Inventor · disambiguated record
Gerrit J. Koel
Also filed as: GERKEMA JAN · KOEL GERRIT J · KOEL GERRIT JAN
13 granted patents·208 citations·filing 1976–1987
92Inventor score
Files withPHILIPS CORP13
Top patents by PatentIndex Score
13 records- 0184US4300177AThin-film magnetic head for reading and writing informationPHILIPS CORP·Filed 1979·Granted Nov 10, 1981·24 cites·4 claims
- 0281US4165525AMagnetic head having a core provided on a substrate by means of thin-film technologyPHILIPS CORP·Filed 1978·Granted Aug 21, 1979·21 cites·3 claims
- 0381US4150408AThin-film magnetic head for reading and writing informationPHILIPS CORP·Filed 1977·Granted Apr 17, 1979·22 cites·2 claims
- 0479US4100583AThin-film magnetic head for reading and writing informationPHILIPS CORP·Filed 1976·Granted Jul 11, 1978·20 cites·2 claims
- 0578US4493721AMethod of manufacturing optical fibresPHILIPS CORP·Filed 1983·Granted Jan 15, 1985·39 cites·6 claims
- 0676US4239587AMethod of manufacturing a thin-film magnetic head with a nickel-iron pattern having inclined edgesPHILIPS CORP·Filed 1978·Granted Dec 16, 1980·17 cites·3 claims
- 0773US4151574AMagnetic head using a magnetic field-sensitive element and method of manufacturing samePHILIPS CORP·Filed 1978·Granted Apr 24, 1979·15 cites·2 claims
- 0871US4793843AMethod of manufacturing an optical fiber preformPHILIPS CORP·Filed 1987·Granted Dec 27, 1988·31 cites·11 claims
- 0944US4224400AMethod of manufacturing a magnetic head by photo-etchingPHILIPS CORP·Filed 1976·Granted Sep 23, 1980·5 cites·3 claims
- 1041US4091429ADevice for the magnetic recording by means of a magnetic strip domain as a recording/playback headPHILIPS CORP·Filed 1976·Granted May 23, 1978·4 cites·15 claims
- 1140US4175010AMethod of reinforcing a conductive base pattern by electroplating and device obtained by means of the methodPHILIPS CORP·Filed 1978·Granted Nov 20, 1979·4 cites·5 claims
- 1235US4176016AForming electrically insulating layers by sputter depositionPHILIPS CORP·Filed 1978·Granted Nov 27, 1979·5 cites·5 claims
- 1333US4453232ADevice for generating magnetic bubbles with a high bit ratePHILIPS CORP·Filed 1983·Granted Jun 5, 1984·1 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →