
US10367598B2 Device, system and method for processing an optical signal Electricity 6 Active
US8494318B2 Method and device for hitless tunable optical filtering Physics 5 Active
US8095010B2 Method and device for tunable optical filtering Electricity 4 Active
US8923700B2 Method and system for tunable optical filtering Electricity 4 Active
US10852484B2 Apparatus and method for coupling light Physics 3 Active
US10162118B2 Optical coupling element Physics 2 Active
US6867902B2 Parametric device for wavelength conversion Physics 2 Expired
US7242517B2 Optical devices comprising series of birefringent waveplates Physics 2 Expired
US8494317B2 Method and device for hitless tunable optical filtering Physics 2 Active
US7526157B2 Point-to-point optical fibre link Physics 1 Expired
US10409002B2 Integrated circuit optical interconnect Physics 1 Active
US8380076B2 Optical transmission system with optical chromatic dispersion compensator Physics 1 Active
US7187868B2 Wavelength division multiplexing optical transmission system using a spectral inversion device Electricity 1 Expired
US6816659B2 Unit for compensating the chromatic dispersion in a reconfigurable manner Physics 1 Expired
US7133588B2 Device for bending an optical beam, in particular in an optical integrated circuit Physics 1 Expired
US10605988B2 Optical beam spot size converter Physics 0 Active
US12081319B2 Optical transmitter Electricity 0 Active
US8064776B2 Dispersion tolerant optical system and method Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.