Inventor · disambiguated record
Sergey Shumarayev
Also filed as: SHUMARAYEV SERGEY · SHUMARAYEV SERGEY Y · SHUMARAYEV SERGEY YURYEVICH
209 granted patents·8 pending applications·3,089 citations·filing 1999–2024
99Inventor score
Top patents by PatentIndex Score
217 records- 0199US7996749B2Signal loss detector for high-speed serial interface of a programmable logic deviceALTERA CORP·Filed 2007·Granted Aug 9, 2011·414 cites·20 claims
- 0298US8744012B1On-chip eye viewer architecture for highspeed transceiversDING WEIQI·Filed 2012·Granted Jun 3, 2014·43 cites·29 claims
- 0398US6407576B1Interconnection and input/output resources for programmable logic integrated circuit devicesALTERA CORP·Filed 2000·Granted Jun 18, 2002·183 cites·41 claims
- 0497US7821343B1Transmitter with multiple phase locked loopsALTERA CORP·Filed 2008·Granted Oct 26, 2010·42 cites·21 claims
- 0597US7321259B1Programmable logic enabled dynamic offset cancellationALTERA CORP·Filed 2005·Granted Jan 22, 2008·37 cites·29 claims
- 0697US6480027B1Driver circuitry for programmable logic devicesALTERA CORP·Filed 2000·Granted Nov 12, 2002·79 cites·33 claims
- 0797US6323680B1Programmable logic device configured to accommodate multiplicationALTERA CORP·Filed 2000·Granted Nov 27, 2001·113 cites·33 claims
- 0896US6943588B1Dynamically-adjustable differential output driversALTERA CORP·Filed 2003·Granted Sep 13, 2005·59 cites·30 claims
- 0996US6940302B1Integrated circuit output driver circuitry with programmable preemphasisALTERA CORP·Filed 2003·Granted Sep 6, 2005·68 cites·15 claims
- 1095US8228102B1Phase-locked loop architecture and clock distribution systemPHAM TIEN DUC·Filed 2010·Granted Jul 24, 2012·16 cites·20 claims
- 1195US7986160B2Apparatus and methods for adjusting performance characteristics and power consumption of programmable logic devicesALTERA CORP·Filed 2006·Granted Jul 26, 2011·26 cites·22 claims
- 1294US9002155B2Integrated optical-electronic interface in programmable integrated circuit deviceLI PENG·Filed 2012·Granted Apr 7, 2015·23 cites·15 claims
- 1394US7791370B1Clock distribution techniques for channelsALTERA CORP·Filed 2009·Granted Sep 7, 2010·33 cites·23 claims
- 1494US7532029B1Techniques for reconfiguring programmable circuit blocksALTERA CORP·Filed 2007·Granted May 12, 2009·27 cites·21 claims
- 1594US7397270B1Dynamically-adjustable differential output driversALTERA CORP·Filed 2005·Granted Jul 8, 2008·22 cites·11 claims
- 1694US7109744B1Programmable termination with DC voltage level controlALTERA CORP·Filed 2005·Granted Sep 19, 2006·45 cites·53 claims
- 1793US8537886B1Reconfigurable equalization architecture for high-speed receiversSU XIAOYAN·Filed 2012·Granted Sep 17, 2013·38 cites·20 claims
- 1893US8335249B1Receiver equalizer circuitry with offset voltage compensation for use on integrated circuitsSU XIAOYAN·Filed 2009·Granted Dec 18, 2012·50 cites·32 claims
- 1993US7782935B1Half-rate DFE with duplicate path for high data-rate operationALTERA CORP·Filed 2006·Granted Aug 24, 2010·28 cites·21 claims
- 2093US7693691B1Systems and methods for simulating link performanceALTERA CORP·Filed 2006·Granted Apr 6, 2010·36 cites·33 claims
- 2193US7541857B1Comparator offset cancellation assisted by PLD resourcesALTERA CORP·Filed 2005·Granted Jun 2, 2009·29 cites·26 claims
- 2293US7514968B1H-tree driver circuitryALTERA CORP·Filed 2007·Granted Apr 7, 2009·25 cites·15 claims
- 2392US9429625B1Analog signal test circuits and methodsDING WEIQI·Filed 2012·Granted Aug 30, 2016·11 cites·20 claims
- 2492US7602212B1Flexible high-speed serial interface architectures for programmable integrated circuit devicesALTERA CORP·Filed 2007·Granted Oct 13, 2009·23 cites·20 claims
- 2591US8669828B1Decoupling capacitor control circuitryWONG WILSON·Filed 2010·Granted Mar 11, 2014·14 cites·20 claims
- 2691US8451883B1On-chip full eye viewer architectureDING WEIQI·Filed 2009·Granted May 28, 2013·25 cites·29 claims
- 2791US7403035B1Low-power transceiver architectures for programmable logic integrated circuit devicesALTERA CORP·Filed 2007·Granted Jul 22, 2008·17 cites·20 claims
- 2891US6972588B1Adjustable differential input and output driversALTERA CORP·Filed 2005·Granted Dec 6, 2005·18 cites·20 claims
- 2990US8750406B2Multi-level amplitude signaling receiverPAN MINGDE·Filed 2012·Granted Jun 10, 2014·27 cites·12 claims
- 3090US6812734B1Programmable termination with DC voltage level controlALTERA CORP·Filed 2002·Granted Nov 2, 2004·60 cites·17 claims
- 3190US6281704B2High-performance interconnectALTERA CORP·Filed 2001·Granted Aug 28, 2001·53 cites·48 claims
- 3289US8571059B1Apparatus and methods for serial interfaces with shared datapathsZALIZNYAK ARCH·Filed 2011·Granted Oct 29, 2013·17 cites·18 claims
- 3389US8081723B1Serial data signal eye width estimator methods and apparatusDING WEIQI·Filed 2008·Granted Dec 20, 2011·18 cites·14 claims
- 3489US7619451B1Techniques for compensating delays in clock signals on integrated circuitsALTERA CORP·Filed 2007·Granted Nov 17, 2009·20 cites·23 claims
- 3589US7557615B1High-speed serial data transmitter architectureALTERA CORP·Filed 2008·Granted Jul 7, 2009·14 cites·17 claims
- 3689US7317332B2Interconnection and input/output resources for programmable logic integrated circuit devicesALTERA CORP·Filed 2005·Granted Jan 8, 2008·12 cites·21 claims
- 3789US7242221B1Selectable inversion of differential input and/or output pins in programmable logic devicesALTERA CORP·Filed 2005·Granted Jul 10, 2007·17 cites·18 claims
- 3889US7109743B2Integrated circuit output driver circuitry with programmable preemphasisALTERA CORP·Filed 2005·Granted Sep 19, 2006·15 cites·24 claims
- 3988US7590207B1Modular serial interface in programmable logic deviceALTERA CORP·Filed 2005·Granted Sep 15, 2009·18 cites·36 claims
- 4088US7245240B1Integrated circuit serializers with two-phase global master clocksALTERA CORP·Filed 2006·Granted Jul 17, 2007·20 cites·20 claims
- 4187US8692595B1Transceiver circuitry with multiple phase-locked loopsALTERA CORP·Filed 2013·Granted Apr 8, 2014·8 cites·21 claims
- 4287US8416001B2Techniques for reducing duty cycle distortion in periodic signalsDING WEIQI·Filed 2011·Granted Apr 9, 2013·8 cites·21 claims
- 4387US8222967B1Receiver equalizer circuitry having wide data rate and input common mode voltage rangesRAMAN SANGEETA·Filed 2009·Granted Jul 17, 2012·18 cites·24 claims
- 4487US7724079B1Programmable logic enabled dynamic offset cancellationALTERA CORP·Filed 2007·Granted May 25, 2010·13 cites·18 claims
- 4587US7492188B2Interconnection and input/output resources for programmable logic integrated circuit devicesALTERA CORP·Filed 2007·Granted Feb 17, 2009·9 cites·22 claims
- 4687US6888370B1Dynamically adjustable termination impedance control techniquesALTERA CORP·Filed 2003·Granted May 3, 2005·42 cites·20 claims
- 4787US6864704B1Adjustable differential input and output driversALTERA CORP·Filed 2003·Granted Mar 8, 2005·43 cites·24 claims
- 4887US6549032B1Integrated circuit devices with power supply detection circuitryALTERA CORP·Filed 2001·Granted Apr 15, 2003·34 cites·31 claims
- 4986US9608728B1Integrated circuit device with field programmable optical arrayALTERA CORP·Filed 2014·Granted Mar 28, 2017·7 cites·25 claims
- 5086US8626474B2Simulation tool for high-speed communications linksLI PENG·Filed 2010·Granted Jan 7, 2014·8 cites·15 claims
Showing the top 50 of 217 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →