Inventor · disambiguated record
Edsko E. Havinga
Also filed as: HAVINGA EDSKO E · HAVINGA EDSKO ENNO
10 granted patents·243 citations·filing 1989–1999
90Inventor score
Top patents by PatentIndex Score
10 records- 0180US6528815B1Write-once read-many electrical memory element of a conjugated polymer or oligomerKONINKL PHILIPS ELECTRONICS NV·Filed 1997·Granted Mar 4, 2003·92 cites·7 claims
- 0277US6184540B1Method of preparing a thiophene-containing or furan-containing conjugated compound and precursor compound and use thereof for making semiconductor devicePHILIPS CORP·Filed 1999·Granted Feb 6, 2001·19 cites·20 claims
- 0368US5629530ASemiconductor device having an organic semiconductor materialPHILIPS CORP·Filed 1995·Granted May 13, 1997·86 cites·9 claims
- 0460US5908583ASemiconductor polymerPHILIPS CORP·Filed 1997·Granted Jun 1, 1999·18 cites·11 claims
- 0542US6124475AMethod of preparing a thiophene-containing or furan-containing conjugated compound and precursor compound used thereinPHILIPS CORP·Filed 1998·Granted Sep 26, 2000·2 cites·7 claims
- 0642US5380807AElectrically conductive alternating copolymer and method of preparing such a copolymerPHILIPS CORP·Filed 1993·Granted Jan 10, 1995·9 cites·28 claims
- 0737US5006729ADevice for doubling the frequency of a light wave comprising a non-linear optical compoundPHILIPS CORP·Filed 1990·Granted Apr 9, 1991·9 cites·5 claims
- 0833US5919951AMethod of preparing a thiophene-containing or furan-containing conjugated compound and precursor compound used thereinPHILIPS CORP·Filed 1998·Granted Jul 6, 1999·3 cites·19 claims
- 0931US4958087AArrangement for and method of doubling the frequency of a light wavePHILIPS CORP·Filed 1989·Granted Sep 18, 1990·3 cites·11 claims
- 1030US5232630AMethod of manufacturing conductive heterocyclic polymers by reacting new polymeric intermediate products with NH3, a NH3 producing substance, P2 S5 or Lawesson's reagentPHILIPS CORP·Filed 1989·Granted Aug 3, 1993·2 cites·3 claims
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