Inventor · disambiguated record
Klaas Compaan
Also filed as: COMPAAN KLAAS
7 granted patents·177 citations·filing 1974–1983
87Inventor score
Files withPHILIPS CORP7
Top patents by PatentIndex Score
7 records- 0192US4375088AOptically readable record carrier with track variations which provide clock and tracking signals and apparatus for recording and/or reproducing data from such a record carrierPHILIPS CORP·Filed 1980·Granted Feb 22, 1983·55 cites·38 claims
- 0291US4041530AVideo disc with phase structurePHILIPS CORP·Filed 1975·Granted Aug 9, 1977·46 cites·8 claims
- 0375US4464741AOptical focusing-error detection devicePHILIPS CORP·Filed 1982·Granted Aug 7, 1984·20 cites·7 claims
- 0468US4160269AApparatus for optically reading a phase-modulated optical record carrierPHILIPS CORP·Filed 1977·Granted Jul 3, 1979·14 cites·14 claims
- 0566US4319280AApparatus for converting cinematographic pictures into video signalsPHILIPS CORP·Filed 1980·Granted Mar 9, 1982·18 cites·12 claims
- 0664US4034403AApparatus for positional control of a reading head in a device for reproducing optically coded video disk recordingsPHILIPS CORP·Filed 1974·Granted Jul 5, 1977·10 cites·10 claims
- 0762US4577101AShaft encoder with an optical system comprising two straight-line-generatrix surfacesPHILIPS CORP·Filed 1983·Granted Mar 18, 1986·14 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →