Inventor · disambiguated record
Ghulam Hasnain
Also filed as: HASNAIN GHULAM
43 granted patents·7 pending applications·861 citations·filing 1989–2023
98Inventor score
Top patents by PatentIndex Score
50 records- 0198US8350251B1Nanowire sized opto-electronic structure and method for manufacturing the sameGLO AB·Filed 2011·Granted Jan 8, 2013·62 cites·21 claims
- 0297US8668361B2LED-based replacement for fluorescent light sourceHASNAIN GHULAM·Filed 2010·Granted Mar 11, 2014·28 cites·17 claims
- 0397US8436549B2Drive circuit for a color temperature tunable LED light sourceHASNAIN GHULAM·Filed 2010·Granted May 7, 2013·55 cites·54 claims
- 0497US6526082B1P-contact for GaN-based semiconductors utilizing a reverse-biased tunnel junctionLUMILEDS LIGHTING LLC·Filed 2000·Granted Feb 25, 2003·93 cites·9 claims
- 0596US8207543B2Series connected segmented LEDHASNAIN GHULAM·Filed 2011·Granted Jun 26, 2012·15 cites·14 claims
- 0696US7956546B2Modular LED light bulbBRIDGELUX INC·Filed 2009·Granted Jun 7, 2011·77 cites·17 claims
- 0795US7939839B2Series connected segmented LEDBRIDGELUX INC·Filed 2008·Granted May 10, 2011·28 cites·6 claims
- 0894US9419183B2Nanowire sized opto-electronic structure and method for manufacturing the sameGLO AB·Filed 2014·Granted Aug 16, 2016·13 cites·18 claims
- 0994US7982409B2Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDsBRIDGELUX INC·Filed 2009·Granted Jul 19, 2011·22 cites·13 claims
- 1092US8338848B2LED structureHASNAIN GHULAM·Filed 2011·Granted Dec 25, 2012·8 cites·2 claims
- 1192US7345324B2Light emitting diodes with graded composition active regionsPHILIPS LUMILEDS LIGHTING CO·Filed 2005·Granted Mar 18, 2008·19 cites·15 claims
- 1292US5136603ASelf-monitoring semiconductor laser deviceAT & T BELL LAB·Filed 1991·Granted Aug 4, 1992·75 cites·7 claims
- 1391US9472593B2Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDsHASNAIN GHULAM·Filed 2011·Granted Oct 18, 2016·9 cites·14 claims
- 1490US8937295B2Nanowire sized opto-electronic structure and method for manufacturing the sameGLO AB·Filed 2012·Granted Jan 20, 2015·9 cites·18 claims
- 1589US8084775B2Light sources with serially connected LED segments including current blocking diodesHASNAIN GHULAM·Filed 2010·Granted Dec 27, 2011·6 cites·8 claims
- 1688US10132450B2LED-based replacement for fluorescent light sourceBRIDGELUX INC·Filed 2017·Granted Nov 20, 2018·4 cites·22 claims
- 1788US9599287B2LED-based replacement for fluorescent light sourceBRIDGELUX INC·Filed 2014·Granted Mar 21, 2017·5 cites·11 claims
- 1884US10551008B2LED-based replacement for fluorescent light sourceBRIDGELUX INC·Filed 2018·Granted Feb 4, 2020·2 cites·23 claims
- 1983US2024077177A1Led-based replacement for fluorescent light sourceBRIDGELUX INC·Filed 2023·Application pending·0 cites
- 2081US6955933B2Light emitting diodes with graded composition active regionsLUMILEDS LIGHTING LLC·Filed 2001·Granted Oct 18, 2005·31 cites·16 claims
- 2180US11846394B2LED-based replacement for fluorescent light sourceBRIDGELUX INC·Filed 2022·Granted Dec 19, 2023·0 cites·20 claims
- 2280US11428371B2LED-based replacement for fluorescent light sourceBRIDGELUX INC·Filed 2020·Granted Aug 30, 2022·1 cites·23 claims
- 2380US8035284B2Distributed LED-based light sourceBRIDGELUX INC·Filed 2010·Granted Oct 11, 2011·6 cites·6 claims
- 2479US10966300B2Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDsBRIDGELUX INC·Filed 2019·Granted Mar 30, 2021·1 cites·22 claims
- 2577US10334674B2Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDsBRIDGELUX INC·Filed 2018·Granted Jun 25, 2019·1 cites·14 claims
- 2677US9913333B2Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDsBRIDGELUX INC·Filed 2017·Granted Mar 6, 2018·1 cites·14 claims
- 2777US7915621B2Inverted LED structure with improved light extractionBRIDGELUX INC·Filed 2010·Granted Mar 29, 2011·2 cites·6 claims
- 2876US8026527B2LED structureBRIDGELUX INC·Filed 2007·Granted Sep 27, 2011·5 cites·10 claims
- 2976US5023685AQuantum-well radiation-interactive device, and methods of radiation detection and modulationBETHEA CLYDE G·Filed 1989·Granted Jun 11, 1991·50 cites·26 claims
- 3075US5892787AN-drive, p-common light-emitting devices fabricated on an n-type substrate and method of making sameHEWLETT PACKARD CO·Filed 1996·Granted Apr 6, 1999·63 cites·12 claims
- 3174US6680963B2Vertical-cavity surface emitting laser utilizing a reversed biased diode for improved current confinementLUX NET CORP·Filed 2001·Granted Jan 20, 2004·17 cites·13 claims
- 3274US2021280758A1Light sources utilizing segmented leds to compensate for manufacturing variations in the light output of individual segmented ledsBRIDGELUX INC·Filed 2021·Application pending·0 cites
- 3372US9634062B2Light sources utilizing segmented LEDs to compensate for manufacturing variations in the light output of individual segmented LEDsBRIDGELUX INC·Filed 2015·Granted Apr 25, 2017·1 cites·14 claims
- 3471US6853663B2Efficiency GaN-based light emitting devicesAGILENT TECHNOLOGIES INC·Filed 2001·Granted Feb 8, 2005·10 cites·10 claims
- 3571US5866936AMesa-structure avalanche photodiode having a buried epitaxial junctionHEWLETT PACKARD CO·Filed 1997·Granted Feb 2, 1999·41 cites·12 claims
- 3670US8324636B2Method and apparatus for manufacturing LED devices using laser scribingHAMAGUCHI NORIHITO·Filed 2010·Granted Dec 4, 2012·2 cites·20 claims
- 3768US6534331B2Method for making a vertical-cavity surface emitting laser with improved current confinementLUXNET CORP·Filed 2001·Granted Mar 18, 2003·20 cites·8 claims
- 3866US5610416AAvalanche photodiode with epitaxially regrown guard ringsHEWLETT PACKARD CO·Filed 1995·Granted Mar 11, 1997·29 cites·16 claims
- 3965USRE46155ESeries connected segmented LEDTOSHIBA KK·Filed 2014·Granted Sep 20, 2016·0 cites·34 claims
- 4064US8350485B2Modular LED light bulbBRIDGELUX INC·Filed 2011·Granted Jan 8, 2013·1 cites·18 claims
- 4162US7741134B2Inverted LED structure with improved light extractionBRIDGELUX INC·Filed 2008·Granted Jun 22, 2010·1 cites·3 claims
- 4260US4883770ASelective NIPI doping super lattice contacts and other semiconductor device structures formed by shadow masking fabricationHEWLETT PACKARD CO·Filed 1989·Granted Nov 28, 1989·29 cites·11 claims
- 4354US5843804AMethod of making avalanche photodiodes with epitaxially-regrown guard ringsHEWLETT PACKARD CO·Filed 1997·Granted Dec 1, 1998·16 cites·8 claims
- 4453US2012058584A1Multi-Junction LEDHASNAIN GHULAM·Filed 2011·Application pending·0 cites
- 4551US6553053B2Vertical cavity surface emitting laser having improved light output functionLUXNET CORP·Filed 2001·Granted Apr 22, 2003·3 cites·8 claims
- 4648US8455332B2Method and apparatus for manufacturing LED devices using laser scribingHAMAGUCHI NORIHITO·Filed 2009·Granted Jun 4, 2013·0 cites·19 claims
- 4746US2009321775A1LED with Reduced Electrode AreaHASNAIN GHULAM·Filed 2008·Application pending·0 cites
- 4845US2010046221A1LED Source Adapted for Light Bulbs and the LikePOSSELT JASON LOOMIS·Filed 2008·Application pending·0 cites
- 4941US2012038291A1Color temperature tunable led light sourceHASNAIN GHULAM·Filed 2010·Application pending·0 cites
- 5034US2003021318A1Vertical-cavity surface emitting laser utilizing a high resistivity buried implant for improved current confinementFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →