Inventor · disambiguated record
Keyvan Sayyah
Also filed as: SAYYAH KEYVAN · SAYYAH KEYVAN R
67 granted patents·3 pending applications·1,227 citations·filing 1989–2022
99Inventor score
Top patents by PatentIndex Score
70 records- 0199US9735885B1Chip-scale mid-IR scanning frequency modulated coherent ladar receiverHRL LAB LLC·Filed 2015·Granted Aug 15, 2017·46 cites·37 claims
- 0299US9310471B2Single chip scanning lidar and method of producing the sameHRL LAB LLC·Filed 2014·Granted Apr 12, 2016·135 cites·27 claims
- 0399US8750717B1Method and apparatus for waveform generationHRL LAB LLC·Filed 2013·Granted Jun 10, 2014·67 cites·25 claims
- 0498US11085998B2Photonic edge couplerGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Aug 10, 2021·9 cites·20 claims
- 0597US8908251B2Tunable optical metamaterialHRL LAB LLC·Filed 2013·Granted Dec 9, 2014·26 cites·14 claims
- 0696US11644544B2LiDAR device including a pseudo-random optical phased arrayGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted May 9, 2023·4 cites·18 claims
- 0796US10564263B2Chip-scale LIDAR with a single MEMS scanner in a compact optical packageGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Feb 18, 2020·13 cites·20 claims
- 0895US8554085B1Method and apparatus for waveform generationYAP DANIEL·Filed 2009·Granted Oct 8, 2013·17 cites·10 claims
- 0995US7650080B2Method and apparatus for waveform generationHRL LAB LLC·Filed 2004·Granted Jan 19, 2010·59 cites·64 claims
- 1095US6794221B2Method of placing elements into receptors in a substrateHRL LAB LLC·Filed 2001·Granted Sep 21, 2004·69 cites·12 claims
- 1195US6287891B1Method for transferring semiconductor device layers to different substratesHRL LAB LLC·Filed 2000·Granted Sep 11, 2001·81 cites·30 claims
- 1294US11500072B2Photonic circulator for a LiDAR deviceGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Nov 15, 2022·3 cites·19 claims
- 1394US9733544B2Tunable optical metamaterialHRL LABRORATORIES LLC·Filed 2014·Granted Aug 15, 2017·20 cites·16 claims
- 1494US6906309B2Injection-seeding of a multi-tone photonic oscillatorHRL LAB LLC·Filed 2002·Granted Jun 14, 2005·65 cites·18 claims
- 1594US6291266B1Method for fabricating large area flexible electronicsHRL LAB LLC·Filed 2000·Granted Sep 18, 2001·93 cites·21 claims
- 1693US7085499B2Agile RF-lightwave waveform synthesis and an optical multi-tone amplitude modulatorHRL LAB LLC·Filed 2002·Granted Aug 1, 2006·59 cites·47 claims
- 1792US10976414B2Heterogeneous integration of curved mirror structure for passive alignment in chip-scale lidarGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Apr 13, 2021·5 cites·19 claims
- 1892US10914821B2Calibration and alignment of coherent lidar systemGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Feb 9, 2021·5 cites·20 claims
- 1992US10914822B2Dual-laser chip-scale lidar for simultaneous range-doppler sensingGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Feb 9, 2021·5 cites·20 claims
- 2092US8615028B1Vertically integrated optical phased array with pseudo-random array architectureSAYYAH KEYVAN·Filed 2010·Granted Dec 24, 2013·31 cites·28 claims
- 2191US11067670B2Heterogeneously integrated chip-scale lidar systemGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Jul 20, 2021·4 cites·20 claims
- 2291US11002832B2Chip-scale LIDAR with a single 2D MEMS scannerGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted May 11, 2021·4 cites·20 claims
- 2390US11796644B2Apparatus and system for a LiDAR antennaGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted Oct 24, 2023·2 cites·19 claims
- 2490US10928519B2CW LIDAR wind velocity sensor for operation on a stratospheric vehicleHRL LAB LLC·Filed 2018·Granted Feb 23, 2021·4 cites·16 claims
- 2590US9972905B2Reconfigurable electromagnetic surface of pixelated metal patchesHRL LAB LLC·Filed 2015·Granted May 15, 2018·8 cites·29 claims
- 2690US7983562B1Dynamic coding for optical code-division multiple accessHRL LAB LLC·Filed 2005·Granted Jul 19, 2011·17 cites·28 claims
- 2790US7142348B2Conformal retro-modulator optical devicesHRL LAB LLC·Filed 2005·Granted Nov 28, 2006·12 cites·8 claims
- 2889US10615568B2Antireflection structure for integrated laser diode/photonic chip interfaceGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Apr 7, 2020·4 cites·10 claims
- 2989US8228582B1Optical retro-reflective apparatus with modulation capabilityPEPPER DAVID M·Filed 2010·Granted Jul 24, 2012·7 cites·16 claims
- 3089US6930020B2Method for fabricating large area flexible electronicsHRL LAB LLC·Filed 2003·Granted Aug 16, 2005·40 cites·21 claims
- 3187US9945731B1Optical detector for measuring respective phases of multiple beams apparatus and methodHRL LAB LLC·Filed 2015·Granted Apr 17, 2018·4 cites·40 claims
- 3287US7345804B1Dynamic optical tag communicator and system using corner cube modulating retroreflectorHRL LAB LLC·Filed 2006·Granted Mar 18, 2008·14 cites·16 claims
- 3387US6589811B2Method for transferring semiconductor device layers to different substratesHRL LAB LLC·Filed 2001·Granted Jul 8, 2003·59 cites·33 claims
- 3486US8274727B1Programmable optical labelYAP DANIEL·Filed 2007·Granted Sep 25, 2012·13 cites·18 claims
- 3585US6509812B2Continuously tunable MEMs-based phase shifterHRL LAB LLC·Filed 2001·Granted Jan 21, 2003·27 cites·30 claims
- 3684US10845550B1Input coupler for chip-scale laser receiver deviceBOEING CO·Filed 2019·Granted Nov 24, 2020·3 cites·20 claims
- 3783US8567677B1Optical identification system and methodYAP DANIEL·Filed 2007·Granted Oct 29, 2013·12 cites·17 claims
- 3882US11639988B2Photonic circulator for a LiDAR deviceGM GLOBAL TECH OPERATIONS LLC·Filed 2020·Granted May 2, 2023·1 cites·19 claims
- 3981US8755648B1Semiconductor-based plasmonic phase modulator and methodSAYYAH KEYVAN·Filed 2009·Granted Jun 17, 2014·5 cites·15 claims
- 4081US8067737B1Photonic detector, imaging system and method employing plasmonic resonance absorptionSAYYAH KEYVAN·Filed 2008·Granted Nov 29, 2011·8 cites·24 claims
- 4179US11226403B2Chip-scale coherent lidar with integrated high power laser diodeGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Jan 18, 2022·1 cites·19 claims
- 4279US9014521B1Semiconductor-based plasmonic phase modulator and methodSAYYAH KEYVAN·Filed 2014·Granted Apr 21, 2015·2 cites·12 claims
- 4379US7174064B2Optical channelizer utilizing resonant microsphere couplingHRL LAB LLC·Filed 2004·Granted Feb 6, 2007·15 cites·21 claims
- 4479US7020396B2Opto-electronic ultra-wideband signal waveform generator and radiatorHRL LAB LLC·Filed 2002·Granted Mar 28, 2006·24 cites·25 claims
- 4578US11092671B2Laser diode optical frequency modulation linearization algorithmGM GLOBAL TECH OPERATIONS LLC·Filed 2018·Granted Aug 17, 2021·1 cites·20 claims
- 4677US9941661B1System for maintaining the locking range of an injection locked laser array within range of the frequency of a master laserHRL LAB LLC·Filed 2015·Granted Apr 10, 2018·2 cites·26 claims
- 4777US6954302B2Conformal retro-modulator optical devicesHRL LAB LLC·Filed 2003·Granted Oct 11, 2005·14 cites·57 claims
- 4876US7292791B2Optical-to-wireless wdm converterHRL LAB LLC·Filed 2004·Granted Nov 6, 2007·12 cites·4 claims
- 4975US7471454B1Dynamic optical tag communicator and system using corner cube modulating retroreflectorHRL LAB LLC·Filed 2008·Granted Dec 30, 2008·3 cites·11 claims
- 5072US7856156B2Lithium niobate modulator having a doped semiconductor structure for the mitigation of DC bias driftBOEING CO·Filed 2008·Granted Dec 21, 2010·3 cites·21 claims
Showing the top 50 of 70 patent records by PatentIndex Score.
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