Inventor · disambiguated record
Hartmut Dulken
Also filed as: DUELKEN HARTMUT · DULKEN HARTMUT
6 granted patents·32 citations·filing 1974–1982
80Inventor score
Technology areasG03G
Files withLICENTIA GMBH6
Top patents by PatentIndex Score
6 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
- 0346US4008082AMethod for producing an electrophotographic recording materialLICENTIA GMBH·Filed 1976·Granted Feb 15, 1977·6 cites·4 claims
- 0442US4011079AMethod for producing an electrophotographic recording materialLICENTIA GMBH·Filed 1974·Granted Mar 8, 1977·5 cites·12 claims
- 0527US4046562AElectrophotographic recording material and its method of manufactureLICENTIA GMBH·Filed 1974·Granted Sep 6, 1977·1 cites·14 claims
- 0621US4513072ADual layer electrophotographic recording material containing a layer of selenium, arsenic and halogen, and thereabove a layer of selenium and telluriumLICENTIA GMBH·Filed 1982·Granted Apr 23, 1985·1 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →