Inventor · disambiguated record
Josef Pfeifer
Also filed as: FARBER HEINRICH · KVITA VRATISLAV · PETER HEINZ · PFEIFER JOSEF
75 granted patents·938 citations·filing 1972–1991
99Inventor score
Top patents by PatentIndex Score
75 records- 0198US4629777APolyimides, a process for their preparation and their useCIBA GEIGY CORP·Filed 1984·Granted Dec 16, 1986·119 cites·29 claims
- 0297US3966316AElectrostatic copying machine with removable copying drumAGFA GEVAERT AG·Filed 1975·Granted Jun 29, 1976·58 cites·21 claims
- 0393US4694061ARadiation-sensitive polycondensates, processes for their preparation coated material and its useCIBA GEIGY CORP·Filed 1984·Granted Sep 15, 1987·64 cites·22 claims
- 0490US4090206AMethod and apparatus for producing successive lines of image points on a recording mediumAGFA GEVAERT AG·Filed 1977·Granted May 16, 1978·55 cites·7 claims
- 0589US4657832APhotosensitive polymers as coating materialsCIBA GEIGY CORP·Filed 1984·Granted Apr 14, 1987·44 cites·17 claims
- 0687US4438164AContainers for X-ray films or the likeAGFA GEVAERT AG·Filed 1982·Granted Mar 20, 1984·21 cites·22 claims
- 0787US4189560ACrosslinkable polymers of unsaturated imidesCIBA GEIGY CORP·Filed 1978·Granted Feb 19, 1980·33 cites·17 claims
- 0887US4096486ARecorderAGFA GEVAERT AG·Filed 1977·Granted Jun 20, 1978·43 cites·7 claims
- 0986US5009812AAntistatic and electrically conducting polymers and moulding materialsCIBA GEIGY CORP·Filed 1988·Granted Apr 23, 1991·44 cites·13 claims
- 1086US4680195AHomopolymers, copolymers and coated material and its useCIBA GEIGY CORP·Filed 1985·Granted Jul 14, 1987·17 cites·20 claims
- 1184US4617151A2- or 2,3-substituted 5,6,11,12-tetrathiotetracene and 5,6,11,12-tetraselenotetraceneCIBA GEIGY CORP·Filed 1985·Granted Oct 14, 1986·19 cites·3 claims
- 1282US4698295APolyimides, a process for their preparation and their use, and tetracarboxylic acids and tetracarboxylic acid derivativesCIBA GEIGY CORP·Filed 1985·Granted Oct 6, 1987·26 cites·38 claims
- 1381US4187364ACrosslinkable polymers of unsaturated imidesCIBA GEIGY CORP·Filed 1978·Granted Feb 5, 1980·24 cites·14 claims
- 1479US4656116ARadiation-sensitive coating compositionCIBA GEIGY CORP·Filed 1984·Granted Apr 7, 1987·37 cites·19 claims
- 1577US4107687ARecording deviceAGFA GEVAERT AG·Filed 1977·Granted Aug 15, 1978·23 cites·6 claims
- 1676US3988756AApparatus for processing webs of photographic materialAGFA-GEVAERT AG·Filed 1975·Granted Oct 26, 1976·13 cites·10 claims
- 1775US4925912AAuto-photocrosslinkable copolyimides and polyimide compositionsCIBA GEIGY CORP·Filed 1988·Granted May 15, 1990·25 cites·11 claims
- 1875US4914182APolyimides, a process for their preparation and their use, and tetracarboxylic acids and tetracarboxylic acid derivativesCIBA GEIGY CORP·Filed 1987·Granted Apr 3, 1990·18 cites·2 claims
- 1972US4087178ASheet-holding cassette for copying machineAGFA GEVAERT AG·Filed 1977·Granted May 2, 1978·17 cites·10 claims
- 2070US4629685AProcess for irradiating polyimidesCIBA GEIGY CORP·Filed 1985·Granted Dec 16, 1986·19 cites·16 claims
- 2168US4783372AHomopolymers, copolymers and coated material and its useCIBA GEIGY CORP·Filed 1987·Granted Nov 8, 1988·8 cites·6 claims
- 2266US4173411AExposure system for copying machinesAGFA GEVAERT AG·Filed 1977·Granted Nov 6, 1979·7 cites·9 claims
- 2364US4225701ACrystalline polyamides from branched chain diamine and terephthalic acidCIBA GEIGY CORP·Filed 1978·Granted Sep 30, 1980·11 cites·7 claims
- 2460US4785074ARadiation-sensitive polycondensates, processes for their preparation, coated material and its useCIBA GEIGY CORP·Filed 1987·Granted Nov 15, 1988·10 cites·24 claims
- 2560US4069989ACartridge for strip-shaped record carriersAGFA GEVAERT AG·Filed 1976·Granted Jan 24, 1978·6 cites·14 claims
- 2660US3966194AApparatus for manipulating finished reproductions in copying machinesAGFA GEVAERT AG·Filed 1975·Granted Jun 29, 1976·12 cites·6 claims
- 2759US3972609AElectrostatic copying machineAGFA GEVAERT AG·Filed 1975·Granted Aug 3, 1976·9 cites·14 claims
- 2857US4021668AIonography imaging chamberAGFA GEVAERT AG·Filed 1976·Granted May 3, 1977·8 cites·26 claims
- 2955US4914181APolyimides, a process for their preparation and their use, and tetracarboxylic acids and tetracarboxylic acid derivativesCIBA GEIGY CORP·Filed 1987·Granted Apr 3, 1990·4 cites·21 claims
- 3055US4460790ASubstituted 1,11-diaminoundecanes, processes for producing them, and their useCIBA GEIGY CORP·Filed 1981·Granted Jul 17, 1984·2 cites·8 claims
- 3155US4277621ASubstituted 11-amino-undeca-4,8-dienal and 11-amino-undecanal derivatives and processes for their preparationCIBA GEIGY CORP·Filed 1979·Granted Jul 7, 1981·2 cites·9 claims
- 3254US4696890AProcesses for preparing protective coatings and relief structuresCIBA GEIGY CORP·Filed 1986·Granted Sep 29, 1987·12 cites·44 claims
- 3354US4061915AMethod and apparatus for making X-ray imagesAGFA GEVAERT AG·Filed 1976·Granted Dec 6, 1977·7 cites·40 claims
- 3452US4847359ADiamino-9,10-dihydroanthracenes and polyamide acid (esters) and polyimides derived therefromCIBA GEIGY CORP·Filed 1987·Granted Jul 11, 1989·10 cites·16 claims
- 3552US4115368ACrosslinkable polymers of compounds containing 5-maleimidyl-isophthalic acid derivativesCIBA GEIGY CORP·Filed 1976·Granted Sep 19, 1978·7 cites·12 claims
- 3652US4104069AMethod of determining exposure times for photographic copying materialAGFA GEVAERT AG·Filed 1976·Granted Aug 1, 1978·5 cites·1 claims
- 3751US5153321AAntistatic and electrically conducting polymers and moulding materialsCIBA GEIGY CORP·Filed 1991·Granted Oct 6, 1992·13 cites·1 claims
- 3851US4355177ASubstituted 11-amino-undeca-4,8-dienal and 11-amino-undecanal derivatives and processes for their preparationCIBA GEIGY CORP·Filed 1981·Granted Oct 19, 1982·2 cites·9 claims
- 3950US4677186APolyimides and a process for their preparationCIBA GEIGY CORP·Filed 1986·Granted Jun 30, 1987·5 cites·17 claims
- 4048US4898806ACoated material and use thereofCIBA GEIGY CORP·Filed 1989·Granted Feb 6, 1990·8 cites·50 claims
- 4145US4714669ARadiation-sensitive polycondensates, their preparation, material coated therewith and the use thereofCIBA GEIGY CORP·Filed 1986·Granted Dec 22, 1987·6 cites·40 claims
- 4245US4465823AEthylenically unsaturated crosslinkable transparent polyamideCIBA GEIGY CORP·Filed 1983·Granted Aug 14, 1984·2 cites·7 claims
- 4343US4057344AElectro-photographic copier with strip-shaped latent-image carrierAGFA GEVAERT AG·Filed 1976·Granted Nov 8, 1977·4 cites·9 claims
- 4442US4195165AAliphatic polyamide from disubstituted decane diamineCIBA GEIGY CORP·Filed 1978·Granted Mar 25, 1980·4 cites·12 claims
- 4542US4115359ACrosslinkable polymers prepared from maleimidyl substituted trimellitic acid compoundsCIBA GEIGY CORP·Filed 1976·Granted Sep 19, 1978·4 cites·8 claims
- 4641US4210742ATransparent polyamides from branched chain diamineCIBA GEIGY CORP·Filed 1978·Granted Jul 1, 1980·4 cites·9 claims
- 4740US4851506APhotostructurable polyimide mixturesCIBA GEIGY CORP·Filed 1987·Granted Jul 25, 1989·6 cites·14 claims
- 4838US4255559ATransparent copolyamide from 1,10-disubstituted-1,10 diamineCIBA GEIGY CORP·Filed 1979·Granted Mar 10, 1981·3 cites·8 claims
- 4938US4210743ATransparent polyamides from branched chain diaminesCIBA GEIGY CORP·Filed 1978·Granted Jul 1, 1980·3 cites·10 claims
- 5037US4484004ASubstituted 1,11-diaminoundecanes, processes for producing them and their useCIBA GEIGY CORP·Filed 1982·Granted Nov 20, 1984·0 cites·6 claims
Showing the top 50 of 75 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →