Inventor · Brentwood, CA, US

Razmik Karabed

53Patents
15h-index
37Co-inventors
84Inventor score

Filing activity: Jan 9, 1986 → Jul 22, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5535531A Shoelace rapid tightening apparatus Emerging Cross-Sectional Technologies 132 Expired
US6594094B2 Read/write channel Physics 61 Expired
US4888779A Matched spectral null trellis codes for partial response channels Electricity 51 Expired
US4949196A Method and apparatus for asymmetrical RLL coding Physics 46 Expired
US4888775A Trellis codes for partial response channels Electricity 41 Expired
US5280489A Time-varying Viterbi detector for control of error event length Electricity 39 Expired
US5095484A Phase invariant rate 8/10 matched spectral null code for PRML Physics 35 Expired
US5497384A Permuted trellis codes for input restricted partial response channels Electricity 30 Expired
US5430744A Method and means for detecting partial response waveforms using a modified dynamic programming heuristic Electricity 29 Expired
US5537424A Matched spectral null codes with partitioned systolic trellis structures Electricity 28 Expired
US4870414A Even mark modulation coding method Electricity 27 Expired
US5809080A System and method for coding partial response channels with noise predictive Viterbi detectors Electricity 27 Expired
US6084535A System and method for generating many ones codes with hamming distance after precoding Electricity 26 Expired
US5548600A Method and means for generating and detecting spectrally constrained coded partial response waveforms using a time varying trellis modified by selective output state splitting Electricity 17 Expired
US4681324A Holographic game cards Physics 17 Expired
US6415415B1 Survival selection rule Electricity 13 Expired
US5809081A System and method for encoding data such that after precoding the data has a pre-selected parity structure Electricity 8 Expired
US6680980B1 Supporting ME2PRML and M2EPRML with the same trellis structure Electricity 8 Expired
US8407563B2 Low-complexity soft-decision decoding of error-correction codes Physics 7 Active
US8854755B2 Multi-level run-length limited finite state machine for magnetic recording channel Physics 6 Active
US8413023B2 Error-locator-polynomial generation with erasure support Electricity 6 Active
US6853509B2 Acquisition signal error estimator Physics 5 Expired
US8792195B2 Multi-level run-length limited finite state machine with multi-penalty Physics 5 Active
US6788482B2 Method and apparatus for Viterbi detector state metric re-normalization Electricity 5 Expired
US10597155B2 Shadow casting drone Performing Operations; Transporting 5 Active

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