Inventor · disambiguated record
Robert L. Vollmer
Also filed as: VOLLMER ROBERT · VOLLMER ROBERT L · VOLLMER ROBERT LEE
7 granted patents·160 citations·filing 1976–2022
86Inventor score
Top patents by PatentIndex Score
7 records- 0194US4677045ASquarylium charge generating dye and electrophotographic photoconductorIBM·Filed 1986·Granted Jun 30, 1987·53 cites·7 claims
- 0291US5198022AWaterfast dye and aqueous inkLEXMARK INT INC·Filed 1992·Granted Mar 30, 1993·46 cites·39 claims
- 0376US4104308ASynthesis of squaric acidIBM·Filed 1976·Granted Aug 1, 1978·12 cites·5 claims
- 0473US5130215AElectrophotographic photoconductor contains ordered copolyester polycarbonate binderLEXMARK INT INC·Filed 1990·Granted Jul 14, 1992·24 cites·40 claims
- 0567US9468995B2Method and device for joint-welding coated metal sheetsWISCO TAILORED BLANKS GMBH·Filed 2012·Granted Oct 18, 2016·2 cites·9 claims
- 0667US5545499AElectrophotographic photoconductor having improved cycling stability and oil resistanceLEXMARK INT INC·Filed 1995·Granted Aug 13, 1996·23 cites·12 claims
- 0755US12450858B2Forming or separating device, and method for operating sameANDRITZ SCHULER PRESSEN GMBH·Filed 2022·Granted Oct 21, 2025·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →