Inventor · disambiguated record
Leif J. Sandstrom
Also filed as: SANDSTROM LEIF · SANDSTROM LEIF J · SANDSTRÖM LEIF
21 granted patents·2 pending applications·140 citations·filing 2008–2019
94Inventor score
Top patents by PatentIndex Score
23 records- 0193US9143228B2Optical communication devices having optical time domain reflectometersSANDSTROM LEIF J·Filed 2013·Granted Sep 22, 2015·24 cites·16 claims
- 0292US8670667B1Access multiplexers and methods for multiplexing telecommunication signals using an arrayed media converterSANDSTROM LEIF J·Filed 2009·Granted Mar 11, 2014·21 cites·32 claims
- 0392US8606117B1Systems and methods for unobtrusively testing optical fibersTURNER MICHAEL D·Filed 2010·Granted Dec 10, 2013·19 cites·27 claims
- 0490US8582969B1Passive optical network (PON) having optical network unit (ONU) using feedback to detect rogue conditions and related methodSANDSTROM LEIF J·Filed 2010·Granted Nov 12, 2013·13 cites·20 claims
- 0590US8526824B1Correlation systems and methods with error compensationTURNER MICHAEL D·Filed 2011·Granted Sep 3, 2013·11 cites·22 claims
- 0688US8965209B2Systems and methods for extending optical network services across non-optical channelsGOODSON RICHARD·Filed 2011·Granted Feb 24, 2015·9 cites·11 claims
- 0783US10887012B1Systems and methods for tuning lasers using reflected optical signalsADTRAN INC·Filed 2019·Granted Jan 5, 2021·4 cites·19 claims
- 0883US9806807B1Automatic rogue ONU detectionADTRAN INC·Filed 2016·Granted Oct 31, 2017·5 cites·21 claims
- 0981US9350447B1Systems and methods for protecting optical networks from rogue optical network terminalsDETWILER THOMAS·Filed 2012·Granted May 24, 2016·9 cites·25 claims
- 1075US8160187B1Systems and methods for canceling crosstalk from digital multi-tone (DMT) signalsTURNER MICHAEL D·Filed 2008·Granted Apr 17, 2012·7 cites·18 claims
- 1173US9191102B2Systems and methods for reducing thermal tails on optical time domain reflectometer (OTDR) measurementsJOFFE DANIEL M·Filed 2013·Granted Nov 17, 2015·3 cites·21 claims
- 1272US8948604B1Field-tunable devices for optical communicationSANDSTROM LEIF J·Filed 2010·Granted Feb 3, 2015·3 cites·18 claims
- 1372US8718465B1Optical communications system having redundant electronic modules for optical transceivers using switch matrixSAHEBEKHTIARI VAHID·Filed 2011·Granted May 6, 2014·6 cites·6 claims
- 1471US9614616B2Optical time domain reflectometer systems and methods using wideband optical signals for suppressing beat noiseJOFFE DANIEL M·Filed 2013·Granted Apr 4, 2017·3 cites·25 claims
- 1564US9537573B2Systems and methods for extending optical network services across non-optical channelsGOODSON RICHARD·Filed 2015·Granted Jan 3, 2017·1 cites·20 claims
- 1663US9306674B1Field-tunable devices for optical communicationADTRAN INC·Filed 2014·Granted Apr 5, 2016·1 cites·15 claims
- 1755US9621295B1PON overlay on a legacy optical access networkADTRAN INC·Filed 2013·Granted Apr 11, 2017·1 cites·18 claims
- 1847US10202308B2Composite material, articles comprising same and method for making sameELEMENT SIX LTD·Filed 2014·Granted Feb 12, 2019·0 cites·18 claims
- 1947US2015212273A1Optical fiber adapter with embedded optical attenuatorADTRAN INC·Filed 2014·Application pending·0 cites
- 2043US10797467B2Tuning a multi-channel optical transmission systemADTRAN INC·Filed 2018·Granted Oct 6, 2020·0 cites·18 claims
- 2143US10505339B1Tuning an optical transmission systemADTRAN INC·Filed 2018·Granted Dec 10, 2019·0 cites·16 claims
- 2239US2014016938A1Temperature adjustable channel transmitter system including an injection-locked fabry-perot laserSANDSTROM LEIF J·Filed 2012·Application pending·0 cites
- 2334US8699872B1Optical communications system having redundant electronic modules for optical transceiverSAHEBEKHTIARI VAHID·Filed 2011·Granted Apr 15, 2014·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →