Inventor · Mountain View, CA, US

Frederick K. H. Lee

34Patents
6h-index
25Co-inventors
65Inventor score

Filing activity: Oct 28, 2011 → Apr 3, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8923066B1 Storage of read thresholds for NAND flash storage using linear approximation Physics 62 Active
US8943386B1 Generating soft read values which optimize dynamic range Electricity 13 Active
US9342389B2 Neighbor based and dynamic hot threshold based hot data identification Physics 12 Active
US8923062B1 Generating read thresholds using gradient descent and without side information Physics 10 Active
US9589673B1 Estimation of an optimal read threshold using symmetry Physics 10 Active
US9390002B1 Efficient bin labeling schemes for tracking cells in solid state storage devices Physics 7 Active
US9741431B2 Optimal read threshold estimation Physics 5 Active
US9842023B2 Generating soft read values using multiple reads and/or bins Electricity 4 Active
US9269448B2 Generating soft read values using multiple reads and/or bins Electricity 4 Active
US8937838B2 Finding optimal read thresholds and related voltages for solid state memory Physics 4 Active
US10102146B2 Memory system and operating method for improving rebuild efficiency Physics 3 Active
US9256522B1 Method and system for generating soft-information after a single read in NAND flash using expected and measured values Physics 3 Active
US8650459B1 Soft input, soft ouput mappers and demappers for block codes Physics 3 Active
US10275297B2 Generating soft read values which optimize dynamic range Electricity 2 Active
US9305658B2 Finding optimal read thresholds and related voltages for solid state memory Physics 2 Active
US10055168B2 Delaying hot block garbage collection with adaptation Physics 2 Active
US9128710B2 Power saving techniques that use a lower bound on bit errors Emerging Cross-Sectional Technologies 2 Active
US9812193B2 Threshold estimation using bit flip counts and minimums Physics 1 Active
US12176921B2 Storage device syndrome-weight-based error correction system Electricity 1 Active
US9269449B2 Generating read thresholds using gradient descent and without side information Physics 1 Active
US10296452B2 Data separation by delaying hot block garbage collection Physics 1 Active
US10185623B2 Reading and writing to NAND flash memories using charge constrained codes Physics 0 Active
US9336885B1 Reading and writing to NAND flash memories using charge constrained codes Physics 0 Active
US9985647B2 Encoder and decoder design for near-balanced codes Electricity 0 Active
US10127157B2 Sizing a cache while taking into account a total bytes written requirement Physics 0 Active

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