Inventor · disambiguated record
Oleg Drapkin
Also filed as: DRAPKIN OLEG
44 granted patents·5 pending applications·983 citations·filing 1998–2018
98Inventor score
Top patents by PatentIndex Score
49 records- 0196US6532525B1Method and apparatus for accessing memoryATI TECHNOLOGIES INC·Filed 2000·Granted Mar 11, 2003·186 cites·35 claims
- 0293US6268744B1Three level pre-buffer voltage level shifting circuit and methodATI INT SRL·Filed 2000·Granted Jul 31, 2001·50 cites·14 claims
- 0392US6541996B1Dynamic impedance compensation circuit and methodATI INT SRL·Filed 1999·Granted Apr 1, 2003·104 cites·47 claims
- 0489US6429716B1Pre-buffer voltage level shifting circuit and methodATI INT SRL·Filed 1998·Granted Aug 6, 2002·55 cites·18 claims
- 0585US6502173B1System for accessing memory and method thereforeATI TECHNOLOGIES INC·Filed 2000·Granted Dec 31, 2002·44 cites·38 claims
- 0685US6130557AThree level pre-buffer voltage level shifting circuit and methodATI TECHNOLOGIES INC·Filed 1999·Granted Oct 10, 2000·41 cites·14 claims
- 0783US7345510B1Method and apparatus for generating a reference signal and generating a scaled output signal based on an input signalATI TECHNOLOGIES INC·Filed 2006·Granted Mar 18, 2008·11 cites·40 claims
- 0882US6362942B2Input stage protection circuit for a receiverATI INT SRL·Filed 1999·Granted Mar 26, 2002·41 cites·35 claims
- 0981US6833746B2Pre-buffer voltage level shifting circuit and methodATI INT SRL·Filed 2002·Granted Dec 21, 2004·20 cites·25 claims
- 1081US6459553B1Single gate oxide electrostatic discharge protection circuitATI INT SRL·Filed 1999·Granted Oct 1, 2002·48 cites·18 claims
- 1181US6400546B1I/O pad voltage protection circuit and methodATI INT SRL·Filed 1999·Granted Jun 4, 2002·39 cites·18 claims
- 1281US6160430APowerup sequence artificial voltage supply circuitATI INT SRL·Filed 1999·Granted Dec 12, 2000·38 cites·24 claims
- 1380US6642800B2Spurious-free fractional-N frequency synthesizer with multi-phase network circuitATI TECHNOLOGIES INC·Filed 2002·Granted Nov 4, 2003·28 cites·13 claims
- 1480US6553445B1Method and apparatus for reducing noise associated with switched outputsATI INT SRL·Filed 2000·Granted Apr 22, 2003·30 cites·32 claims
- 1577US8344760B2Input/output buffer circuitATI TECHNOLOGIES ULC·Filed 2009·Granted Jan 1, 2013·9 cites·23 claims
- 1676US6342996B1Single gate oxide high to low level converter circuit with overvoltage protectionATI INT SRL·Filed 1999·Granted Jan 29, 2002·29 cites·15 claims
- 1774US6665354B1Differential input receiver and method for reducing noiseATI INT SRL·Filed 1999·Granted Dec 16, 2003·26 cites·19 claims
- 1872US9347836B2Dynamic voltage reference for sampling delta based temperature sensorTEMKINE GRIGORI·Filed 2011·Granted May 24, 2016·5 cites·18 claims
- 1971US8238067B2Electrostatic discharge circuit and methodDRAPKIN OLEG·Filed 2008·Granted Aug 7, 2012·9 cites·17 claims
- 2070US7239198B1Single gate oxide differential receiver and methodATI INT SRL·Filed 1998·Granted Jul 3, 2007·23 cites·17 claims
- 2168US8014125B2Chip capacitorATI TECHNOLOGIES ULC·Filed 2007·Granted Sep 6, 2011·4 cites·25 claims
- 2267US6480051B2Voltage supply discriminator and methodATI INT SRL·Filed 2001·Granted Nov 12, 2002·10 cites·11 claims
- 2366US9424622B2Methods and apparatus for processing graphics data using multiple processing circuitsATI TECHNOLOGIES ULC·Filed 2013·Granted Aug 23, 2016·1 cites·9 claims
- 2465US7017070B1Apparatus for synchronization of double data rate signalingATI INT SRL·Filed 2000·Granted Mar 21, 2006·15 cites·6 claims
- 2565US5905621AVoltage scaling circuit for protecting an input node to a protected circuitATI TECHNOLOGIES·Filed 1998·Granted May 18, 1999·19 cites·10 claims
- 2664US6918047B1Apparatus for high data rate synchronous interface using a delay locked loop to synchronize a clock signal and a method thereofATI INT SRL·Filed 2000·Granted Jul 12, 2005·10 cites·20 claims
- 2762US6359485B1Differential input receiver and method for reducing noiseATI INT SRL·Filed 2000·Granted Mar 19, 2002·8 cites·6 claims
- 2859US9865030B2Methods and apparatus for processing graphics data using multiple processing circuitsATI TECHNOLOGIES ULC·Filed 2016·Granted Jan 9, 2018·0 cites·14 claims
- 2958US7106125B1Method and apparatus to optimize receiving signal reflectionATI INT SRL·Filed 2000·Granted Sep 12, 2006·6 cites·7 claims
- 3058US2019012760A1Methods and apparatus for processing graphics data using multiple processing circuitsATI TECHNOLOGIES ULC·Filed 2018·Application pending·0 cites
- 3156US9323274B2Self-calibrating digital bandgap voltage and current referenceATI TECHNOLOGIES ULC·Filed 2012·Granted Apr 26, 2016·1 cites·21 claims
- 3256US6373282B1Single gate oxide cascaded output buffer stage and methodATI INT SRL·Filed 1999·Granted Apr 16, 2002·17 cites·44 claims
- 3355US8290728B2Method and apparatus for integrated circuit temperature controlDRAPKIN OLEG·Filed 2008·Granted Oct 16, 2012·3 cites·20 claims
- 3451US7212592B2Digitally programmable gain control circuitATI TECHNOLOGIES INC·Filed 2002·Granted May 1, 2007·6 cites·10 claims
- 3551US6351182B1Circuit and method for providing a reference voltageATI INT SRL·Filed 1999·Granted Feb 26, 2002·11 cites·16 claims
- 3651US6133772ADifferential input receiver and method for reducing noiseATI INT SRL·Filed 1998·Granted Oct 17, 2000·9 cites·9 claims
- 3747US8570067B2Method and apparatus for controlling a communication signal by monitoring one or more voltage sourcesDRAPKIN OLEG·Filed 2007·Granted Oct 29, 2013·2 cites·22 claims
- 3847US7932785B2Phase lock loop with continuous calibration and method thereforATI TECHNOLOGIES ULC·Filed 2004·Granted Apr 26, 2011·5 cites·8 claims
- 3946US2006282604A1Methods and apparatus for processing graphics data using multiple processing circuitsATI TECHNOLOGIES INC·Filed 2005·Application pending·0 cites
- 4046US2009086865A1Differential Signal ComparatorATI TECHNOLOGIES INC·Filed 2007·Application pending·0 cites
- 4145US7710150B2Method and apparatus for generating a reference signal and generating a scaled output signal based on an input signalATI TECHNOLOGIES ULC·Filed 2008·Granted May 4, 2010·0 cites·20 claims
- 4245US7295828B2Differential signal comparatorATI TECHNOLOGIES INC·Filed 2004·Granted Nov 13, 2007·4 cites·15 claims
- 4344US6297683B1Voltage supply discriminator and methodATI INT SRL·Filed 1998·Granted Oct 2, 2001·13 cites·17 claims
- 4442US8618836B1Complementary metal oxide semiconductor (CMOS) bufferDRAPKIN OLEG·Filed 2012·Granted Dec 31, 2013·0 cites·18 claims
- 4541US6922079B1Output driver apparatus and method thereofATI TECHNOLOGIES INC·Filed 2000·Granted Jul 26, 2005·2 cites·33 claims
- 4638US8854120B2Auto-calibrating a voltage referenceTEMKINE GRIGORI·Filed 2012·Granted Oct 7, 2014·0 cites·26 claims
- 4735US2013144549A1Method for calibrating temperature sensors using reference voltagesTEMKINE GRIGORI·Filed 2011·Application pending·0 cites
- 4832US6215341B1Deceleration circuitATI INT SRL·Filed 1999·Granted Apr 10, 2001·1 cites·15 claims
- 4932US2003151424A1Self-termination scheme in a double data rate synchronous dynamic random access memory deviceFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →