Inventor · disambiguated record
Young-Kai Chen
Also filed as: CHEN YOUNG K · CHEN YOUNG-KAI
73 granted patents·25 pending applications·1,278 citations·filing 1985–2025
99Inventor score
Files withALCATEL LUCENT USA INC24LUCENT TECHNOLOGIES INC20II VI DELAWARE INC12CHEN YOUNG-KAI11AT & T BELL LAB6
Top patents by PatentIndex Score
98 records- 0198US9459177B1Wafer-level testing of optical circuit devicesALCATEL LUCENT USA INC·Filed 2015·Granted Oct 4, 2016·39 cites·25 claims
- 0296US7747177B2Coherent phase-shift-keyingALCATEL LUCENT USA INC·Filed 2005·Granted Jun 29, 2010·44 cites·17 claims
- 0395US8326100B2Low loss broadband fiber coupler to optical waveguideCHEN LONG·Filed 2010·Granted Dec 4, 2012·36 cites·20 claims
- 0495US7403711B2Optical digital-to-analog converter and method of optically converting digital data to analog formLUCENT TECHNOLOGIES INC·Filed 2005·Granted Jul 22, 2008·25 cites·20 claims
- 0595US5724005ALinear power amplifier with automatic gate/base bias control for optimum efficiencyLUCENT TECHNOLOGIES INC·Filed 1996·Granted Mar 3, 1998·129 cites·11 claims
- 0692US9048950B2Multiple-input method and apparatus of free-space optical communicationCHEN YOUNG-KAI·Filed 2010·Granted Jun 2, 2015·16 cites·20 claims
- 0791US9817297B1Reconfigurable athermal optical filtersALCATEL LUCENT USA INC·Filed 2016·Granted Nov 14, 2017·5 cites·18 claims
- 0891US8515217B2Vertical optically emitting photonic devices with electronic steering capabilityBERNASCONI PIETRO A G·Filed 2009·Granted Aug 20, 2013·20 cites·16 claims
- 0991US8073345B2Frequency estimation in an intradyne optical receiverCHEN YOUNG-KAI·Filed 2006·Granted Dec 6, 2011·23 cites·15 claims
- 1089US5832365ACommunication system comprising an active-antenna repeaterLUCENT TECHNOLOGIES INC·Filed 1996·Granted Nov 3, 1998·116 cites·5 claims
- 1188US8164819B2Photonic technique for generating arbitrary waveformsTU KUN-YII·Filed 2010·Granted Apr 24, 2012·11 cites·8 claims
- 1288US6154093AFast adaptive wideband power amplifier feed forward linearizer using a RLS parameter tracking algorithmLUCENT TECHNOLOGIES INC·Filed 1998·Granted Nov 28, 2000·71 cites·17 claims
- 1388US4638190ADigitally controlled wideband phase shifterGEN ELECTRIC·Filed 1985·Granted Jan 20, 1987·53 cites·31 claims
- 1487US7548668B2Programmable optical arrayALCATEL LUCENT USA INC·Filed 2007·Granted Jun 16, 2009·10 cites·20 claims
- 1587US7061414B2Optical digital-to-analog converterLUCENT TECHNOLOGIES INC·Filed 2004·Granted Jun 13, 2006·33 cites·20 claims
- 1686US9564968B2Multiple-input method and apparatus of free-space optical communicationLGS Innovations LLC·Filed 2015·Granted Feb 7, 2017·5 cites·20 claims
- 1785US8295712B2Optical device and method for optical frequency modulation to optical amplitude modulation conversionCHEN YOUNG KAI·Filed 2009·Granted Oct 23, 2012·11 cites·21 claims
- 1884US10295741B2Single mode grating coupler with vertical coupling direction and small back reflectionNOKIA SOLUTIONS & NETWORKS OY·Filed 2017·Granted May 21, 2019·4 cites·14 claims
- 1984US9164300B2Reconfigurable optical networksALCATEL LUCENT USA INC·Filed 2013·Granted Oct 20, 2015·7 cites·16 claims
- 2084US7471855B2Monlithically coupled waveguide and phototransistorALCATEL LUCENT USA INC·Filed 2005·Granted Dec 30, 2008·13 cites·14 claims
- 2184US5208183AMethod of making a semiconductor laserAT & T BELL LAB·Filed 1991·Granted May 4, 1993·48 cites·6 claims
- 2283US7688872B2Self-Calibrating integrated photonic circuit and method of control thereofALCATEL LUCENT USA INC·Filed 2008·Granted Mar 30, 2010·7 cites·20 claims
- 2382US10284303B2Feedforward decision-free pilot-aided phase noise estimation for coherent optical M-QAM systemsALCATEL LUCENT USA INC·Filed 2017·Granted May 7, 2019·4 cites·23 claims
- 2482US7956788B2Technique for photonic analog-to-digital signal conversionALCATEL LUCENT USA INC·Filed 2009·Granted Jun 7, 2011·14 cites·20 claims
- 2582US6538486B1Latch chain having improved sensitivityLUCENT TECHNOLOGIES INC·Filed 2000·Granted Mar 25, 2003·31 cites·6 claims
- 2681US8224134B2Optoelectronic receiverBAEYENS YVES·Filed 2009·Granted Jul 17, 2012·9 cites·15 claims
- 2778US8014676B2CMOS-compatible tunable microwave photonic band-stop filterALCATEL LUCENT·Filed 2008·Granted Sep 6, 2011·7 cites·20 claims
- 2878US7146109B2Analog modulation of optical signalsLUCENT TECHNOLOGIES INC·Filed 2002·Granted Dec 5, 2006·19 cites·20 claims
- 2977US7496298B2Adaptive optical equalization for chromatic and/or polarization mode dispersion compensation and joint opto-electronic equalizer architectureALCATEL LUCENT USA INC·Filed 2004·Granted Feb 24, 2009·15 cites·26 claims
- 3076US7876155B2Transimpedance amplifier with distributed control of feedback lineALCATEL LUCENT USA INC·Filed 2009·Granted Jan 25, 2011·9 cites·17 claims
- 3176US7873284B2Quadrature amplitude modulation of optical carriersALCATEL LUCENT USA INC·Filed 2004·Granted Jan 18, 2011·16 cites·16 claims
- 3276US7650084B2Optical heterodyne receiver and method of extracting data from a phase-modulated input optical signalALCATEL LUCENT USA INC·Filed 2005·Granted Jan 19, 2010·6 cites·20 claims
- 3376US6016374AOptical fiber communications system with adaptive data equalizerLUCENT TECHNOLOGIES INC·Filed 1997·Granted Jan 18, 2000·52 cites·6 claims
- 3475US8238017B2Photonic match filterTU KUN-YII·Filed 2009·Granted Aug 7, 2012·5 cites·21 claims
- 3575US7292792B2High speed modulation of optical subcarriersLUCENT TECHNOLOGIES INC·Filed 2003·Granted Nov 6, 2007·20 cites·20 claims
- 3674US8903238B2Ultra dense WDM with agile and flexible DSP add-dropPFAU TIMO J·Filed 2012·Granted Dec 2, 2014·3 cites·21 claims
- 3774US8081050B2Multilayer planar tunable filterKANEDA NORIAKI·Filed 2009·Granted Dec 20, 2011·5 cites·24 claims
- 3874US5088099AApparatus comprising a laser adapted for emission of single mode radiation having low transverse divergenceAT & T BELL LAB·Filed 1990·Granted Feb 11, 1992·32 cites·9 claims
- 3973US10096971B2Hybrid semiconductor lasersALCATEL LUCENT USA INC·Filed 2014·Granted Oct 9, 2018·2 cites·23 claims
- 4071US8055141B2Balanced optical signal processorALCATEL LUCENT·Filed 2007·Granted Nov 8, 2011·4 cites·21 claims
- 4171US4734751ASignal scaling MESFET of a segmented dual gate designGEN ELECTRIC·Filed 1985·Granted Mar 29, 1988·30 cites·2 claims
- 4271US2025037675A1Display system with optical deviceII VI DELAWARE INC·Filed 2024·Application pending·0 cites
- 4370US7929864B2Optical beamforming transmitterALCATEL LUCENT USA INC·Filed 2006·Granted Apr 19, 2011·6 cites·20 claims
- 4468US4661801ADecoder for three level coded dataGEN ELECTRIC·Filed 1985·Granted Apr 28, 1987·24 cites·12 claims
- 4567US10841036B2System and method for polarization multiplexed optical communicationsNOKIA AMERICA CORP·Filed 2017·Granted Nov 17, 2020·1 cites·8 claims
- 4667US2024022043A1Lasers with a composite cavity of two semiconductorsII VI DELAWARE INC·Filed 2023·Application pending·0 cites
- 4765US12118951B2Display system with optical deviceII VI DELAWARE INC·Filed 2023·Granted Oct 15, 2024·0 cites·20 claims
- 4865US7595249B2Bipolar transistors with vertical structuresALCATEL LUCENT USA INC·Filed 2008·Granted Sep 29, 2009·2 cites·10 claims
- 4965US6208846B1Method and apparatus for enhancing transmitter circuit efficiency of mobile radio units by selectable switching of power amplifierLUCENT TECHNOLOGIES INC·Filed 1997·Granted Mar 27, 2001·50 cites·8 claims
- 5065US6144710AJoint maximum likelihood sequence estimator with dynamic channel descriptionLUCENT TECHNOLOGIES INC·Filed 1998·Granted Nov 7, 2000·56 cites·12 claims
Showing the top 50 of 98 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →