Inventor · Kawasaki, JP

Jens Rasmussen

23Patents
5h-index
28Co-inventors
61Inventor score

Filing activity: Dec 17, 2003 → Oct 22, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US7277608B2 Optical transmitter Electricity 12 Expired
US7848659B2 Optical transmitting apparatus and optical communication system Electricity 12 Active
US7970290B2 Digital phase estimator, digital phase locked loop and optical coherent receiver Electricity 8 Active
US7603007B2 Quadrature phase-shift keying modulator and phase shift amount controlling method for the same Physics 7 Active
US7792428B2 Optical add/drop multiplexer Electricity 6 Active
US7676162B2 Phase monitor used in optical receiver Electricity 5 Active
US7853148B2 Optical add/drop multiplexer Electricity 5 Active
US8867927B2 Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them Electricity 5 Active
US7218856B2 System for compensating for chromatic dispersion and polarization mode dispersion Electricity 5 Expired
US7860408B2 Interferometer for demodulating differential M-phase shift keying signal Physics 5 Active
US7711270B2 Optical node and optical add/drop multiplexer Electricity 4 Active
US7877025B2 Phase monitor apparatus, phase control apparatus and methods thereof for optical DQPSK receiver Electricity 4 Active
US7953328B2 Optical DQPSK transmitter phase monitor and control Electricity 4 Active
US7616900B2 Optical signal degradation compensator Electricity 4 Expired
US7684713B2 Phase control apparatus and optical DQPSK receiver Electricity 4 Active
US8244138B2 Polarization-multiplexing optical transmitter polarization-multiplexing optical receiver, polarization-multiplexing optical transceiving system, and controlling method thereof Electricity 4 Active
US6865305B2 Adaptively controllable polarization mode dispersion compensator Electricity 3 Expired
US7030973B2 Polarization mode dispersion compensator based on degree of polarization Electricity 3 Expired
US8131152B2 Optical add/drop multiplexer Electricity 2 Active
US7689074B2 Optical reception apparatus compatible with DQPSK polarization multiplexing format Physics 2 Active
US7933522B2 Optical signal transmission system and optical signal transmission method Electricity 1 Active
US7613366B2 Polarization mode dispersion compensator and polarization mode dispersion compensating method Electricity 1 Expired
US7535616B2 Polarization controlling apparatus and polarization operation apparatus Physics 1 Active

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