Inventor · disambiguated record
Jean-Luc Lamarche
Also filed as: LAMARCHE JEAN L · LAMARCHE JEAN LUC
13 granted patents·100 citations·filing 1977–2005
91Inventor score
Top patents by PatentIndex Score
13 records- 0172US7561000B2Oscillator circuit for a sensorIFM ELECTRONIC GMBH·Filed 2005·Granted Jul 14, 2009·10 cites·16 claims
- 0264US5229653AElectronic switch apparatusIFM ELECTRONIC GMBH·Filed 1991·Granted Jul 20, 1993·19 cites·18 claims
- 0355US6356202B1Circuit for monitoring trouble-free state and/or detecting incorrect state of an installationIFM ELECTRONIC GMBH·Filed 1998·Granted Mar 12, 2002·13 cites·15 claims
- 0454US5977662AElectronic switching device and circuits with a plurality of such switching devicesIFM ELECTRONIC GMBH·Filed 1997·Granted Nov 2, 1999·13 cites·13 claims
- 0551US7439638B2Electronic proximity switching deviceIFM ELECTRONIC GMBH·Filed 2004·Granted Oct 21, 2008·3 cites·8 claims
- 0648US4551637AElectronic monitoring system with direct-current power supplyIFM ELECTRONIC GMBH·Filed 1983·Granted Nov 5, 1985·7 cites·17 claims
- 0747US4543497AElectronic monitoring system with selective signal inversionIFM ELECTRONIC GMBH·Filed 1983·Granted Sep 24, 1985·7 cites·8 claims
- 0844US5367198AProximity detector with error-preventing ambient condition compensationIFM ELECTRONIC GMBH·Filed 1991·Granted Nov 22, 1994·11 cites·7 claims
- 0935US5825233AElectronic proximity switching deviceIFM ELECTRONIC GMBH·Filed 1996·Granted Oct 20, 1998·7 cites·21 claims
- 1035US4918326AElectronic switchgear, preferably operating contact-freeIFM ELECTRONIC GMBH·Filed 1988·Granted Apr 17, 1990·3 cites·15 claims
- 1135US4879474AContact-free operating electronic switchgearIFM ELECTRONIC GMBH·Filed 1988·Granted Nov 7, 1989·3 cites·16 claims
- 1230US4093926ASystem for advancing an electrical signal in phase under the control of an external voltage more especially for an engine of a motor vehicleTHOMSON CSF·Filed 1977·Granted Jun 6, 1978·1 cites·1 claims
- 1323US5066954AAnalog to digital converter with reference voltage control and analog style displayIFM ELECTRONIC GMBH·Filed 1990·Granted Nov 19, 1991·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →