Inventor · disambiguated record
Hans Juergen Coufal
Also filed as: COUFAL HANS · COUFAL HANS J · COUFAL HANS JUERGEN
10 granted patents·178 citations·filing 1984–2006
90Inventor score
Files withIBM10
Top patents by PatentIndex Score
10 records- 0181US5883875AShort coherent-length optical tomograph for high density volume optical data storage devicesIBM·Filed 1997·Granted Mar 16, 1999·39 cites·32 claims
- 0268US5280406AJet deposition of electrical charge on a dielectric surfaceIBM·Filed 1992·Granted Jan 18, 1994·31 cites·6 claims
- 0364US5114913AMagnetic head slider employing superconductor for levitationIBM·Filed 1990·Granted May 19, 1992·15 cites·16 claims
- 0459US4576895AOptical recording by energy-induced fractionation and homogenizationIBM·Filed 1984·Granted Mar 18, 1986·10 cites·13 claims
- 0558US5650632AFocal plane phase-shifting lithographyIBM·Filed 1996·Granted Jul 22, 1997·15 cites·4 claims
- 0653US6175543B1Encoding technique of data patterns to improve signal-to-noise ratio during cantent-addressable retrievalIBM·Filed 1998·Granted Jan 16, 2001·13 cites·78 claims
- 0749US7823173B2Removable disk media including holographic optical disk stacked in a tape cartridge shellIBM·Filed 2006·Granted Oct 26, 2010·0 cites·10 claims
- 0848US5827622AReflective lithographic maskIBM·Filed 1997·Granted Oct 27, 1998·11 cites·4 claims
- 0947US5717218AFocal plane phase-shifting lithographyIBM·Filed 1994·Granted Feb 10, 1998·7 cites·8 claims
- 1041US5571106ASurgical cutting instrumentIBM·Filed 1995·Granted Nov 5, 1996·37 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →