Inventor · disambiguated record
Peter Janssen
Also filed as: CHRISTIS WILHELMUS J · JANSSEN PETER · JANSSEN PETER J · JANSSEN PETER J G M
50 granted patents·7 pending applications·1,785 citations·filing 1974–2021
99Inventor score
Top patents by PatentIndex Score
57 records- 0198US4037252AApparatus for reading a disc-shaped record carrier with plural scanning spots for stable radial trackingPHILIPS CORP·Filed 1975·Granted Jul 19, 1977·88 cites·13 claims
- 0297US5410370ASingle panel color projection video display improved scanningPHILIPS CORP·Filed 1994·Granted Apr 25, 1995·193 cites·13 claims
- 0396US5416514ASingle panel color projection video display having control circuitry for synchronizing the color illumination system with reading/writing of the light valvePHILIPS CORP·Filed 1992·Granted May 16, 1995·174 cites·9 claims
- 0495US5442414AHigh contrast illumination system for video projectorPHILIPS CORP·Filed 1994·Granted Aug 15, 1995·218 cites·16 claims
- 0592US5548347ASingle panel color projection video display having improved scanningPHILIPS ELECTRONICS NA·Filed 1994·Granted Aug 20, 1996·124 cites·21 claims
- 0692US5508738ASingle panel color porjection video display having control circuitry for synchronizing the color illumination system with reading/writing of the lightPHILIPS CORP·Filed 1995·Granted Apr 16, 1996·114 cites·9 claims
- 0792US4561081AOpto-electronic apparatus for inscribing and/or reading recording tracks by means of a radiation beamPHILIPS CORP·Filed 1981·Granted Dec 24, 1985·41 cites·18 claims
- 0888US11987135B2Electric drive train with start-up supportFEV Group GmbH·Filed 2020·Granted May 21, 2024·2 cites·19 claims
- 0988US5532763ASingle panel color projection video displayPHILIPS CORP·Filed 1995·Granted Jul 2, 1996·110 cites·18 claims
- 1087US5662401AIntegrating lens array and image forming method for improved optical efficiencyPHILIPS ELECTRONICS NA·Filed 1995·Granted Sep 2, 1997·86 cites·13 claims
- 1187US4683520AMechanical shock mount system for electrical apparatusLASER MAGNETIC STORAGE INT·Filed 1986·Granted Jul 28, 1987·57 cites·4 claims
- 1286US6320565B1DAC driver circuit with pixel resetting means and color electro-optic display device and system incorporating samePHILIPS ELECTRONICS NA·Filed 1999·Granted Nov 20, 2001·77 cites·11 claims
- 1386US4022986APlayback unit for a long-playing record of a time division multiplexed audio signalPHILIPS CORP·Filed 1974·Granted May 10, 1977·35 cites·9 claims
- 1484US5528318ASingle panel color projection video display having improved scanningPHILIPS CORP·Filed 1995·Granted Jun 18, 1996·60 cites·11 claims
- 1580US5608467ASingle panel color projection video displayPHILIPS ELECTRONICS NA·Filed 1995·Granted Mar 4, 1997·59 cites·6 claims
- 1680US4510508AOptical disc pressure-collapsible coverPHILIPS CORP·Filed 1983·Granted Apr 9, 1985·21 cites·5 claims
- 1771US5808410AFlat panel light source for liquid crystal displaysPHILIPS ELECTRONICS NA·Filed 1995·Granted Sep 15, 1998·23 cites·5 claims
- 1870US6384817B1Apparatus for applying voltages to individual columns of pixels in a color electro-optic display devicePHILIPS ELECTRONICS NA·Filed 1999·Granted May 7, 2002·38 cites·6 claims
- 1968US4005260ADevice for reading a disk-shaped record carrier with time base correctionPHILIPS CORP·Filed 1975·Granted Jan 25, 1977·12 cites·5 claims
- 2063US8360913B2Drive system with an 8-gear gearboxFEV GMBH·Filed 2008·Granted Jan 29, 2013·6 cites·12 claims
- 2163US4349904AError correction circuit using character probabilityPHILIPS CORP·Filed 1980·Granted Sep 14, 1982·17 cites·7 claims
- 2262US3969574ATubular player arm for an optical recording and reproducing device with drive coil and tachogenerator coil on other endPHILIPS CORP·Filed 1974·Granted Jul 13, 1976·9 cites·6 claims
- 2359US5490013ACompensation plate for tilted plate optical aberrationsPHILIPS ELECTRONICS NV·Filed 1995·Granted Feb 6, 1996·24 cites·7 claims
- 2459US4200882AColor television CRT beam current correction circuitPHILIPS CORP·Filed 1978·Granted Apr 29, 1980·12 cites·4 claims
- 2558US4839882ARecord carrier with an optically readable trackwise-arranged information structurePHILIPS CORP·Filed 1980·Granted Jun 13, 1989·9 cites·14 claims
- 2658US4698798ADevice for translating a slidePHILIPS CORP·Filed 1985·Granted Oct 6, 1987·11 cites·5 claims
- 2757US6285346B1Increased-frequency addressing of display system employing reflective light modulatorPHILIPS ELECTRONICS NA·Filed 1998·Granted Sep 4, 2001·20 cites·12 claims
- 2856US6684142B2Slip protection method for a belt-type variator of a CVTZF BATAVIA LLC·Filed 2000·Granted Jan 27, 2004·7 cites·12 claims
- 2954US12122239B2Parallel hybrid drive for a motor vehicle, motor vehicle, and method for operating a parallel hybrid driveRWTH AACHEN·Filed 2021·Granted Oct 22, 2024·0 cites·20 claims
- 3053US6023309AReflective liquid crystal display having integral light shieldingPHILIPS ELECTRONICS NA·Filed 1997·Granted Feb 8, 2000·22 cites·4 claims
- 3153US3976828AArrangement for aligning the image of an information structure on a converterPHILIPS CORP·Filed 1975·Granted Aug 24, 1976·7 cites·5 claims
- 3253US2002194224A1System for providing professional servicesFiled 2000·Application pending·0 cites
- 3351US4157569ATelevision receiver having a synchronous detection circuit and a frequency deviation-detection circuit to achieve a wide frequency range control functionPHILIPS CORP·Filed 1977·Granted Jun 5, 1979·9 cites·5 claims
- 3450US3982272AColor 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
- 3547US6052165AReflective liquid crystal display (LCD) device having an internal reflection reducerPHILIPS ELECTRONICS NA·Filed 1997·Granted Apr 18, 2000·14 cites·8 claims
- 3646US6191830B1Electro-optical display having split storage capacitor structure for series capacitancePHILIPS ELECTRONICS NA·Filed 1998·Granted Feb 20, 2001·14 cites·8 claims
- 3744US2003123663A1Method and apparatus for preventing unauthorized copying of screen imagesFiled 2001·Application pending·0 cites
- 3842US5216664AOptically readable disc with a centering member fixed to a transparent substratePHILIPS CORP·Filed 1991·Granted Jun 1, 1993·6 cites·8 claims
- 3942US4158858ATelevision system with two FM sound carriersPHILIPS CORP·Filed 1978·Granted Jun 19, 1979·6 cites·4 claims
- 4042US2007087884A1Hybrid engineFEV MOTORENTECH GMBH·Filed 2006·Application pending·0 cites
- 4141US6475112B2Engine torque control system based on the dynamic behavior of a driven automatic transmissionZF BATAVIA LLC·Filed 2001·Granted Nov 5, 2002·2 cites·1 claims
- 4241US3934080AApparatus for reading a disk-shaped record carrier to be played on a turntablePHILIPS CORP·Filed 1974·Granted Jan 20, 1976·3 cites·24 claims
- 4340US6307607B1Reflective liquid crystal display with integrated compensation for skew angle rotation and birefringence effectsPHILIPS ELECTRONICS NA·Filed 1999·Granted Oct 23, 2001·9 cites·15 claims
- 4439US5712634ADigital driving of matrix display driver by conversion and capacitive chargingPHILIPS ELECTRONICS NA·Filed 1995·Granted Jan 27, 1998·7 cites·13 claims
- 4538US7320654B2Ratio control system for an automatic transmission in a vehicleZAHNRADFABRIK FRIEDRICHSHAFEN·Filed 2004·Granted Jan 22, 2008·0 cites·9 claims
- 4637US5013384AVacuum systemPHILIPS CORP·Filed 1990·Granted May 7, 1991·14 cites·12 claims
- 4737US4034405ATelevision facsimile transmission systemPHILIPS CORP·Filed 1975·Granted Jul 5, 1977·3 cites·5 claims
- 4836US10044454B2Audio hub apparatus and systemDIRECT SOUND LLC·Filed 2016·Granted Aug 7, 2018·0 cites·20 claims
- 4936US5644357ABurst driving of single-panel displayPHILIPS ELECTRONICS NA·Filed 1994·Granted Jul 1, 1997·5 cites·7 claims
- 5036US4045812AColor television recording system employing frequency modulation and pulse width modulationPHILIPS CORP·Filed 1975·Granted Aug 30, 1977·3 cites·1 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →