Inventor · disambiguated record
Klaas-Jan De Langen
Also filed as: DE LANGEN KLAAS-JAN
12 granted patents·2 pending applications·121 citations·filing 1999–2020
89Inventor score
Files withKONINKL PHILIPS ELECTRONICS NV5NXP BV5PHILIPS CORP2FINGERPRINT CARDS AB1PHILIPS ELECTRONICS NO AMERICA1
Top patents by PatentIndex Score
14 records- 0193US6373233B2Low-dropout voltage regulator with improved stability for all capacitive loadsPHILIPS ELECTRONICS NO AMERICA·Filed 2000·Granted Apr 16, 2002·66 cites·10 claims
- 0274US9953204B2Fingerprint sensing system with sensing reference potential providing circuitryFINGERPRINT CARDS AB·Filed 2017·Granted Apr 24, 2018·3 cites·15 claims
- 0367US6542030B2Amplifier with stabilization meansKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Apr 1, 2003·13 cites·5 claims
- 0464US7245165B2Turn-on bus transmitter with controlled slew rateNXP BV·Filed 2003·Granted Jul 17, 2007·13 cites·15 claims
- 0551US6452418B1Level shifter with independent grounds and improved EME-isolationKONINKL PHILIPS ELECTRONICS NV·Filed 2001·Granted Sep 17, 2002·7 cites·13 claims
- 0647US6218894B1Voltage and/or current reference circuitPHILIPS CORP·Filed 1999·Granted Apr 17, 2001·10 cites·11 claims
- 0746US11424721B2RF amplifierNXP BV·Filed 2020·Granted Aug 23, 2022·0 cites·20 claims
- 0846US6366165B1Amplifier with stabilization meansPHILIPS CORP·Filed 1999·Granted Apr 2, 2002·9 cites·13 claims
- 0944US7138821B2Digital filter circuit and method for blocking a transmission line reflection signalKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Granted Nov 21, 2006·0 cites·6 claims
- 1044US2006140285A1Digital filter circuit and method for blocking a transmission line reflection signalKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Application pending·0 cites
- 1141US11520363B2System including a low drop-out regulator that provides supply voltage to digital logic controller configured to select mode of the low drop-out regulatorNXP BV·Filed 2020·Granted Dec 6, 2022·0 cites·20 claims
- 1238US8344740B2System for diagnosing impedances having accurate current source and accurate voltage level-shiftNXP BV·Filed 2005·Granted Jan 1, 2013·0 cites·18 claims
- 1332US11456745B2Apparatus including a level shifterNXP BV·Filed 2020·Granted Sep 27, 2022·0 cites·14 claims
- 1430US2006001447A1Level shifting circuit between isolated systemsKONINKL PHILIPS ELECTRONICS NV·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →