Inventor · disambiguated record
John W. Spiewak
Also filed as: SPIEWAK JOHN · SPIEWAK JOHN W
57 granted patents·2,052 citations·filing 1973–2003
99Inventor score
Top patents by PatentIndex Score
57 records- 0199US4988597AConductive and blocking layers for electrophotographic imaging membersXEROX CORP·Filed 1989·Granted Jan 29, 1991·142 cites·20 claims
- 0299US4921769APhotoresponsive imaging members with polyurethane blocking layersXEROX CORP·Filed 1988·Granted May 1, 1990·243 cites·39 claims
- 0399US4806443APolyarylamine compounds and systems utilizing polyarylamine compoundsXEROX CORP·Filed 1987·Granted Feb 21, 1989·181 cites·11 claims
- 0498US5244762AElectrophotographic imaging member with blocking layer containing uncrosslinked chemically modified copolymerXEROX CORP·Filed 1992·Granted Sep 14, 1993·134 cites·20 claims
- 0598US4806444AArylamine polymers and systems utilizing arylamine polymersXEROX CORP·Filed 1987·Granted Feb 21, 1989·107 cites·12 claims
- 0698US4801517APolyarylamine compounds and systems utilizing polyarylamine compoundsXEROX CORP·Filed 1987·Granted Jan 31, 1989·131 cites·13 claims
- 0797US5385796AElectrophotographic imaging member having unmodified hydroxy methacrylate polymer charge blocking layerXEROX CORP·Filed 1992·Granted Jan 31, 1995·80 cites·23 claims
- 0896US6095801AFlexible torch assemblyFiled 1997·Granted Aug 1, 2000·126 cites·7 claims
- 0994US5336577ASingle layer photoreceptorXEROX CORP·Filed 1993·Granted Aug 9, 1994·66 cites·28 claims
- 1093US5063125AElectrically conductive layer for electrical devicesXEROX CORP·Filed 1989·Granted Nov 5, 1991·38 cites·20 claims
- 1191US5627002ALiquid developer compositions with cyclodextrinsXEROX CORP·Filed 1996·Granted May 6, 1997·50 cites·24 claims
- 1290US5459007ALiquid developer compositions with block copolymersXEROX CORP·Filed 1994·Granted Oct 17, 1995·39 cites·32 claims
- 1390US4557868AProcess for preparing a phthalocyanineXEROX CORP·Filed 1984·Granted Dec 10, 1985·29 cites·18 claims
- 1489US5441841ALiquid developer compositions with block copolymersXEROX CORP·Filed 1994·Granted Aug 15, 1995·37 cites·28 claims
- 1588US4935487ACarbonate-arylamine polymerXEROX CORP·Filed 1988·Granted Jun 19, 1990·35 cites·1 claims
- 1687US6002893AHigh and low pigment loadings for custom colorsXEROX CORP·Filed 1998·Granted Dec 14, 1999·43 cites·11 claims
- 1787US4747992AProcess for fabricating a beltSYPULA DONALD S·Filed 1986·Granted May 31, 1988·65 cites·17 claims
- 1885US6212347B1Imaging apparatuses and processes thereof containing a marking material with a charge acceptance additive of an aluminum complexXEROX CORP·Filed 2000·Granted Apr 3, 2001·25 cites·62 claims
- 1984US5063128AConductive and blocking layers for electrophotographic imaging membersXEROX CORP·Filed 1989·Granted Nov 5, 1991·28 cites·18 claims
- 2083US6180308B1Developer compositions and processesXEROX CORP·Filed 2000·Granted Jan 30, 2001·21 cites·54 claims
- 2182US5525449ALiquid developer compositions with alcoholXEROX CORP·Filed 1994·Granted Jun 11, 1996·25 cites·36 claims
- 2282US5397672ALiquid developer compositions with block copolymersXEROX CORP·Filed 1993·Granted Mar 14, 1995·25 cites·26 claims
- 2382US5149609APolymers for photoreceptor overcoating for use as protective layer against liquid xerographic ink interactionXEROX CORP·Filed 1990·Granted Sep 22, 1992·27 cites·19 claims
- 2481US6187499B1Imaging apparatusXEROX CORP·Filed 2000·Granted Feb 13, 2001·20 cites·63 claims
- 2581US5714297ALiquid developer compositions with rhodamineXEROX CORP·Filed 1997·Granted Feb 3, 1998·29 cites·20 claims
- 2677US5573882ALiquid developer compositions with charge director block copolymersXEROX CORP·Filed 1995·Granted Nov 12, 1996·24 cites·22 claims
- 2775US6218066B1Developer compositions and processesXEROX CORP·Filed 2000·Granted Apr 17, 2001·14 cites·43 claims
- 2875US5672456ALiquid developer compositionsXEROX CORP·Filed 1997·Granted Sep 30, 1997·23 cites·25 claims
- 2973US6187498B1Liquid developers and processes thereofXEROX CORP·Filed 2000·Granted Feb 13, 2001·11 cites·7 claims
- 3073US5411834ALiquid developer compositions with fluoroalkyl groupsXEROX CORP·Filed 1994·Granted May 2, 1995·19 cites·15 claims
- 3172US5525448ALiquid developer compositions with quaternized polyaminesXEROX CORP·Filed 1994·Granted Jun 11, 1996·17 cites·28 claims
- 3271US5409796ALiquid developer compositions with quaternized polyaminesXEROX CORP·Filed 1994·Granted Apr 25, 1995·17 cites·15 claims
- 3368US5028687AArylamine carbonate polymerXEROX CORP·Filed 1990·Granted Jul 2, 1991·16 cites·1 claims
- 3467US5525450ALiquid developer compositions with multiple block copolymersXEROX CORP·Filed 1995·Granted Jun 11, 1996·18 cites·21 claims
- 3562US5407775ALiquid developer compositions with block copolymersXEROX CORP·Filed 1994·Granted Apr 18, 1995·12 cites·25 claims
- 3660US5866292ALiquid developer compositions with copolymersXEROX CORP·Filed 1997·Granted Feb 2, 1999·11 cites·25 claims
- 3759US4338425AProcess for preparing diene-containing rubbers having improved green strengthFIRESTONE TIRE & RUBBER CO·Filed 1980·Granted Jul 6, 1982·11 cites·7 claims
- 3858US5942365ADeveloper compositions and imaging processesXEROX CORP·Filed 1997·Granted Aug 24, 1999·13 cites·29 claims
- 3955US5484679ALiquid developer compositions with multiple block copolymersXEROX CORP·Filed 1994·Granted Jan 16, 1996·15 cites·15 claims
- 4053US5783349ALiquid developer compositionsXEROX CORP·Filed 1997·Granted Jul 21, 1998·10 cites·27 claims
- 4151US7006780B2Partially fluorinated polymer coated development electrodesXEROX CORP·Filed 2003·Granted Feb 28, 2006·4 cites·21 claims
- 4251US5466551AImage member including a grounding layerXEROX CORP·Filed 1994·Granted Nov 14, 1995·8 cites·14 claims
- 4351USH1483HLiquid developer compositionsFiled 1993·Granted Sep 5, 1995·8 cites·32 claims
- 4450US5565297ALiquid developer compositions with oxygen containing copolymersXEROX CORP·Filed 1994·Granted Oct 15, 1996·8 cites·20 claims
- 4549US3960818AOrdered aromatic copolyamide urea polymerFIRESTONE TIRE & RUBBER CO·Filed 1974·Granted Jun 1, 1976·6 cites·6 claims
- 4645US7109365B2Processes for solubilizing organometallic compounds in fluorinated solvents by addition of a partly fluorinated non-catalytic co-solubilizerXEROX CORP·Filed 2003·Granted Sep 19, 2006·0 cites·20 claims
- 4744US6060204ALiquid developers and processes thereofXEROX CORP·Filed 1999·Granted May 9, 2000·5 cites·11 claims
- 4843US5688624ALiquid developer compositions with copolymersXEROX CORP·Filed 1997·Granted Nov 18, 1997·5 cites·24 claims
- 4943US5476743ALiquid developer compositions with organic additivesXEROX CORP·Filed 1994·Granted Dec 19, 1995·5 cites·20 claims
- 5043US4226972AProcess for preparing poly(organophosphazenes) from soluble or gelled poly(dichlorophosphazenes)FIRESTONE TIRE & RUBBER CO·Filed 1978·Granted Oct 7, 1980·4 cites·12 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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