Inventor · disambiguated record
Zhiqin Chen
Also filed as: CHEN ZHIQIN
32 granted patents·5 pending applications·195 citations·filing 2006–2024
96Inventor score
Top patents by PatentIndex Score
37 records- 0195US7859920B2Advanced bit line tracking in high performance memory compilersQUALCOMM INC·Filed 2008·Granted Dec 28, 2010·64 cites·15 claims
- 0292US7499347B2Self-timing circuit with programmable delay and programmable accelerator circuitsQUALCOMM INC·Filed 2006·Granted Mar 3, 2009·32 cites·25 claims
- 0391US9225324B2Circuit for generating accurate clock phase signals for high-speed SERDESQUALCOMM INC·Filed 2014·Granted Dec 29, 2015·12 cites·30 claims
- 0491US7646658B2Memory device with delay tracking for improved timing marginQUALCOMM INC·Filed 2007·Granted Jan 12, 2010·29 cites·31 claims
- 0590US11711077B1High-speed samplerQUALCOMM INC·Filed 2022·Granted Jul 25, 2023·2 cites·29 claims
- 0687US8564365B2Wide input bit-rate, power efficient PWM decoderDANG NAM V·Filed 2012·Granted Oct 22, 2013·12 cites·23 claims
- 0778US11329639B1Delay cell for quadrature clock generation with insensitivity to PVT variation and equal rising/falling edgesQUALCOMM INC·Filed 2021·Granted May 10, 2022·1 cites·17 claims
- 0878US9484867B2Wideband low-power amplifierQUALCOMM INC·Filed 2014·Granted Nov 1, 2016·6 cites·27 claims
- 0978US7881147B2Clock and control signal generation for high performance memory devicesQUALCOMM INC·Filed 2007·Granted Feb 1, 2011·11 cites·30 claims
- 1074US10698439B1Efficient clock forwarding schemeQUALCOMM INC·Filed 2019·Granted Jun 30, 2020·2 cites·22 claims
- 1173US12255661B1Early lock detection for phase locked loopsQUALCOMM INC·Filed 2023·Granted Mar 18, 2025·1 cites·20 claims
- 1271US9485084B2Linearity of phase interpolators by combining current coding and size codingQUALCOMM INC·Filed 2014·Granted Nov 1, 2016·3 cites·13 claims
- 1370US12009811B2High-speed samplerQUALCOMM INC·Filed 2023·Granted Jun 11, 2024·0 cites·19 claims
- 1470US8000165B2Self reset clock buffer in memory devicesQUALCOMM INC·Filed 2008·Granted Aug 16, 2011·6 cites·17 claims
- 1569US12235644B2Unmanned aerial vehicle (UAV)-assisted hanging ring robot for live installation and groundingSTATE GRID FUJIAN ELECTRIC POWER CO LTD·Filed 2022·Granted Feb 25, 2025·1 cites·14 claims
- 1669US7656731B2Semi-shared sense amplifier and global read line architectureQUALCOMM INC·Filed 2007·Granted Feb 2, 2010·7 cites·19 claims
- 1764US12463588B2Phase noise reduction for voltage-controlled oscillator using harmonic filterQUALCOMM INC·Filed 2024·Granted Nov 4, 2025·0 cites·18 claims
- 1859US12388692B2Hybrid clocking scheme for SERDES physical layer circuitsQUALCOMM INC·Filed 2023·Granted Aug 12, 2025·0 cites·27 claims
- 1959US11863356B2Analog receiver front-end with variable gain amplifier embedded in an equalizer structureQUALCOMM INC·Filed 2022·Granted Jan 2, 2024·0 cites·27 claims
- 2057US2025266797A1Adaptive loop to improve gain stage linearity in serdesQUALCOMM INC·Filed 2024·Application pending·0 cites
- 2154US2025233567A1Decision feedback equalizer (dfe) summerQUALCOMM INC·Filed 2024·Application pending·0 cites
- 2253US8289090B2Amplitude control for oscillatorCHEN ZHIQIN·Filed 2010·Granted Oct 16, 2012·2 cites·41 claims
- 2351US8760953B2Sense amplifier with selectively powered inverterCHEN NAN·Filed 2010·Granted Jun 24, 2014·1 cites·42 claims
- 2450US8208316B2SRAM yield enhancement by read margin improvementCHEN NAN·Filed 2008·Granted Jun 26, 2012·2 cites·11 claims
- 2549US2025309920A1Power distribution network noise compensation to reduce data dependency jitterQUALCOMM INC·Filed 2024·Application pending·0 cites
- 2647US12368441B2Power supply calibration for voltage controlled oscillatorsQUALCOMM INC·Filed 2023·Granted Jul 22, 2025·0 cites·27 claims
- 2746US9497049B2Wideband transmitter with high-frequency signal peakingQUALCOMM INC·Filed 2014·Granted Nov 15, 2016·0 cites·27 claims
- 2846US9305632B2Frequency power managerQUALCOMM INC·Filed 2013·Granted Apr 5, 2016·0 cites·79 claims
- 2946US8270239B2Semiconductor memory device and methods of performing a stress test on the semiconductor memory deviceCHEN NAN·Filed 2008·Granted Sep 18, 2012·1 cites·24 claims
- 3044US7948824B2Self reset clock buffer in memory devicesQUALCOMM INC·Filed 2010·Granted May 24, 2011·0 cites·20 claims
- 3142US11764795B2Fractional phase locked loop (PLL) with digital control driven by clock with higher frequency than PLL feedback signalQUALCOMM INC·Filed 2021·Granted Sep 19, 2023·0 cites·20 claims
- 3242US9755817B2Compact phase interpolatorQUALCOMM INC·Filed 2016·Granted Sep 5, 2017·0 cites·13 claims
- 3342US7962681B2System and method of conditional control of latch circuit devicesQUALCOMM INC·Filed 2008·Granted Jun 14, 2011·0 cites·25 claims
- 3437US8707001B2Method and system for measuring memory access time using phase detectorCHEN NAN·Filed 2008·Granted Apr 22, 2014·0 cites·22 claims
- 3535US8780658B2Leakage reduction in memory devicesJUNG CHANG HO·Filed 2009·Granted Jul 15, 2014·0 cites·20 claims
- 3635US2015109034A1Delay architecture for reducing downtime during frequency switchingQUALCOMM INC·Filed 2013·Application pending·0 cites
- 3733US2008285367A1Method and apparatus for reducing leakage current in memory arraysJUNG CHANG HO·Filed 2007·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →