Inventor · disambiguated record
Ralf Wichmann
Also filed as: WICHMANN RALF
11 granted patents·3 pending applications·70 citations·filing 1990–2005
88Inventor score
Top patents by PatentIndex Score
14 records- 0192US5238791ABleaching bathAGFA GEVAERT AG·Filed 1991·Granted Aug 24, 1993·25 cites·2 claims
- 0286US5149618ABleach fixing processAGFA GEVAERT AG·Filed 1991·Granted Sep 22, 1992·16 cites·3 claims
- 0369US5009985AIron complexes and bleaching baths containing sameAGFA GEVAERT AG·Filed 1990·Granted Apr 23, 1991·10 cites·7 claims
- 0465US7028719B2Process for processing chemicalsAGFAPHOTO GMBH·Filed 2005·Granted Apr 18, 2006·2 cites·6 claims
- 0560US6951276B2Pack for processing chemicalsAGFAPHOTO GMBH·Filed 2002·Granted Oct 4, 2005·9 cites·6 claims
- 0655US6824965B2Bleach bathAGFA GEVAERT·Filed 2001·Granted Nov 30, 2004·1 cites·18 claims
- 0751US5716767ABleaching bath for photographic black-&-white materialAGFA GEVAERT AG·Filed 1996·Granted Feb 10, 1998·2 cites·11 claims
- 0849US2005133530A1Package for photographic processing chemicalsAGFAPHOTO GMBH·Filed 2004·Application pending·0 cites
- 0949US2005133533A1Package for photographic processing chemicalsAGFAPHOTO GMBH·Filed 2004·Application pending·0 cites
- 1044US6350563B1Photographic black-and-white reversal first developerAGFA GEVAERT·Filed 1998·Granted Feb 26, 2002·1 cites·13 claims
- 1143US5565138ABleachAGFA AG·Filed 1994·Granted Oct 15, 1996·2 cites·4 claims
- 1240US5354649AColor photographic silver halide materialAGFA GEVAERT AG·Filed 1993·Granted Oct 11, 1994·2 cites·2 claims
- 1338US7160674B2Photographic chemicals bundleA & O IMAGINING SOLUTIONS GMBH·Filed 2004·Granted Jan 9, 2007·0 cites·18 claims
- 1438US2004023168A1Colour photographic developing concentrateAGFA GEVAERT·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →