Inventor · disambiguated record
Maarten R. De Haan
Also filed as: DE HAAN MAARTEN R · DE HAAN MAARTEN RUTGER · VERBOOM JOHANNES J
10 granted patents·197 citations·filing 1974–2006
90Inventor score
Top patents by PatentIndex Score
10 records- 0194US4238843ADisc-shaped optically readable record carrier used as a data storage mediumPHILIPS CORP·Filed 1979·Granted Dec 9, 1980·51 cites·7 claims
- 0292US4375088AOptically 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
- 0386US4366564AApparatus for writing digital information in a disc-shaped optically readable record carrierPHILIPS CORP·Filed 1980·Granted Dec 28, 1982·32 cites·3 claims
- 0481US7814395B2Rewrite strategy and methods and systems for error correction in high-density recordingOPTERNITY STORAGE INC·Filed 2006·Granted Oct 12, 2010·6 cites·11 claims
- 0580US7646694B2Methods and systems for providing data track identifying information on a recording mediumOPTERNITY STORAGE INC·Filed 2006·Granted Jan 12, 2010·5 cites·12 claims
- 0677US3962721AApparatus for reading a disc-shaped record carrier with video luminance and chrominance informationPHILIPS CORP·Filed 1974·Granted Jun 8, 1976·18 cites·4 claims
- 0768US4188638AColor television signal having color-difference signals alternating between two carriersPHILIPS CORP·Filed 1978·Granted Feb 12, 1980·15 cites·12 claims
- 0851US3968513ASystem for recording a color television signal with reduced bandwidthPHILIPS CORP·Filed 1974·Granted Jul 6, 1976·6 cites·13 claims
- 0950US3982272AColor television system in which the chrominance subcarrier is locked to the frequency-modulated luminance signalPHILIPS CORP·Filed 1974·Granted Sep 21, 1976·6 cites·13 claims
- 1036US4045812AColor television recording system employing frequency modulation and pulse width modulationPHILIPS CORP·Filed 1975·Granted Aug 30, 1977·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →