Inventor · disambiguated record
Johannes Hendrik Wessels
Also filed as: WESSELS JOHANNES H · WESSELS JOHANNES HENDRIK
17 granted patents·2 pending applications·248 citations·filing 1965–2008
94Inventor score
Top patents by PatentIndex Score
19 records- 0191US7463070B2Switching device for driving LED array by pulse-shaped current modulationKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Dec 9, 2008·52 cites·2 claims
- 0289US6636005B2Architecture of ballast with integrated RF interfaceKONINK PHILIPS ELETRONICS N V·Filed 2001·Granted Oct 21, 2003·59 cites·26 claims
- 0386US7714699B2Antenna through the use of lamp electrodesKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Granted May 11, 2010·14 cites·12 claims
- 0469US6094015AIllumination unit and liquid crystal display devicePHILIPS CORP·Filed 1998·Granted Jul 25, 2000·40 cites·8 claims
- 0559US5243261AModulated high frequency dimmer circuit with infrared suppressionPHILIPS CORP·Filed 1992·Granted Sep 7, 1993·20 cites·21 claims
- 0658US7429830B2Power control of a fluorescent lampKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Granted Sep 30, 2008·2 cites·5 claims
- 0754US2009072761A1Switching device for driving led array by pulse-shaped current modulationKONINKL PHILIPS ELECTRONICS NV·Filed 2008·Application pending·0 cites
- 0853US5563474AElectrodeless low-pressure discharge lampPHILIPS CORP·Filed 1995·Granted Oct 8, 1996·12 cites·27 claims
- 0950US6118225AHigh frequency discharge lamp operating circuit with resonant power factor correction circuitPHILIPS CORP·Filed 1995·Granted Sep 12, 2000·19 cites·18 claims
- 1047US6411044B2Switching deviceKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Jun 25, 2002·10 cites·5 claims
- 1146US7657235B2Communication network with arrangement for replacing a malfunctioning active master with a new active masterKONINKL PHILIPS ELECTRONICS NV·Filed 2004·Granted Feb 2, 2010·0 cites·19 claims
- 1239US6366027B1Circuit device for operating a discharge lamp by means of a high-frequency currentPHILIPS CORP·Filed 2000·Granted Apr 2, 2002·4 cites·10 claims
- 1339US2007183133A1Mains wire antenna for wireless interface applicationsKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Application pending·0 cites
- 1438US5142201ALamp ballast circuitPHILIPS CORP·Filed 1991·Granted Aug 25, 1992·7 cites·18 claims
- 1533US6392353B1Circuit device for dimming a discharge lampKONINKL PHILIPS ELECTRONICS NV·Filed 2000·Granted May 21, 2002·1 cites·7 claims
- 1633US5892327ACircuit arrangement for operating a discharge lampPHILIPS CORP·Filed 1997·Granted Apr 6, 1999·4 cites·12 claims
- 1733US3947880AMagnetic recording and reproducing apparatus with tape tension controlPHILIPS CORP·Filed 1965·Granted Mar 30, 1976·3 cites·11 claims
- 1829US6285171B1DC-DC converterPHILIPS CORP·Filed 2000·Granted Sep 4, 2001·0 cites·3 claims
- 1929US5206564ACircuit for controlling light output of a discharge lampPHILIPS CORP·Filed 1991·Granted Apr 27, 1993·1 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →