Inventor · disambiguated record
Jieming Qi
Also filed as: QI JIEMING
76 granted patents·10 pending applications·425 citations·filing 2000–2022
99Inventor score
Top patents by PatentIndex Score
86 records- 0197US10056909B1Single-lock delay locked loop with cycle counter and method thereforeEVERSPIN TECHNOLOGIES INC·Filed 2017·Granted Aug 21, 2018·19 cites·20 claims
- 0293US11804828B2Dual duty cycle correction loop for a serializer/deserializer (SerDes) transmitter outputIBM·Filed 2022·Granted Oct 31, 2023·3 cites·20 claims
- 0392US7511554B2Systems and methods for level shifting using AC couplingTOSHIBA KK·Filed 2007·Granted Mar 31, 2009·20 cites·11 claims
- 0492US7245161B2Apparatus and method for verifying glitch-free operation of a multiplexerIBM·Filed 2005·Granted Jul 17, 2007·22 cites·20 claims
- 0591US7322001B2Apparatus and method for automatically self-calibrating a duty cycle circuit for maximum chip performanceIBM·Filed 2005·Granted Jan 22, 2008·18 cites·24 claims
- 0690US7675338B2Duty cycle correction circuit whose operation is largely independent of operating voltage and processIBM·Filed 2008·Granted Mar 9, 2010·15 cites·11 claims
- 0789US7360135B2Apparatus and method for automatically self-calibrating a duty cycle circuit for maximum chip performanceIBM·Filed 2007·Granted Apr 15, 2008·14 cites·23 claims
- 0887US7200064B1Apparatus and method for providing a reprogrammable electrically programmable fuseIBM·Filed 2005·Granted Apr 3, 2007·20 cites·35 claims
- 0985US7245172B2Level shifter apparatus and method for minimizing duty cycle distortionIBM·Filed 2005·Granted Jul 17, 2007·13 cites·20 claims
- 1083US7330061B2Method and apparatus for correcting the duty cycle of a digital signalIBM·Filed 2006·Granted Feb 12, 2008·12 cites·35 claims
- 1181US7417480B2Duty cycle correction circuit whose operation is largely independent of operating voltage and processIBM·Filed 2006·Granted Aug 26, 2008·9 cites·7 claims
- 1281US7391277B2Interleaved voltage controlled oscillatorIBM·Filed 2006·Granted Jun 24, 2008·8 cites·4 claims
- 1381US7356716B2System and method for automatic calibration of a reference voltageIBM·Filed 2005·Granted Apr 8, 2008·9 cites·5 claims
- 1481US7350095B2Digital circuit to measure and/or correct duty cyclesIBM·Filed 2005·Granted Mar 25, 2008·9 cites·1 claims
- 1581US6404235B1System and method for reducing latency in a dynamic circuitIBM·Filed 2000·Granted Jun 11, 2002·23 cites·13 claims
- 1680US7363178B2Method and apparatus for measuring the relative duty cycle of a clock signalIBM·Filed 2006·Granted Apr 22, 2008·10 cites·9 claims
- 1780US7333905B2Method and apparatus for measuring the duty cycle of a digital signalIBM·Filed 2006·Granted Feb 19, 2008·8 cites·14 claims
- 1877US7913199B2Structure for a duty cycle correction circuitIBM·Filed 2008·Granted Mar 22, 2011·8 cites·14 claims
- 1977US7595675B2Duty cycle measurement method and apparatus that operates in a calibration mode and a test modeIBM·Filed 2006·Granted Sep 29, 2009·8 cites·31 claims
- 2075US7260491B2Duty cycle measurement apparatus and methodIBM·Filed 2005·Granted Aug 21, 2007·6 cites·18 claims
- 2174US10250265B2Single-lock delay locked loop with cycle counter and method thereforEVERSPIN TECHNOLOGIES INC·Filed 2018·Granted Apr 2, 2019·2 cites·20 claims
- 2274US7716516B2Method for controlling operation of microprocessor which performs duty cycle correction processSONY COMPUTER ENTERTAINMENT INC·Filed 2006·Granted May 11, 2010·6 cites·20 claims
- 2374US7420400B2Method and apparatus for on-chip duty cycle measurementIBM·Filed 2006·Granted Sep 2, 2008·7 cites·13 claims
- 2474US7113881B2Method and apparatus for semi-automatic extraction and monitoring of diode ideality in a manufacturing environmentIBM·Filed 2004·Granted Sep 26, 2006·14 cites·21 claims
- 2573US9444657B2Dynamically calibrating the offset of a receiver with a decision feedback equalizer (DFE) while performing data transport operationsIBM·Filed 2013·Granted Sep 13, 2016·3 cites·19 claims
- 2673US8037431B2Structure for interleaved voltage controlled oscillatorIBM·Filed 2008·Granted Oct 11, 2011·5 cites·9 claims
- 2773US7493229B2Adjusting voltage for a phase locked loop based on temperatureIBM·Filed 2007·Granted Feb 17, 2009·8 cites·13 claims
- 2872US7617059B2Method and apparatus for measuring the duty cycle of a digital signalIBM·Filed 2007·Granted Nov 10, 2009·5 cites·10 claims
- 2970US8736304B2Self-biased high speed level shifter circuitBOERSTLER DAVID WILLIAM·Filed 2005·Granted May 27, 2014·7 cites·10 claims
- 3070US7877222B2Structure for a phase locked loop with adjustable voltage based on temperatureIBM·Filed 2008·Granted Jan 25, 2011·7 cites·19 claims
- 3170US7358785B2Apparatus and method for extracting a maximum pulse width of a pulse width limiterIBM·Filed 2006·Granted Apr 15, 2008·5 cites·10 claims
- 3269US7646177B2Design structure for a duty cycle measurement apparatus that operates in a calibration mode and a test modeIBM·Filed 2008·Granted Jan 12, 2010·5 cites·33 claims
- 3368US7969250B2Structure for a programmable interpolative voltage controlled oscillator with adjustable rangeIBM·Filed 2008·Granted Jun 28, 2011·6 cites·22 claims
- 3468US6819141B1High speed, static digital multiplexerIBM·Filed 2000·Granted Nov 16, 2004·13 cites·21 claims
- 3567US7024445B2Method and apparatus for use in booth-encoded multiplicationANALOG DEVICES INC·Filed 2001·Granted Apr 4, 2006·12 cites·43 claims
- 3666US8032850B2Structure for an absolute duty cycle measurement circuitIBM·Filed 2008·Granted Oct 4, 2011·3 cites·16 claims
- 3766US7642863B2Systems and methods for PLL linearity measurement, PLL output duty cycle measurement and duty cycle correctionTOSHIBA KK·Filed 2007·Granted Jan 5, 2010·5 cites·18 claims
- 3866US7620126B2Method and apparatus for detecting frequency lock in a system including a frequency synthesizerIBM·Filed 2005·Granted Nov 17, 2009·6 cites·14 claims
- 3965US10608648B2Single-lock delay locked loop with cycle counter and method thereforEVERSPIN TECHNOLOGIES INC·Filed 2019·Granted Mar 31, 2020·1 cites·20 claims
- 4065US7917795B2Digital circuit to measure and/or correct duty cyclesIBM·Filed 2008·Granted Mar 29, 2011·2 cites·11 claims
- 4164US7917318B2Structure for a duty cycle measurement circuitIBM·Filed 2008·Granted Mar 29, 2011·4 cites·19 claims
- 4264US7904264B2Absolute duty cycle measurementIBM·Filed 2007·Granted Mar 8, 2011·4 cites·20 claims
- 4364US7863958B2High speed clock signal duty cycle adjustmentIBM·Filed 2008·Granted Jan 4, 2011·4 cites·18 claims
- 4464US7644198B2DMAC translation mechanismIBM·Filed 2005·Granted Jan 5, 2010·4 cites·22 claims
- 4564US7589575B2Precision integrated phase lock loop circuit loop filterIBM·Filed 2007·Granted Sep 15, 2009·4 cites·20 claims
- 4663US12095891B2Communication systems for power supply noise reductionIBM·Filed 2022·Granted Sep 17, 2024·0 cites·18 claims
- 4761US12176960B2Communication systems for power supply noise reductionIBM·Filed 2022·Granted Dec 24, 2024·0 cites·18 claims
- 4861US7747892B2System for automatically selecting intermediate power supply voltages for intermediate level shiftersIBM·Filed 2008·Granted Jun 29, 2010·3 cites·14 claims
- 4958US11979480B2Quadrature circuit interconnect architecture with clock forwardingIBM·Filed 2022·Granted May 7, 2024·0 cites·20 claims
- 5056US7782146B2Interleaved voltage controlled oscillatorIBM·Filed 2008·Granted Aug 24, 2010·2 cites·7 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →