Inventor · disambiguated record
Rolf Steiger
Also filed as: STEIGER ROLF · STEIGER ROLF DR
26 granted patents·3 pending applications·209 citations·filing 1976–2013
96Inventor score
Files withILFORD IMAGING CH GMBH12CIBA GEIGY AG8HEWLETT PACKARD DEVELOPMENT CO2SUISSE ELECTRONIQUE MICROTECH2IFORD IMAGING SWITZERLAND GMBH1
Top patents by PatentIndex Score
29 records- 0193US4040825ASpectral sensitization of photographic material with natural colloids containing sensitizing dye groupsCIBA GEIGY AG·Filed 1976·Granted Aug 9, 1977·30 cites·7 claims
- 0291US4138551ASpectral sensitization of photographic material and new spectral sensitizersCIBA GEIGY AG·Filed 1977·Granted Feb 6, 1979·33 cites·5 claims
- 0379US6660347B2Recording sheets for ink jet printingILFORD IMAGING CH GMBH·Filed 2002·Granted Dec 9, 2003·12 cites·9 claims
- 0475US8389075B2Sulfur-containing inorganic media coatings for ink-jet applicationsLOOMAN STEVEN D·Filed 2008·Granted Mar 5, 2013·3 cites·12 claims
- 0573US6780478B2Recording sheets for ink jet printingILFORD IMAGING CH GMBH·Filed 2001·Granted Aug 24, 2004·12 cites·21 claims
- 0673US6156419ARecording sheets for ink jet printingIFORD IMAGING SWITZERLAND GMBH·Filed 1998·Granted Dec 5, 2000·42 cites·11 claims
- 0772US7883753B2Recording sheets for ink jet printingILFORD IMAGING CH GMBH·Filed 2006·Granted Feb 8, 2011·1 cites·15 claims
- 0871US7906187B2Ink jet recording sheet with photoparityHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Mar 15, 2011·8 cites·19 claims
- 0970US8053043B2Recording sheet for ink jet printingILFORD IMAGING CH GMBH·Filed 2007·Granted Nov 8, 2011·1 cites·10 claims
- 1070US6420016B1Recording sheets for ink jet printingILFORD IMAGING CH GMBH·Filed 1999·Granted Jul 16, 2002·23 cites·9 claims
- 1169US4868098AMethod of processing exposed photographic silver dye bleach materials comprising heating after processing liquid applicationCIBA GEIGY AG·Filed 1988·Granted Sep 19, 1989·11 cites·16 claims
- 1264US6589637B2Recording sheets for ink jet printingILFORD IMAGING CH GMBH·Filed 2001·Granted Jul 8, 2003·5 cites·10 claims
- 1363US9238582B2Assembly comprising J-aggregatesSUISSE ELECTRONIQUE MICROTECH·Filed 2013·Granted Jan 19, 2016·1 cites·20 claims
- 1460US7927675B2Recording sheets for ink jet printingILFORD IMAGING CH GMBH·Filed 2008·Granted Apr 19, 2011·1 cites·20 claims
- 1556US7435448B2Sulfur-containing inorganic media coatings for ink-jet applicationsHEWLETT PACKARD DEVELOPMENT CO·Filed 2004·Granted Oct 14, 2008·1 cites·14 claims
- 1654US7560173B2Electrically active filmsILFORD IMAGING CH GMBH·Filed 2002·Granted Jul 14, 2009·2 cites·10 claims
- 1749US7824617B2Assembly comprising J aggregatesSUISSE ELECTRONIQUE MICROTECH·Filed 2008·Granted Nov 2, 2010·3 cites·16 claims
- 1849US5141845AProcess for the spectral sensitization of photographic silver halide emulsions and products thereofILFORD LTD·Filed 1990·Granted Aug 25, 1992·3 cites·7 claims
- 1949US2004146665A1Recording sheets for ink jet printingILFORD IMAGING CH GMBH·Filed 2004·Application pending·0 cites
- 2045US4376817ADirect-positive photographic materialCIBA GEIGY AG·Filed 1981·Granted Mar 15, 1983·4 cites·8 claims
- 2142US4326021APhotographic negative material with at least one layer containing a desensitized silver halide emulsionCIBA GEIGY AG·Filed 1981·Granted Apr 20, 1982·3 cites·11 claims
- 2241US4311786ANovel sensitizers and their use in direct-positive photographic materialsCIBA GEIGY AG·Filed 1980·Granted Jan 19, 1982·3 cites·14 claims
- 2339US8088929B2Method for producing J aggregatesLOSSON MYRIAM·Filed 2006·Granted Jan 3, 2012·0 cites·28 claims
- 2436US7250202B1Recording sheets for ink jet printingILFORD IMAGING CH GMBH·Filed 1999·Granted Jul 31, 2007·3 cites·15 claims
- 2536US2008113213A1Optical Amplifying MaterialsILFORD IMAGING CH GMBH·Filed 2004·Application pending·0 cites
- 2634US2005053735A1Recording sheets for ink jet printingILFORD IMAGING CH GMBH·Filed 2004·Application pending·0 cites
- 2732US5077190AProcess for spectral sensitization of a silver halide emulsionILFORD AG·Filed 1989·Granted Dec 31, 1991·1 cites·12 claims
- 2832US4803151APhotographic material for the silver dye bleach process comprising an AZO dye, capable of laking, in gelatineCIBA GEIGY AG·Filed 1987·Granted Feb 7, 1989·1 cites·16 claims
- 2932US4576885APhotographic material for the silver dye bleach processCIBA GEIGY AG·Filed 1984·Granted Mar 18, 1986·2 cites·13 claims
Join the waitlist — get patent alerts
Get an alert when Rolf Steiger files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →