Inventor · disambiguated record
Robert W. Keys
Also filed as: KEYS ROBERT · KEYS ROBERT W · KEYS ROBERT WILLIAM
18 granted patents·2 pending applications·306 citations·filing 1998–2024
94Inventor score
Top patents by PatentIndex Score
20 records- 0195US11531165B2Systems, methods, and apparatus for optical transceiver with multiple switch state configurationsJUNIPER NETWORKS INC·Filed 2020·Granted Dec 20, 2022·4 cites·20 claims
- 0295US10866364B1Systems, methods, and apparatus for optical transceiver with multiple switch state configurationsJUNIPER NETWORKS INC·Filed 2019·Granted Dec 15, 2020·10 cites·20 claims
- 0392US6236499B1Highly scalable modular optical amplifier based subsystemNORTEL NETWORKS LTD·Filed 1999·Granted May 22, 2001·150 cites·30 claims
- 0478US6144486APump wavelength tuning of optical amplifiers and use of same in wavelength division multiplexed systemsCORNING INC·Filed 1998·Granted Nov 7, 2000·46 cites·69 claims
- 0576US10368149B2Methods and apparatus for a colorless directionless and super-channel contentionless (CDsC) optical network architectureJUNIPER NETWORKS INC·Filed 2017·Granted Jul 30, 2019·2 cites·16 claims
- 0675US11927807B2Systems, methods, and apparatus for optical transceiver with multiple switch state configurationsJUNIPER NETWORKS INC·Filed 2022·Granted Mar 12, 2024·0 cites·15 claims
- 0773US8542992B2System and method for mitigating polarization hole burningJONES KEVAN P·Filed 2010·Granted Sep 24, 2013·5 cites·14 claims
- 0871US8811822B2System and method for selection of ghost channels for mitigating polarization hole burningLECLAIR DENIS DANIEL·Filed 2010·Granted Aug 19, 2014·4 cites·13 claims
- 0967US6542233B1Method and apparatus for the measurement of erbium optical amplifiersNORTEL NETWORKS LTD·Filed 2000·Granted Apr 1, 2003·10 cites·12 claims
- 1064US6757098B2Highly scalable modular optical amplifier based subsystemNORTEL NETWORK LTD·Filed 2001·Granted Jun 29, 2004·8 cites·7 claims
- 1163US12348265B2Optimization of spectrum sharing in optical line systemsCIENA CORP·Filed 2023·Granted Jul 1, 2025·0 cites·20 claims
- 1262US8670664B2System and method for managing the selection of ghost channels for mitigating polarization hole burningLECLAIR DENIS DANIEL·Filed 2010·Granted Mar 11, 2014·2 cites·15 claims
- 1359US10979788B2Methods and apparatus for a colorless directionless and super-channel contentionless (CDSC) optical network architectureJUNIPER NETWORKS INC·Filed 2019·Granted Apr 13, 2021·0 cites·20 claims
- 1457US8090259B2System and method for optimizing the selection of ghost channels in mitigating polarization hole burningLECLAIR DENIS DANIEL·Filed 2010·Granted Jan 3, 2012·1 cites·25 claims
- 1556US8971706B2Link discovery, verification, and failure isolation in an optical communication systemGERSTEL ORNAN A·Filed 2002·Granted Mar 3, 2015·6 cites·8 claims
- 1654US2025106012A1Quantum key distribution in an optical network and quantum-secured optical channelsCIENA CORP·Filed 2024·Application pending·0 cites
- 1749US6275331B1Optical amplifiersNORTEL NETWORKS LTD·Filed 1999·Granted Aug 14, 2001·20 cites·4 claims
- 1849US6222668B1Fast loss of signal (LOS) detection for bidirectional optical amplifiersNORTEL NETWORKS LTD·Filed 1998·Granted Apr 24, 2001·22 cites·20 claims
- 1946US6751414B1Circuit and channel assignment plan for optical transmissionsNORTEL NETWORKS LTD·Filed 1998·Granted Jun 15, 2004·16 cites·24 claims
- 2040US2002196430A1Measuring optical signal power in an optical systemFiled 2001·Application pending·0 cites
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