Inventor · disambiguated record
By Friedrich J. De Haan, Administrator
Also filed as: DE HAAN ADMINISTRATOR BY FRIED
10 granted patents·181 citations·filing 1977–1986
90Inventor score
Files withPHILIPS CORP10
Top patents by PatentIndex Score
10 records- 0189US4114406AWashing machinePHILIPS CORP·Filed 1977·Granted Sep 19, 1978·59 cites·5 claims
- 0277US4399328ADirection and frequency independent column of electro-acoustic transducersPHILIPS CORP·Filed 1981·Granted Aug 16, 1983·50 cites·20 claims
- 0360US4546305AMains-voltage discrimination devicePHILIPS CORP·Filed 1983·Granted Oct 8, 1985·18 cites·20 claims
- 0448US4352954AArtificial reverberation apparatus for audio frequency signalsPHILIPS CORP·Filed 1980·Granted Oct 5, 1982·11 cites·8 claims
- 0543US4366346AArtificial reverberation apparatusPHILIPS CORP·Filed 1980·Granted Dec 28, 1982·8 cites·14 claims
- 0643US4361727ASound reproducing arrangement for artificial reverberationPHILIPS CORP·Filed 1980·Granted Nov 30, 1982·8 cites·6 claims
- 0739US4480229AAmplifier arrangement with parallel-operated amplifier sectionsPHILIPS CORP·Filed 1982·Granted Oct 30, 1984·4 cites·2 claims
- 0837US4847534AHigh-pressure discharge lamp with torsionally wound electrode structurePHILIPS CORP·Filed 1986·Granted Jul 11, 1989·12 cites·11 claims
- 0937US4375623AArrangement for the transmission of audio signalsPHILIPS CORP·Filed 1981·Granted Mar 1, 1983·6 cites·23 claims
- 1026US4406994AWire-wound resistorPHILIPS CORP·Filed 1982·Granted Sep 27, 1983·5 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →