Inventor · disambiguated record
Poopathy Kathirgamanathan
Also filed as: KATHIRGAMANATHAN POOPATHY
32 granted patents·23 pending applications·283 citations·filing 1987–2019
96Inventor score
Files withKATHIRGAMANATHAN POOPATHY14MERCK PATENT GMBH11OLED T LTD6SOUTH BANK UNIV ENTPR LTD5ELAM T LTD4
Top patents by PatentIndex Score
55 records- 0192US7887933B2Electroluminescent materials and devicesMERCK PATENT GMBH·Filed 2007·Granted Feb 15, 2011·29 cites·39 claims
- 0284US5225110ACoated particulate metallic materialsCOOKSON GROUP PLC·Filed 1990·Granted Jul 6, 1993·52 cites·7 claims
- 0379US6524727B1Electroluminescent materialSOUTH BANK UNIVERSITY LTD·Filed 1999·Granted Feb 25, 2003·53 cites·13 claims
- 0472US8883325B2Electroluminescent device using azomethine-lithium-complex as electron injection layerKATHIRGAMANATHAN POOPATHY·Filed 2012·Granted Nov 11, 2014·2 cites·30 claims
- 0572US4937060ACoated inorganic materialsCOOKSON GROUP PLC·Filed 1988·Granted Jun 26, 1990·24 cites·5 claims
- 0671US6605317B1Method for forming films or layersSOUTH BANK UNIV ENTPR LTD·Filed 1999·Granted Aug 12, 2003·24 cites·13 claims
- 0770US10439147B2Heterocyclic compounds and their use in electro-optical or opto-electronic devicesPOWER OLEDS LTD·Filed 2015·Granted Oct 8, 2019·1 cites·14 claims
- 0868US8507896B2Compounds having electroluminescent or electron transport propertiesKATHIRGAMANATHAN POOPATHY·Filed 2009·Granted Aug 13, 2013·3 cites·16 claims
- 0967US7597926B2Electroluminescent quinolatesSOUTH BANK UNIV ENTPR LTD·Filed 2005·Granted Oct 6, 2009·2 cites·7 claims
- 1067US6441124B1PolymersNISSAN CHEMICAL IND LTD·Filed 2000·Granted Aug 27, 2002·7 cites·34 claims
- 1165US6717354B1Electroluminescent materialsSOUTH BANK UNIV ENTPR LTD·Filed 2000·Granted Apr 6, 2004·8 cites·20 claims
- 1262US7211334B2Electroluminescent materials and devicesOLED T LTD·Filed 2002·Granted May 1, 2007·7 cites·16 claims
- 1362US6153726ATransparent conducting polymersNISSAN CHEMICAL IND LTD·Filed 1998·Granted Nov 28, 2000·20 cites·37 claims
- 1461US9437828B2Electroluminescent device using azomethine-lithium-complex as electron injection layerMERCK PATENT GMBH·Filed 2014·Granted Sep 6, 2016·0 cites·6 claims
- 1559US4992559APolymerizable thiophene monomersCOOKSON GROUP PLC·Filed 1987·Granted Feb 12, 1991·20 cites·7 claims
- 1657US8012604B2Electroluminescent materials and devicesMERCK PATENT GMBH·Filed 2005·Granted Sep 6, 2011·7 cites·20 claims
- 1757US2019372011A1Heterocyclic compounds and their use in electro-optical or opto-electronic devicesPOWER OLEDS LTD·Filed 2019·Application pending·0 cites
- 1854US9221770B2Compounds having electron transport properties, their preparation and useKATHIRGAMANATHAN POOPATHY·Filed 2009·Granted Dec 29, 2015·1 cites·16 claims
- 1951US8642188B2Phenanthroline compounds and electroluminescent devices using the sameKATHIRGAMANATHAN POOPATHY·Filed 2007·Granted Feb 4, 2014·0 cites·34 claims
- 2051US7767315B2Document authentificationMERCK PATENT GMBH·Filed 2002·Granted Aug 3, 2010·2 cites·28 claims
- 2151US2010327264A1Electroluminescent device using azomethine-lithium-complex as electron injection layerMERCK PATNET GMBH·Filed 2007·Application pending·0 cites
- 2246US7183008B1Electroluminescent materialsSOUTH BANK UNIV ENTPR LTD·Filed 1999·Granted Feb 27, 2007·11 cites·22 claims
- 2345US7811676B2Electroluminescent materials and devicesMERCK PATENT GMBH·Filed 2003·Granted Oct 12, 2010·2 cites·24 claims
- 2445US7462404B2Electroluminescent boron complexesMERCK PATENT GMBH·Filed 2004·Granted Dec 9, 2008·1 cites·20 claims
- 2544US2007254183A1Electroluminescent materials and deivcesKATHIRGAMANATHAN POOPATHY·Filed 2005·Application pending·0 cites
- 2643US2010025671A1Electroluminescent devicesMERCK PATENT GMBH·Filed 2007·Application pending·0 cites
- 2742US7985492B2Electroluminescent materials and devicesMERCK PATENT GMBH·Filed 2005·Granted Jul 26, 2011·0 cites·32 claims
- 2842US2008160182A1Electroluminescent Materials and DevicesKATHIRGAMANATHAN POOPATHY·Filed 2006·Application pending·0 cites
- 2941US2008124569A1Electroluminescent ComplexesOLED T LTD·Filed 2005·Application pending·0 cites
- 3040US7354661B2Electroluminescent devicesOLED T LTD·Filed 2002·Granted Apr 8, 2008·0 cites·17 claims
- 3140US2009009062A1Electroluminescent DevicesKATHIRGAMANATHAN POOPATHY·Filed 2005·Application pending·0 cites
- 3240US2007252108A1Electroluminescent Materials and DevicesKATHIRGAMANATHAN POOPATHY·Filed 2005·Application pending·0 cites
- 3340US2007200096A1Doped lithium quinolateKATHIRGAMANATHAN POOPATHY·Filed 2007·Application pending·0 cites
- 3438US9252383B2Cathode coatingGANESHAMURUGAN SUBRAMANIAM·Filed 2007·Granted Feb 2, 2016·0 cites·25 claims
- 3538US7235311B2Electroluminescent devices incorporating mixed metal organic complexesOLED T LTD·Filed 2002·Granted Jun 26, 2007·2 cites·11 claims
- 3638US6835805B2PolymersNISSAN CHEMICAL IND LTD·Filed 2001·Granted Dec 28, 2004·0 cites·35 claims
- 3738US2005106412A1Doped lithium quinolateFiled 2002·Application pending·0 cites
- 3838US2006040130A1Electroluminescent deviceKATHIRGAMANATHAN POOPATHY·Filed 2003·Application pending·0 cites
- 3938US2005084605A1Method for forming electroluminescent devicesFiled 2003·Application pending·0 cites
- 4037US7927717B2Electroluminescent materials and devicesMERCK PATENT GMBH·Filed 2005·Granted Apr 19, 2011·0 cites·32 claims
- 4137US2009167158A1Electroluminescent DevicesKATHIRGAMANATHAN POOPATHY·Filed 2006·Application pending·0 cites
- 4236US2008265210A1Electroluminescent Materials and DevicesKATHIRGAMANATHAN POOPATHY·Filed 2006·Application pending·0 cites
- 4336US2006269778A1Electroluminescent materials and devicesELAM T LTD·Filed 2003·Application pending·0 cites
- 4436US2008199727A1Buffer LayerOLED T LTD·Filed 2005·Application pending·0 cites
- 4534US2004023061A1Electroluminescent deviceELAM T LTD·Filed 2003·Application pending·0 cites
- 4633US2003215669A1Electroluminescent deviceELAM T LTD·Filed 2003·Application pending·0 cites
- 4733US2008113215A1Electroluminescent Materials and DevicesKATHIRGAMANATHAN POOPATHY·Filed 2005·Application pending·0 cites
- 4832US6565995B1Electroluminescent materialsSOUTH BANK UNIV ENTPR LTD·Filed 1999·Granted May 20, 2003·4 cites·20 claims
- 4932US2019123283A1Heterocyclic compounds and their use in electro-optical or opto-electronic devicesPOWER OLEDS LTD·Filed 2016·Application pending·0 cites
- 5032US2008138654A1Electroluminescent Materials and DevicesOLED T LIMTED·Filed 2005·Application pending·0 cites
Showing the top 50 of 55 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →