Inventor
QIAN HAOLI
US50 patents
⚠️ This page may combine multiple inventors who share the name “QIAN HAOLI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CREDO TECH GROUP LTD
32 patentsUS10069660B1Sep 4, 2018
Low power SerDes architecture and protocol
CREDO TECH GROUP LTD21 citations93
US11038602B1Jun 15, 2021
On-chip jitter evaluation for SerDes
CREDO TECH GROUP LTD10 citations86
US10992501B1Apr 27, 2021
Eye monitor for parallelized digital equalizers
CREDO TECH GROUP LTD17 citations86
US11424968B1Aug 23, 2022
Retimer training during link speed negotiation and link training
CREDO TECH GROUP LTD11 citations85
US11032111B2Jun 8, 2021
Serdes pre-equalizer having adaptable preset coefficient registers
CREDO TECH GROUP LTD7 citations84
US10313105B2Jun 4, 2019
Fractional-N PLL based clock recovery for SerDes
CREDO TECH GROUP LTD10 citations84
US11128497B1Sep 21, 2021
Decision feedback equalizer with fractional tap unrolling
CREDO TECH GROUP LTD14 citations83
US10447509B1Oct 15, 2019
Precompensator-based quantization for clock recovery
CREDO TECH GROUP LTD12 citations83
US12375329B2Jul 29, 2025
Transitioning between signal constellations
CREDO TECH GROUP LTD4 citations73
US11831475B1Nov 28, 2023
Receiver using pseudo partial response maximum likelihood sequence detection
CREDO TECH GROUP LTD2 citations73
US11356302B1Jun 7, 2022
Equalizer training during link speed negotiation
CREDO TECH GROUP LTD5 citations73
US11309995B2Apr 19, 2022
Parallel channel skew for enhanced error correction
CREDO TECH GROUP LTD2 citations73
US10728059B1Jul 28, 2020
Parallel mixed-signal equalization for high-speed serial link
CREDO TECH GROUP LTD6 citations73
US11196592B1Dec 7, 2021
Equalizer with perturbation effect based adaptation
CREDO TECH GROUP LTD4 citations72
US11349704B2May 31, 2022
Physical layer interface with redundant data paths
CREDO TECH GROUP LTD2 citations68
US11032103B2Jun 8, 2021
Ethernet link extension method and device
CREDO TECH GROUP LTD2 citations68
US11646959B2May 9, 2023
Active ethernet cable with broadcasting and multiplexing for data path redundancy
CREDO TECH GROUP LTD3 citations65
US12401488B1Aug 26, 2025
Dynamic timing loop gain to compensate phase interpolation nonlinearities
CREDO TECH GROUP LTD1 citations63
US11942730B2Mar 26, 2024
Active redundant Y-cable with power sharing
CREDO TECH GROUP LTD1 citations62
US11616576B2Mar 28, 2023
Onboard/co-packaged optics with transmit-side equalization
CREDO TECH GROUP LTD0 citations62
US11451262B1Sep 20, 2022
Spread spectrum clock converter
CREDO TECH GROUP LTD0 citations62
US11231740B2Jan 25, 2022
Clock recovery using between-interval timing error estimation
CREDO TECH GROUP LTD0 citations62
US11005567B2May 11, 2021
Efficient multi-mode DFE
CREDO TECH GROUP LTD1 citations62
US12105659B2Oct 1, 2024
Active cable with remote end control access
CREDO TECH GROUP LTD0 citations61
US11570024B2Jan 31, 2023
Equalizer with perturbation effect based adaptation
CREDO TECH GROUP LTD1 citations61
US11347476B2May 31, 2022
Digital filtering using combined approximate summation of partial products
CREDO TECH GROUP LTD0 citations60
US12438567B2Oct 7, 2025
SerDes method and device having a protocol-agnostic in-band management channel
CREDO TECH GROUP LTD0 citations59
US12063128B2Aug 13, 2024
Ethernet link extension method and device
CREDO TECH GROUP LTD0 citations58
US11300613B2Apr 12, 2022
Systems and methods for testing jitter tolerance
CREDO TECH GROUP LTD1 citations57
US10411917B2Sep 10, 2019
Linear feedback equalization
CREDO TECH GROUP LTD0 citations50
US11112459B2Sep 7, 2021
Scan based test design in serdes applications
CREDO TECH GROUP LTD0 citations45
US10063305B2Aug 28, 2018
Communications link performance analyzer that accommodates forward error correction
CREDO TECH GROUP LTD0 citations42
MARVELL INT LTD
12 patentsUS7742556B1Jun 22, 2010
Circuits, methods, apparatus, and systems for recovery of spread spectrum clock
MARVELL INT LTD22 citations93
US7425910B1Sep 16, 2008
Transmitter digital-to-analog converter with noise shaping
MARVELL INT LTD13 citations93
US7684778B1Mar 23, 2010
Image cancellation in receivers
MARVELL INT LTD18 citations91
US7987396B1Jul 26, 2011
Reducing bit-error rate using adaptive decision feedback equalization
MARVELL INT LTD15 citations84
US7436337B1Oct 14, 2008
Transmitter digital-to-analog converter with noise shaping
MARVELL INT LTD10 citations84
US8694837B1Apr 8, 2014
Non-intrusive eye monitor system
MARVELL INT LTD7 citations82
US7999711B1Aug 16, 2011
Transmitter digital-to-analog converter with noise shaping
MARVELL INT LTD5 citations74
US7773017B1Aug 10, 2010
Transmitter digital-to-analog converter with noise shaping
MARVELL INT LTD7 citations74
US8908754B1Dec 9, 2014
Decision feedback equalization for signals having unequally distributed patterns
MARVELL INT LTD4 citations73
US8023920B1Sep 20, 2011
Image cancellation in receivers
MARVELL INT LTD5 citations72
US7471225B1Dec 30, 2008
Transmitter digital-to-analog converter with noise shaping
MARVELL INT LTD1 citations63
US9148315B1Sep 29, 2015
Method and apparatus for reducing jitter in overlaid traces of an eye diagram of a recovered signal generated based on a received data signal
MARVELL INT LTD3 citations62
QIAN HAOLI
4 patentsUS8074126B1Dec 6, 2011
Non-intrusive eye monitor system
QIAN HAOLI51 citations96
US9071479B2Jun 30, 2015
High-speed parallel decision feedback equalizer
QIAN HAOLI17 citations83
US8542725B1Sep 24, 2013
Decision feedback equalization for signals having unequally distributed patterns
QIAN HAOLI9 citations83
US8327195B1Dec 4, 2012
Non-intrusive eye monitor system
QIAN HAOLI2 citations61