Inventor · Longmont, CO, US

Jingfeng Liu

60Patents
10h-index
34Co-inventors
78Inventor score

Filing activity: Aug 17, 2001 → Sep 9, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7058873B2 Encoding method using a low density parity check code with a column weight of two Electricity 186 Expired
US8237597B2 Systems and methods for semi-independent loop processing Electricity 84 Active
US8295001B2 Systems and methods for low latency noise cancellation Physics 68 Active
US7362536B1 Disk drive that compensates for phase incoherence between radially adjacent servo tracks and methods thereof Physics 65 Active
US7525460B1 Timing loop based on analog to digital converter output and method of use Electricity 36 Active
US7596196B1 Timing recovery in error recovery for iterative detection Electricity 28 Active
US7900125B1 Majority detection in error recovery Electricity 26 Active
US7738202B1 Wide-biphase-detector quality monitor for sensing of pin layer reversal Physics 20 Active
US8266505B2 Systems and methods for retimed virtual data processing Electricity 19 Active
US8208213B2 Systems and methods for hybrid algorithm gain adaptation Electricity 18 Active
US7948699B2 Systems and methods for equalizer optimization in a storage access retry Physics 8 Active
US8441751B1 Dibit pulse extraction methods and systems Physics 8 Active
US8000193B1 Timing recovery for optical disc drive high frequency modulation Physics 6 Active
US7239682B2 Timing recovery system and method Electricity 6 Expired
US7872823B2 AGC loop with weighted zero forcing and LMS error sources and methods for using such Electricity 6 Active
US7974369B2 Phase detector for timing recovery loop Physics 4 Active
US7945009B1 Jitter measurement Physics 4 Active
US8477581B1 Asymmetry compensation system Physics 4 Active
US7483227B1 Detecting a thermal asperity condition of a disk drive head responsive to data value transitions Physics 4 Active
US8107328B1 Method and apparatus for calibrating optical recording system Physics 3 Active
US8862972B2 Low latency multi-detector noise cancellation Physics 3 Active
US7825836B1 Limit equalizer output based timing loop Electricity 3 Active
US8111739B1 Detector for low frequency offset distortion Physics 3 Active
US7200096B2 Method and apparatus for the modulation of multilevel data arrays Physics 3 Expired
US8050157B1 Timing recovery for optical disc drive high frequency modulation Physics 2 Active

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