Inventor · disambiguated record
Karl-Heinz Kassel
Also filed as: KASSEL KARL · KASSEL KARL-HEINZ
8 granted patents·53 citations·filing 1973–1980
85Inventor score
Top patents by PatentIndex Score
8 records- 0165US3973960AElectrophotographic element having a selenium layer containing arsenic in varying concentrations across the layer thicknessLICENTIA GMBH·Filed 1974·Granted Aug 10, 1976·10 cites·11 claims
- 0261US4094675AVapor deposition of photoconductive selenium onto a metallic substrate having a molten metal coating as bonding layerLICENTIA GMBH·Filed 1974·Granted Jun 13, 1978·9 cites·9 claims
- 0361US3957090AHygroscopic transporting webMUHLEN SOHN·Filed 1973·Granted May 18, 1976·14 cites·1 claims
- 0446US4008082AMethod for producing an electrophotographic recording materialLICENTIA GMBH·Filed 1976·Granted Feb 15, 1977·6 cites·4 claims
- 0542US4011079AMethod for producing an electrophotographic recording materialLICENTIA GMBH·Filed 1974·Granted Mar 8, 1977·5 cites·12 claims
- 0633US4298671ATellurium layer allows vapor deposition of crystalline selenium thereon in making double layer electrophotographic record materialLICENTIA GMBH·Filed 1979·Granted Nov 3, 1981·6 cites·6 claims
- 0730US4343883AMethod for producing an electrophotographic recording material having dual layer of amorphous and crystallized SeLICENTIA GMBH·Filed 1980·Granted Aug 10, 1982·2 cites·13 claims
- 0827US4046562AElectrophotographic recording material and its method of manufactureLICENTIA GMBH·Filed 1974·Granted Sep 6, 1977·1 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →