Inventor · disambiguated record
Thomas Duthel
Also filed as: DUTHEL THOMAS
15 granted patents·2 pending applications·92 citations·filing 2011–2024
90Inventor score
Top patents by PatentIndex Score
17 records- 0197US9991953B1Transmitter self-calibration of time delay and frequency response for high baud-rate QAM transceiversCISCO TECH INC·Filed 2017·Granted Jun 5, 2018·58 cites·20 claims
- 0289US9735888B2Control of LO signal frequency offset between optical transmitters and receiversCISCO TECH INC·Filed 2015·Granted Aug 15, 2017·13 cites·22 claims
- 0383US9935715B2Calibrating an apparatus supporting pluggable opticsCISCO TECH INC·Filed 2017·Granted Apr 3, 2018·4 cites·18 claims
- 0477US9735876B2Calibrating an apparatus supporting pluggable opticsCISCO TECH INC·Filed 2015·Granted Aug 15, 2017·3 cites·14 claims
- 0573US9337937B2Common mode rejection ratio control for coherent optical receiversCISCO TECH INC·Filed 2014·Granted May 10, 2016·3 cites·20 claims
- 0670US2024243812A1Systems and methods for optimization of transmission signal quality in point-to-multipoint networksINFINERA CORP·Filed 2023·Application pending·0 cites
- 0769US8948609B2Pre-distortion techniques for optical modulators to improve constellation point separationWHITEAWAY JAMES·Filed 2012·Granted Feb 3, 2015·4 cites·27 claims
- 0869US8638489B2Filter-less generation of coherent optical subcarriersDUTHEL THOMAS·Filed 2011·Granted Jan 28, 2014·3 cites·20 claims
- 0965US9935720B2Control of LO signal frequency offset between optical transmitters and receiversCISCO TECH INC·Filed 2017·Granted Apr 3, 2018·1 cites·20 claims
- 1064US9197327B2Optical communication transmitter systemGEYER JONAS·Filed 2012·Granted Nov 24, 2015·2 cites·20 claims
- 1158US11949498B2Optical modulatorCISCO TECH INC·Filed 2021·Granted Apr 2, 2024·0 cites·16 claims
- 1252US2025192893A1Digital signal processing for burst-mode coherent optical packet detectionINFINERA CORP·Filed 2024·Application pending·0 cites
- 1350US9136948B2Electrical modulator driver circuit for generating multi-level drive signals for QAM optical transmissionHAUENSCHILD JUERGEN·Filed 2011·Granted Sep 15, 2015·1 cites·29 claims
- 1447US9716555B2Common mode rejection ratio control for coherent optical receiversCISCO TECH INC·Filed 2016·Granted Jul 25, 2017·0 cites·20 claims
- 1547US9712247B2Low bit rate signaling with optical IQ modulatorsCISCO TECH INC·Filed 2013·Granted Jul 18, 2017·0 cites·20 claims
- 1645US11342999B2Method and apparatus for pre-distorting an input signal for an optical transmitterCISCO TECH INC·Filed 2020·Granted May 24, 2022·0 cites·15 claims
- 1741US9124363B2Digital frequency offset monitor for coherently detected optical superchannelsGEYER JONAS·Filed 2012·Granted Sep 1, 2015·0 cites·31 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →