Patent assignee · CA · GOVERNMENT

Her Majesty the Queen in the Right of Canada, as represented by the Minister Industry, through the Communications Research Center Canada

80Patents
46Active
80Granted
49Portfolio score

Filing activity: Jun 6, 1996 → Oct 15, 2021 · 25 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5952972A Broadband nonhomogeneous multi-segmented dielectric resonator antenna system Electricity 291 Expired
US8213711B2 Method and graphical user interface for modifying depth maps Physics 232 Active
US6161209A Joint detector for multiple coded digital signals Electricity 190 Expired
US6625333B1 Method for temporal interpolation of an image sequence using object-based image analysis Electricity 81 Expired
US7340375B1 Method and apparatus for noise floor estimation Electricity 77 Expired
US6339834B1 Interleaving with golden section increments Electricity 67 Expired
US5940036A Broadband circularly polarized dielectric resonator antenna Electricity 56 Expired
US6145114A Method of enhanced max-log-a posteriori probability processing Electricity 55 Expired
US7822147B2 Self-calibrating multi-port circuit and method Electricity 48 Active
US6510536B1 Reduced-complexity max-log-APP decoders and related turbo decoders Electricity 48 Expired
US6133882A Multiple parasitic coupling to an outer antenna patch element from inner patch elements Electricity 45 Expired
US6530059B1 Tail-biting turbo-code encoder and associated decoder Electricity 44 Expired
US6718508B2 High-performance error-correcting codes with skew mapping Electricity 42 Expired
US7031571B2 Bragg grating and method of producing a Bragg grating using an ultrafast laser Physics 34 Expired
US6911950B2 Gimballed reflector mounting platform Electricity 32 Expired
US7418144B2 Curved wavelet transform for image and video compression Electricity 30 Active
US8384763B2 Generating a depth map from a two-dimensional source image for stereoscopic and multiview imaging Physics 24 Active
US6145111A High-performance low-complexity error-correcting codes Electricity 24 Expired
US6693983B1 Method and system for detection of short digital radio messages Electricity 21 Expired
US8488868B2 Generation of a depth map from a monoscopic color image for rendering stereoscopic still and video images Electricity 21 Active
US6388546B1 Method and apparatus for cascading frequency doublers Electricity 20 Expired
US7203893B2 Soft input decoding for linear codes Electricity 20 Expired
US7471866B2 Waveguiding structures with embedded microchannels and method for fabrication thereof Physics 19 Active
US8352840B2 Event cleanup processing for improving the performance of sequence-based decoders Electricity 16 Active
US7995688B2 Channel estimation and ICI cancellation for OFDM Electricity 15 Active

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