Inventor · disambiguated record
Roger A. Hajjar
Also filed as: HAJJAR ROGER · HAJJAR ROGER A
90 granted patents·16 pending applications·1,661 citations·filing 1996–2024
99Inventor score
Top patents by PatentIndex Score
106 records- 0197US6501773B1Stabilization of a laser array moduleVERSATILE OPTICAL NETWORKS INC·Filed 2000·Granted Dec 31, 2002·107 cites·25 claims
- 0297US6243350B1Optical storage systems with flying optical heads for near-field recording and readingTERASTOR CORP·Filed 1997·Granted Jun 5, 2001·167 cites·347 claims
- 0396US8698713B2Display systems having screens with optical fluorescent materialsHAJJAR ROGER A·Filed 2010·Granted Apr 15, 2014·29 cites·20 claims
- 0496US7791561B2Display systems having screens with optical fluorescent materialsPRYSM INC·Filed 2006·Granted Sep 7, 2010·40 cites·29 claims
- 0595US8233217B2Multilayered fluorescent screens for scanning beam display systemsKINDLER DAVID·Filed 2011·Granted Jul 31, 2012·23 cites·17 claims
- 0695US8203785B2Multilayered fluorescent screens for scanning beam display systemsKINDLER DAVID·Filed 2011·Granted Jun 19, 2012·21 cites·28 claims
- 0795US8000005B2Multilayered fluorescent screens for scanning beam display systemsPRYSM INC·Filed 2006·Granted Aug 16, 2011·22 cites·27 claims
- 0895US7878657B2Servo feedback control based on invisible scanning servo beam in scanning beam display systems with light-emitting screensPRYSM INC·Filed 2007·Granted Feb 1, 2011·50 cites·20 claims
- 0995US7869112B2Beam scanning based on two-dimensional polygon scanner for display and other applicationsPRYSM INC·Filed 2008·Granted Jan 11, 2011·50 cites·20 claims
- 1095US7733310B2Display screens having optical fluorescent materialsPRYSM INC·Filed 2006·Granted Jun 8, 2010·38 cites·44 claims
- 1195US7474286B2Laser displays using UV-excitable phosphors emitting visible colored lightSPUDNIK INC·Filed 2005·Granted Jan 6, 2009·61 cites·37 claims
- 1295US6449221B1Storage media for optical storage systemsTERASTOR CORP·Filed 2000·Granted Sep 10, 2002·51 cites·58 claims
- 1394US7884816B2Correcting pyramidal error of polygon scanner in scanning beam display systemsPRYSM INC·Filed 2006·Granted Feb 8, 2011·18 cites·30 claims
- 1493US9469080B2Portable displayPRYSM INC·Filed 2013·Granted Oct 18, 2016·10 cites·20 claims
- 1593US8384625B2Servo-assisted scanning beam display systems using fluorescent screensPRYSM INC·Filed 2010·Granted Feb 26, 2013·10 cites·23 claims
- 1693US7994702B2Scanning beams displays based on light-emitting screens having phosphorsPRYSM INC·Filed 2006·Granted Aug 9, 2011·19 cites·26 claims
- 1793US6069853AHead including a heating element for reducing signal distortion in data storage systemsTERASTOR CORP·Filed 1999·Granted May 30, 2000·83 cites·63 claims
- 1892US9121577B2Displays having built-in moíre reduction structuresHAJJAR ROGER A·Filed 2012·Granted Sep 1, 2015·11 cites·32 claims
- 1992US8232957B2Laser displays using phosphor screens emitting visible colored lightHAJJAR ROGER A·Filed 2009·Granted Jul 31, 2012·12 cites·17 claims
- 2091US8038822B2Multilayered screens with light-emitting stripes for scanning beam display systemsPRYSM INC·Filed 2008·Granted Oct 18, 2011·30 cites·12 claims
- 2191US7697183B2Post-objective scanning beam systemsPRYSM INC·Filed 2007·Granted Apr 13, 2010·23 cites·23 claims
- 2291US6724694B2Disk mastering based on near-field optical systemsTERASTOR CORP·Filed 2002·Granted Apr 20, 2004·24 cites·10 claims
- 2390US8803772B2Display systems having screens with optical fluorescent materialsKENT DAVID L·Filed 2006·Granted Aug 12, 2014·15 cites·69 claims
- 2489US9041762B22-D straight-scan on imaging surface with a raster polygonBAI HANXIANG·Filed 2011·Granted May 26, 2015·25 cites·18 claims
- 2589US6507540B1Hybrid optical head for data storageTERASTOR CORP·Filed 2000·Granted Jan 14, 2003·31 cites·19 claims
- 2688US11128845B2Display system with multiple beam scannersPRYSM SYSTEMS INC·Filed 2019·Granted Sep 21, 2021·4 cites·10 claims
- 2788US6577575B2Head cleaning in Optical disk drivesTERASTOR CORP·Filed 2001·Granted Jun 10, 2003·20 cites·24 claims
- 2887US6344912B1Hybrid and scalable opto-electronic processing in a wavelength-division multiplexed systemVERSATILE OPTICAL NETWORKS·Filed 2000·Granted Feb 5, 2002·35 cites·34 claims
- 2987US6111840AReducing phase distortion in a near-field optical data storage systemTERASTOR CORP·Filed 1999·Granted Aug 29, 2000·42 cites·47 claims
- 3086US11532253B2Beam scanning engine and display system with multiple beam scannersPRYSM SYSTEMS INC·Filed 2020·Granted Dec 20, 2022·2 cites·19 claims
- 3186US11431945B2Display system with multiple beam scannersPRYSM SYSTEMS INC·Filed 2021·Granted Aug 30, 2022·1 cites·17 claims
- 3286US8169454B1Patterning a surface using pre-objective and post-objective raster scanning systemsHAJJAR ROGER A·Filed 2008·Granted May 1, 2012·8 cites·8 claims
- 3386US6580846B1Actively-controllable optical switches based on optical position sensing and applications in optical switching arraysVERSATILE OPTICAL NETWORKS INC·Filed 2000·Granted Jun 17, 2003·32 cites·29 claims
- 3486US6307832B1Optical storage system with head cleaning mechanism based on a position-controllable optical interfacing surface in an optical headTERASTOR CORP·Filed 1999·Granted Oct 23, 2001·39 cites·36 claims
- 3584US9998717B2Scanning beam display systemPRYSM INC·Filed 2014·Granted Jun 12, 2018·6 cites·18 claims
- 3684US9217862B2Local dimming on light-emitting screens for improved image uniformity in scanning beam display systemsHAJJAR ROGER A·Filed 2010·Granted Dec 22, 2015·5 cites·32 claims
- 3784US8556430B2Servo feedback control based on designated scanning servo beam in scanning beam display systems with light-emitting screensHAJJAR ROGER A·Filed 2009·Granted Oct 15, 2013·8 cites·10 claims
- 3884US5903537ADirect read during mark formation for laser power correctionEASTMAN KODAK CO·Filed 1997·Granted May 11, 1999·45 cites·21 claims
- 3984US5627808ACross-track tilt error compensation method for optical disc drivesEASTMAN KODAK CO·Filed 1996·Granted May 6, 1997·41 cites·8 claims
- 4083US8451195B2Servo-assisted scanning beam display systems using fluorescent screensHAJJAR ROGER A·Filed 2006·Granted May 28, 2013·5 cites·42 claims
- 4182US8593711B2Beam scanning systems based on two-dimensional polygon scannerBORCHERS BRUCE·Filed 2009·Granted Nov 26, 2013·6 cites·33 claims
- 4282US5963532APolarization rotation and phase compensation in near-field electro-optical systemTERASTOR CORP·Filed 1998·Granted Oct 5, 1999·31 cites·36 claims
- 4381US8830577B2Rollable display screenHAJJAR ROGER A·Filed 2012·Granted Sep 9, 2014·4 cites·19 claims
- 4481US6787745B2Fiber optic signal detector with two switchable input channelsAVANEX CORP·Filed 2002·Granted Sep 7, 2004·24 cites·20 claims
- 4580US9729837B2Local dimming on light-emitting screens for improved image uniformity in scanning beam display systemsPRYSM INC·Filed 2015·Granted Aug 8, 2017·2 cites·10 claims
- 4680US6839306B1Optical near-field second surface recordingTERASTAR CORP·Filed 2001·Granted Jan 4, 2005·15 cites·15 claims
- 4779US8013506B2Organic compounds for adjusting phosphor chromaticityPRYSM INC·Filed 2007·Granted Sep 6, 2011·7 cites·17 claims
- 4877US9532016B2Self aligning imager arrayPRYSM INC·Filed 2014·Granted Dec 27, 2016·2 cites·20 claims
- 4977US9525850B2Delivering and displaying advertisement or other application data to display systemsJAIN AMIT·Filed 2008·Granted Dec 20, 2016·5 cites·13 claims
- 5076US9607577B2Dynamic power and brightness control for a display screenHAJJAR ROGER·Filed 2011·Granted Mar 28, 2017·3 cites·34 claims
Showing the top 50 of 106 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →