Inventor · disambiguated record
Jean-Christophe Berchtold
Also filed as: BERCHTOLD JEAN · BERCHTOLD JEAN-CHRISTOPHE
22 granted patents·443 citations·filing 1970–2013
96Inventor score
Files withRF MICRO DEVICES INC6EASTMAN KODAK CO3LEVESQUE CHRIS3BERCHTOLD JEAN-CHRISTOPHE2SOUTHCOMBE WILLIAM DAVID2
Top patents by PatentIndex Score
22 records- 0197US8854019B1Hybrid DC/DC power converter with charge-pump and buck converterLEVESQUE CHRIS·Filed 2009·Granted Oct 7, 2014·130 cites·7 claims
- 0295US8571492B2DC-DC converter current sensingBERCHTOLD JEAN-CHRISTOPHE·Filed 2011·Granted Oct 29, 2013·33 cites·22 claims
- 0394US9577590B2Dual inductive element charge pump buck and buck power suppliesRF MICRO DEVICES INC·Filed 2013·Granted Feb 21, 2017·27 cites·23 claims
- 0494US8947157B2Voltage multiplier charge pump buckRF MICRO DEVICES INC·Filed 2013·Granted Feb 3, 2015·23 cites·21 claims
- 0593US8699973B2PA bias power supply efficiency optimizationSOUTHCOMBE WILLIAM DAVID·Filed 2011·Granted Apr 15, 2014·23 cites·22 claims
- 0692US9214865B2Voltage compatible charge pump buck and buck power suppliesLEVESQUE CHRIS·Filed 2011·Granted Dec 15, 2015·22 cites·27 claims
- 0791US8515361B2Frequency correction of a programmable frequency oscillator by propagation delay compensationLEVESQUE CHRIS·Filed 2011·Granted Aug 20, 2013·14 cites·28 claims
- 0888US9362825B2Look-up table based configuration of a DC-DC converterSOUTHCOMBE WILLIAM DAVID·Filed 2011·Granted Jun 7, 2016·10 cites·22 claims
- 0987US9184701B2Snubber for a direct current (DC)-DC converterRF MICRO DEVICES INC·Filed 2013·Granted Nov 10, 2015·11 cites·24 claims
- 1086US8913967B2Feedback based buck timing of a direct current (DC)-DC converterZIMLICH DAVID·Filed 2011·Granted Dec 16, 2014·11 cites·22 claims
- 1186US8811920B2DC-DC converter semiconductor die structureDEUCHARS ROBERT·Filed 2011·Granted Aug 19, 2014·16 cites·25 claims
- 1277US3999216AMaterial for magnetic transducer headsEASTMAN KODAK CO·Filed 1970·Granted Dec 21, 1976·18 cites·6 claims
- 1374US7928712B1Low noise fast dithering switching power supplyRF MICRO DEVICES INC·Filed 2007·Granted Apr 19, 2011·11 cites·24 claims
- 1474US4101348AProcess for preparing hot-pressed sintered alloysSPIN PHYSICS INC·Filed 1975·Granted Jul 18, 1978·15 cites·11 claims
- 1571US8750812B2Switchable vramp limiterRF MICRO DEVICES INC·Filed 2013·Granted Jun 10, 2014·3 cites·20 claims
- 1669US8538357B2Switchable VRAMP limiterPEDERSEN ERIK·Filed 2012·Granted Sep 17, 2013·4 cites·20 claims
- 1769US8525595B2Vramp limiting using resistorsBERCHTOLD JEAN-CHRISTOPHE·Filed 2012·Granted Sep 3, 2013·3 cites·20 claims
- 1865US4544974AAlumina glass composition and magnetic head incorporating sameEASTMAN KODAK CO·Filed 1983·Granted Oct 1, 1985·12 cites·11 claims
- 1958US5949218AMethods and apparatus for managing the charging and discharging of a lithium batteryCONEXANT SYSTEMS INC·Filed 1998·Granted Sep 7, 1999·40 cites·34 claims
- 2055US3948785AProcess of manufacturing ferrite materials with improved magnetic and mechanical propertiesBERCHTOLD JEAN·Filed 1973·Granted Apr 6, 1976·14 cites·10 claims
- 2147US8884703B2VRAMP limiting using resistorsRF MICRO DEVICES INC·Filed 2013·Granted Nov 11, 2014·0 cites·20 claims
- 2233US3989794AProcess of manufacturing ferrite bodies of low porosityEASTMAN KODAK CO·Filed 1973·Granted Nov 2, 1976·3 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →