Inventor · disambiguated record
Richard Henry Friend
Also filed as: FRIEND RICHARD · FRIEND RICHARD H · FRIEND RICHARD HENRY
78 granted patents·15 pending applications·8,380 citations·filing 1984–2021
99Inventor score
Files withCAMBRIDGE DISPLAY TECH LTD39CAMBRIDGE ENTPR LTD11UNIV CAMBRIDGE TECH7PLASTIC LOGIC LTD5BRITISH PETROLEUM CO PLC3
Top patents by PatentIndex Score
93 records- 0199US5399502AMethod of manufacturing of electrolumineschent devicesCAMBRIDGE DISPLAY TECH LTD·Filed 1993·Granted Mar 21, 1995·895 cites·22 claims
- 0299US5328809APatterning of semiconductive polymersCAMBRIDGE DISPLAY TECH LTD·Filed 1991·Granted Jul 12, 1994·124 cites·25 claims
- 0398US6723394B1Aligned polymers for an organic TFTUNIV CAMBRIDGE TECH·Filed 2000·Granted Apr 20, 2004·168 cites·49 claims
- 0498US6608323B2n-type thiophene semiconductorsUNIV NORTHWESTERN·Filed 2001·Granted Aug 19, 2003·93 cites·32 claims
- 0598US6518700B1Organic light-emitting devicesCAMBRIDGE DISPLAY TECH LTD·Filed 2000·Granted Feb 11, 2003·193 cites·23 claims
- 0698US5672678ASemiconductive copolymers for use in luminescent devicesCAMBRIDGE DISPLAY TECH LTD·Filed 1995·Granted Sep 30, 1997·176 cites·18 claims
- 0798US5401827ASemiconductive copolymers for use in luminescent devicesCAMBRIDGE DISPLAY TECH LTD·Filed 1991·Granted Mar 28, 1995·210 cites·49 claims
- 0897US6603139B1Polymer devicesCAMBRIDGE DISPLAY TECH LTD·Filed 1999·Granted Aug 5, 2003·157 cites·87 claims
- 0997US6429601B1Electroluminescent devicesCAMBRIDGE DISPLAY TECH LTD·Filed 2000·Granted Aug 6, 2002·179 cites·19 claims
- 1097US5512654ASemiconductive copolymers for use in luminescent devicesCAMBRIDGE DISPLAY TECH LTD·Filed 1994·Granted Apr 30, 1996·148 cites·48 claims
- 1197US5247190AElectroluminescent devicesCAMBRIDGE RES & INNOVATION·Filed 1990·Granted Sep 21, 1993·3.5k cites·14 claims
- 1295US6897473B1Electroluminescent devicesCAMBRIDGE DISPLAY TECH LTD·Filed 1999·Granted May 24, 2005·63 cites·24 claims
- 1395US5821690AElectroluminescent devices having a light-emitting layerCAMBRIDGE DISPLAY TECH LTD·Filed 1994·Granted Oct 13, 1998·207 cites·28 claims
- 1495US5807627AElectroluminescent devicesCAMBRIDGE DISPLAY TECHNOLOGIES·Filed 1993·Granted Sep 15, 1998·248 cites·20 claims
- 1595US5653914AElectroluminescent device comprising a chromophoric polymeric compositionCAMBRIDGE DISPLAY TECH LTD·Filed 1993·Granted Aug 5, 1997·193 cites·8 claims
- 1693US6905906B2Solution processed devicesPLASTIC LOGIC LTD·Filed 2002·Granted Jun 14, 2005·61 cites·73 claims
- 1793US5747182AManufacture of electroluminescent devicesCAMBRIDGE DISPLAY TECH LTD·Filed 1993·Granted May 5, 1998·123 cites·21 claims
- 1893US4923288AOptical modulators based on polymersBRITISH PETROLEUM CO PLC·Filed 1988·Granted May 8, 1990·137 cites·22 claims
- 1992US7176040B2Inkjet-fabricated integrated circuitsPLASTIC LOGIC LTD·Filed 2002·Granted Feb 13, 2007·54 cites·26 claims
- 2092US6559256B2Polymers for use in optical devicesCAMBRIDGE DISPLAY TECH LTD·Filed 2000·Granted May 6, 2003·34 cites·6 claims
- 2191US7227180B2Electroluminescent devicesCAMBRIDGE DISPLAY TECH LTD·Filed 2005·Granted Jun 5, 2007·8 cites·18 claims
- 2290US7187355B2Display device, method of driving a display device, electronic apparatusSEIKO EPSON CORP·Filed 2001·Granted Mar 6, 2007·44 cites·20 claims
- 2390US6498049B1Display devicesCAMBRIDGE DISPLAY TECHNOLOGY·Filed 2000·Granted Dec 24, 2002·91 cites·21 claims
- 2490US5523555APhotodetector device having a semiconductive conjugated polymerCAMBRIDGE DISPLAY TECHNOLOGY·Filed 1994·Granted Jun 4, 1996·103 cites·20 claims
- 2590US5514878APolymers for electroluminescent devicesFiled 1994·Granted May 7, 1996·139 cites·39 claims
- 2689US7078251B2Electroluminescent devicesCAMBRIDGE DISPLAY TECH LTD·Filed 2003·Granted Jul 18, 2006·19 cites·10 claims
- 2788US6808972B2Method of processing solution on a substratePLASTIC LOGIC LTD·Filed 2002·Granted Oct 26, 2004·43 cites·52 claims
- 2888US6670213B2Method of preparing photoresponsive devices, and devices made therebyCAMBRIDGE DISPLAY TECH LTD·Filed 2001·Granted Dec 30, 2003·46 cites·25 claims
- 2987US7279524B2Method for doping a polymerCAMBRIDGE DISPLAY TECH LTD·Filed 2006·Granted Oct 9, 2007·10 cites·13 claims
- 3085US7571529B2Method for forming an electronic device in multi-layer structureUNIV CAMBRIDGE TECH·Filed 2001·Granted Aug 11, 2009·35 cites·58 claims
- 3184US7638793B2N-channel transistorCAMBRIDGE ENTPR LTD·Filed 2005·Granted Dec 29, 2009·8 cites·21 claims
- 3284US7393704B2Electroluminescent devicesCAMBRIDGE DISPLAY TECH LTD·Filed 2005·Granted Jul 1, 2008·3 cites·10 claims
- 3383US10950761B2Matrix-incorporated organic-inorganic metal halide perovskite nano-particles as luminescent materialCAMBRIDGE ENTPR LTD·Filed 2016·Granted Mar 16, 2021·2 cites·20 claims
- 3481US6723811B1Polymers for use in optical deviceCAMBRIDGE DISPLAY TECH LTD·Filed 2000·Granted Apr 20, 2004·12 cites·14 claims
- 3580US8067265B2Electric devices and methods of manufaturing the sameZHENG ZI-JIAN·Filed 2007·Granted Nov 29, 2011·11 cites·55 claims
- 3680US7795802B2Polymers for use in optical devicesCAMBRIDGE DISPLAY TECH LTD·Filed 2005·Granted Sep 14, 2010·3 cites·7 claims
- 3780US7449714B2Electroluminescent devicesCAMBRIDGE DISPLAY TECH LTD·Filed 2006·Granted Nov 11, 2008·2 cites·14 claims
- 3880US6835803B1Method for doping a polymerCAMBRIDGE DISPLAY TECH LTD·Filed 2000·Granted Dec 28, 2004·22 cites·37 claims
- 3979US7307277B2Organic field effect transistorsUNIV CAMBRIDGE TECH·Filed 2004·Granted Dec 11, 2007·30 cites·33 claims
- 4079US6919415B2Polymers for use in optical devicesCAMBRIDGE DISPLAY TECH LTD·Filed 2003·Granted Jul 19, 2005·10 cites·28 claims
- 4179US6580212B2Display device with improved contrastCAMBRIDGE DISPLAY TECH LTD·Filed 1998·Granted Jun 17, 2003·124 cites·9 claims
- 4278US6777706B1Optical devicesCAMBRIDGE DISPLAY TECHNOLOGIES·Filed 1999·Granted Aug 17, 2004·77 cites·28 claims
- 4378US5670791APhotoresponsive device with a photoresponsive zone comprising a polymer blendPHILIPS CORP·Filed 1995·Granted Sep 23, 1997·127 cites·62 claims
- 4476US7365141B2Polymers for use in optical devicesCAMBRIDGE DISPLAY TECH LTD·Filed 2006·Granted Apr 29, 2008·2 cites·5 claims
- 4576US5969475ATuneable microcavitiesCAMBRIDGE DISPLAY TECH LTD·Filed 1997·Granted Oct 19, 1999·38 cites·23 claims
- 4674US7008999B2Method for doping a polymerCAMBRIDGE DISPLAY TECH LTD·Filed 2004·Granted Mar 7, 2006·8 cites·35 claims
- 4773US7105854B2Doping of source-drain contactsPLASTIC LOGIC LTD·Filed 2003·Granted Sep 12, 2006·15 cites·25 claims
- 4871US10636993B2Electroluminescent deviceCAMBRIDGE ENTPR LTD·Filed 2015·Granted Apr 28, 2020·2 cites·10 claims
- 4969US7635857B2Transistor having soluble layersPLASTIC LOGIC LTD·Filed 2005·Granted Dec 22, 2009·2 cites·9 claims
- 5067US9745252B2Cross-linking moietyHO PETER·Filed 2010·Granted Aug 29, 2017·1 cites·20 claims
Showing the top 50 of 93 patent records by PatentIndex Score.
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