Inventor · disambiguated record
Erwin Czech
Also filed as: CZECH ERWIN
9 granted patents·81 citations·filing 1986–1998
88Inventor score
Top patents by PatentIndex Score
9 records- 0177US4912006AElectrostatic tonerBASF AG·Filed 1989·Granted Mar 27, 1990·20 cites·9 claims
- 0275US5891227AAqueous dye preparationsBASF AG·Filed 1997·Granted Apr 6, 1999·17 cites·9 claims
- 0364US4925762ACarrier for reprography and production of this carrierBASF AG·Filed 1988·Granted May 15, 1990·13 cites·20 claims
- 0454US4803143AColored single-component toners and their preparationBASF AG·Filed 1986·Granted Feb 7, 1989·9 cites·5 claims
- 0550US5496674AParticles suitable as carriers for electrophotographyBASF AG·Filed 1992·Granted Mar 5, 1996·8 cites·10 claims
- 0647US5039587AOxide-coated carriers and preparation and use thereofBASF AG·Filed 1989·Granted Aug 13, 1991·7 cites·4 claims
- 0738US5512264AFinely divided blue molybdenum oxideBASF AG·Filed 1994·Granted Apr 30, 1996·3 cites·9 claims
- 0830US6242052B1Triboelectric chargeable coating powderBASF COATINGS AG·Filed 1998·Granted Jun 5, 2001·3 cites·15 claims
- 0929US5814139ABallpoint pen pastes with phthalocyanine pigmentsBASF AG·Filed 1996·Granted Sep 29, 1998·1 cites·5 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →