Inventor · disambiguated record
Shen-Iuan Liu
Also filed as: LIU SHEN-IUAN
47 granted patents·2 pending applications·608 citations·filing 1991–2020
98Inventor score
Files withNAT SCIENCE COUNCIL13UNIV NAT TAIWAN9MEDIATEK INC5NOVATEK MICROELECTRONICS CORP4IND TECH RES INST3
Top patents by PatentIndex Score
49 records- 0196US7965108B2Frequency synthesizerMEDIATEK INC·Filed 2009·Granted Jun 21, 2011·28 cites·5 claims
- 0294US8890626B2Divider-less phase locked loop (PLL)CHEN YEN-JEN·Filed 2012·Granted Nov 18, 2014·22 cites·20 claims
- 0392US11128304B1Clock and data recovery device and jitter tolerance enhancement method thereofNOVATEK MICROELECTRONICS CORP·Filed 2020·Granted Sep 21, 2021·5 cites·13 claims
- 0492US7106033B1Quick-recovery low dropout linear regulatorSITRONIX TECHNOLOGY CORP·Filed 2005·Granted Sep 12, 2006·34 cites·7 claims
- 0589US8193963B2Method and system for time to digital conversion with calibration and correction loopsWANG YOU-JEN·Filed 2010·Granted Jun 5, 2012·18 cites·22 claims
- 0687US7671635B2Frequency synthesizer, coupled divide-by-N circuit, current-reuse multiply-by-M circuitUNIV NAT TAIWAN·Filed 2007·Granted Mar 2, 2010·23 cites·11 claims
- 0784US6559751B2Inductor deviceARCHIC TECH CORP·Filed 2001·Granted May 6, 2003·38 cites·13 claims
- 0884US5124666ACMOS current convevor and its filter applicationsIND TECH RES INST·Filed 1991·Granted Jun 23, 1992·42 cites·27 claims
- 0982US10594264B2Dynamic amplifier and related gain boosting methodNOVATEK MICROELECTRONICS CORP·Filed 2018·Granted Mar 17, 2020·4 cites·19 claims
- 1082US10256967B2Clock and data recovery circuit with jitter tolerance enhancementNOVATEK MICROELECTRONICS CORP·Filed 2018·Granted Apr 9, 2019·4 cites·16 claims
- 1182US7884674B2Clock and data recovery circuitUNIV NAT TAIWAN·Filed 2009·Granted Feb 8, 2011·12 cites·24 claims
- 1282US6639532B1Nested chopper delta-sigma modulatorMACRONIX INT CO LTD·Filed 2002·Granted Oct 28, 2003·27 cites·20 claims
- 1380US7639053B2Spread spectrum clock generator with low jitterFARADAY TECH CORP·Filed 2008·Granted Dec 29, 2009·15 cites·7 claims
- 1479US8593207B2Limiting amplifiersLIU SHEN-IUAN·Filed 2009·Granted Nov 26, 2013·9 cites·7 claims
- 1579US8050376B2All digital phase-locked loop with widely locked frequencyUNIV NAT TAIWAN·Filed 2008·Granted Nov 1, 2011·12 cites·15 claims
- 1679US6169440B1Offset-compensated switched-opamp integrator and filterNAT SCIENCE COUNCIL·Filed 1999·Granted Jan 2, 2001·33 cites·4 claims
- 1778US7786810B2Phase locked loop with leakage current calibrationUNIV NAT TAIWAN·Filed 2008·Granted Aug 31, 2010·11 cites·19 claims
- 1877US8476972B2Method and apparatus for amplifying a time differenceWANG YOU-JEN·Filed 2010·Granted Jul 2, 2013·5 cites·24 claims
- 1977US7605667B2Frequency synthesizer with a harmonic locked phase/frequency detectorMEDIATEK INC·Filed 2007·Granted Oct 20, 2009·6 cites·9 claims
- 2076US7924193B2All-digital spread spectrum clock generatorUNIV NAT TAIWAN·Filed 2009·Granted Apr 12, 2011·11 cites·15 claims
- 2176US6323719B1Pseudo bipolar junction transistorNAT SCIENCE COUNCIL·Filed 2000·Granted Nov 27, 2001·22 cites·9 claims
- 2272US10725486B2Reference voltage generatorNOVATEK MICROELECTRONICS CORP·Filed 2018·Granted Jul 28, 2020·2 cites·24 claims
- 2371US5596289ADifferential-difference current conveyor and applications thereforNAT SCIENCE COUNCIL·Filed 1995·Granted Jan 21, 1997·31 cites·15 claims
- 2468US8228126B2Multi-band burst-mode clock and data recovery circuitLIANG CHE-FU·Filed 2008·Granted Jul 24, 2012·4 cites·16 claims
- 2566US6515607B2Delta-sigma modulatorARCHIC TECH CORP·Filed 2002·Granted Feb 4, 2003·16 cites·6 claims
- 2666US6172631B1Double-sampling pseudo-3-path bandpass sigma-delta modulatorNAT SCIENCE COUNCIL·Filed 1999·Granted Jan 9, 2001·30 cites·16 claims
- 2764US8669795B2Noise filtering fractional-N frequency synthesizer and operating method thereofUNIV NAT TAIWAN·Filed 2012·Granted Mar 11, 2014·3 cites·14 claims
- 2863US6288587B1CMOS pulse shrinking delay element with deep subnanosecond resolutionNAT SCIENCE COUNCIL REPUBLIC CHINA·Filed 1999·Granted Sep 11, 2001·33 cites·1 claims
- 2956US5930322ADivide-by-4/5 counterNAT SCIENCE COUNCIL·Filed 1997·Granted Jul 27, 1999·15 cites·9 claims
- 3055US6094466AHigh-frequency CMOS dual/multi modulus prescalerNAT SCIENCE COUNCIL·Filed 1997·Granted Jul 25, 2000·12 cites·1 claims
- 3149US7983361B2Clock data recovery circuitMEDIATEK INC·Filed 2007·Granted Jul 19, 2011·0 cites·9 claims
- 3249US6756818B1Voltage-controlled delay line with reduced timing errors and jittersMEDIATEK INC·Filed 2003·Granted Jun 29, 2004·5 cites·10 claims
- 3348US5602504AFour-quadrant three-input multiplierNAT SCIENCE COUNCIL·Filed 1995·Granted Feb 11, 1997·14 cites·10 claims
- 3447US7940847B2Frequency synthesizer and frequency synthesizing methodIND TECH RES INST·Filed 2006·Granted May 10, 2011·1 cites·34 claims
- 3546US6380773B1Prescalar using fraction division theoryNAT SCIENCE COUNCIL·Filed 2000·Granted Apr 30, 2002·4 cites·9 claims
- 3646US5557228AFour-quadrant multiplierNAT SCIENCE COUNCIL·Filed 1995·Granted Sep 17, 1996·13 cites·12 claims
- 3744US6118390AApparatus for obtaining a pulse width of an unknown pulse signalNAT SCIENCE COUNCIL·Filed 1997·Granted Sep 12, 2000·10 cites·10 claims
- 3844US2011210799A1Frequency SynthesizerMEDIATEK INC·Filed 2011·Application pending·0 cites
- 3943US5986483ADirect digital frequency systhesizerNAT SCIENCE COUNCIL·Filed 1997·Granted Nov 16, 1999·21 cites·12 claims
- 4040US5656964ACMOS low-voltage four-quadrant multiplierNAT SCIENCE COUNCIL·Filed 1995·Granted Aug 12, 1997·8 cites·13 claims
- 4137US11303286B2Sub-sampling phase-locked loopREALTEK SEMICONDUCTOR CORP·Filed 2020·Granted Apr 12, 2022·0 cites·9 claims
- 4235US5097155ASwitched-current differentiators and filtersIND TECH RES INST·Filed 1991·Granted Mar 17, 1992·4 cites·10 claims
- 4333US7791517B2Fully differential delta sigma modulatorUNIV NAT TAIWAN·Filed 2008·Granted Sep 7, 2010·0 cites·4 claims
- 4431US8629737B2Signal processing apparatusWANG KUN-YIN·Filed 2012·Granted Jan 14, 2014·0 cites·20 claims
- 4531US5506538AVector summation deviceNAT SCIENCE COUNCIL OF R O C·Filed 1995·Granted Apr 9, 1996·1 cites·15 claims
- 4630US8319525B2Flip-flop circuit and leakage current suppression circuit utilized in a flip-flop circuitTSAI YUN-TA·Filed 2010·Granted Nov 27, 2012·0 cites·10 claims
- 4729US8975965B2Differential signal correction circuitUNIV NAT TAIWAN·Filed 2013·Granted Mar 10, 2015·0 cites·22 claims
- 4829US2009079506A1Phase-locked loop and method with frequency calibrationUNIV NAT TAIWAN·Filed 2007·Application pending·0 cites
- 4921US6208192B1Four-quadrant multiplier for operation of MOSFET devices in saturation regionNAT SCIENCE COUNCIL·Filed 1997·Granted Mar 27, 2001·0 cites·7 claims
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