Inventor · disambiguated record
Rafik O. Loutfy
Also filed as: HSIAO CHENG-KUO · LOUTFY RAFIK O
32 granted patents·1,565 citations·filing 1978–2005
98Inventor score
Files withXEROX CORP32
Top patents by PatentIndex Score
32 records- 0199US4587189APhotoconductive imaging members with perylene pigment compositionsXEROX CORP·Filed 1985·Granted May 6, 1986·560 cites·24 claims
- 0299US4555463APhotoresponsive imaging members with chloroindium phthalocyanine compositionsXEROX CORP·Filed 1984·Granted Nov 26, 1985·180 cites·27 claims
- 0398US4801517APolyarylamine compounds and systems utilizing polyarylamine compoundsXEROX CORP·Filed 1987·Granted Jan 31, 1989·131 cites·13 claims
- 0496US4514482APhotoconductive devices containing perylene dye compositionsXEROX CORP·Filed 1984·Granted Apr 30, 1985·34 cites·26 claims
- 0593US4937164AThionated perylene photoconductive imaging members for electrophotographyXEROX CORP·Filed 1989·Granted Jun 26, 1990·37 cites·30 claims
- 0693US4618551APhotoresponsive imaging members with polysilylenes hole transporting compositionsXEROX CORP·Filed 1985·Granted Oct 21, 1986·43 cites·21 claims
- 0792US5030532AElectrophotographic imaging member utilizing polyarylamine polymersXEROX CORP·Filed 1990·Granted Jul 9, 1991·50 cites·20 claims
- 0892US4882254APhotoconductive imaging members with mixtures of photogenerator pigment compositionsXEROX CORP·Filed 1988·Granted Nov 21, 1989·42 cites·36 claims
- 0992US4559287AStabilized photoresponsive devices containing electron transporting layersXEROX CORP·Filed 1984·Granted Dec 17, 1985·37 cites·17 claims
- 1090US7491989B2Positive charging photoreceptorXEROX CORP·Filed 2005·Granted Feb 17, 2009·11 cites·18 claims
- 1188US4952472AIndigoid photoconductor imaging membersXEROX CORP·Filed 1988·Granted Aug 28, 1990·31 cites·33 claims
- 1287US4175981APhotovoltaic cell comprising metal-free phthalocyanineXEROX CORP·Filed 1978·Granted Nov 27, 1979·37 cites·30 claims
- 1385US5728747AStable free radical polymerization processes and compositions thereofXEROX CORP·Filed 1996·Granted Mar 17, 1998·47 cites·37 claims
- 1485US4925760APyranthrone photoconductor imaging membersXEROX CORP·Filed 1988·Granted May 15, 1990·27 cites·35 claims
- 1585US4175982APhotovoltaic cellXEROX CORP·Filed 1978·Granted Nov 27, 1979·31 cites·25 claims
- 1684US5225307AProcesses for the preparation of photogenerating compositionsXEROX CORP·Filed 1992·Granted Jul 6, 1993·29 cites·21 claims
- 1783US4711833APowder coating process for seamless substratesXEROX CORP·Filed 1986·Granted Dec 8, 1987·46 cites·58 claims
- 1878US4808506APhotoconductive imaging members with imidazole perinonesXEROX CORP·Filed 1987·Granted Feb 28, 1989·13 cites·30 claims
- 1976US7232633B2Imaging member having inorganic material filler surface grafted with charge transport moietyXEROX CORP·Filed 2004·Granted Jun 19, 2007·14 cites·23 claims
- 2076US5215838AInfrared or red light sensitive migration imaging memberXEROX CORP·Filed 1991·Granted Jun 1, 1993·23 cites·46 claims
- 2175US5155200APolyarylamine polymersXEROX CORP·Filed 1990·Granted Oct 13, 1992·21 cites·7 claims
- 2269US4916470AImage bar with electrochromic switching systemXEROX CORP·Filed 1988·Granted Apr 10, 1990·27 cites·36 claims
- 2367US7560161B2Inorganic material surface grafted with charge transport moietyXEROX CORP·Filed 2004·Granted Jul 14, 2009·11 cites·11 claims
- 2467US4853307AImaging member containing a copolymer of styrene and ethyl acrylateXEROX CORP·Filed 1988·Granted Aug 1, 1989·14 cites·22 claims
- 2566US5102756ACamera speed printing plate with in situ maskXEROX CORP·Filed 1990·Granted Apr 7, 1992·16 cites·15 claims
- 2660US6124409AProcesses for preparing copolymersXEROX CORP·Filed 1992·Granted Sep 26, 2000·13 cites·22 claims
- 2755US4970130AXeroprinting process with improved contrast potentialXEROX CORP·Filed 1989·Granted Nov 13, 1990·9 cites·20 claims
- 2855US4746756APhotoconductive imaging members with novel fluorinated squaraine compoundsXEROX CORP·Filed 1986·Granted May 24, 1988·9 cites·7 claims
- 2952US4621038APhotoconductive imaging members with novel symmetrical fluorinated squaraine compoundsXEROX CORP·Filed 1985·Granted Nov 4, 1986·8 cites·40 claims
- 3046US4952471AQuinacridone photoconductor imaging membersXEROX CORP·Filed 1988·Granted Aug 28, 1990·6 cites·29 claims
- 3142US4432841APreparation of chalcogenide alloys by electrochemical coreduction of estersXEROX CORP·Filed 1983·Granted Feb 21, 1984·4 cites·21 claims
- 3241US4448646AProcess for preparation of high purity metals by the electrochemical reduction of chalcogenide estersXEROX CORP·Filed 1983·Granted May 15, 1984·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →