Inventor · disambiguated record
David J. Kachmarik
Also filed as: KACHMARIK DAVID · KACHMARIK DAVID J · KACHMARIK DAVID JOSEPH
33 granted patents·1 pending application·709 citations·filing 1988–2018
98Inventor score
Top patents by PatentIndex Score
34 records- 0191US6459215B1Integral lampGEN ELECTRIC·Filed 2000·Granted Oct 1, 2002·62 cites·22 claims
- 0289US5889373AFluorescent lamp ballast with current feedback using a dual-function magnetic deviceGEN ELECTRIC·Filed 1996·Granted Mar 30, 1999·84 cites·17 claims
- 0386US5488269AMulti-resonant boost high power factor circuitGEN ELECTRIC·Filed 1995·Granted Jan 30, 1996·71 cites·14 claims
- 0484US5408403APower supply circuit with power factor correctionGEN ELECTRIC·Filed 1992·Granted Apr 18, 1995·68 cites·19 claims
- 0582US8644998B2Pre-programmed energy management ballast or driverNERONE LOUIS ROBERT·Filed 2011·Granted Feb 4, 2014·5 cites·20 claims
- 0680US7908037B2Pre-programmed energy management ballast or driverGEN ELECTRIC·Filed 2009·Granted Mar 15, 2011·6 cites·17 claims
- 0778US6686705B2Ballast circuit with multiple inverters and dimming controllerGEN ELECTRIC·Filed 2002·Granted Feb 3, 2004·22 cites·14 claims
- 0878US5629581ALamp cathode-to-ballast interconnect and methodGEN ELECTRIC·Filed 1995·Granted May 13, 1997·34 cites·12 claims
- 0977US7772780B2Lamp igniter module and transformer carrierGEN ELECTRIC·Filed 2006·Granted Aug 10, 2010·9 cites·9 claims
- 1073US5719471AThree-way dimming circuit for compact fluorescent lampGEN ELECTRIC·Filed 1996·Granted Feb 17, 1998·44 cites·14 claims
- 1171US5712536AReduced bus voltage integrated boost high power factor circuitGEN ELECTRIC·Filed 1995·Granted Jan 27, 1998·47 cites·18 claims
- 1270US8749161B2Compact fluorescent lamp and LED light source with electronic components in baseNERONE LOUIS ROBERT·Filed 2010·Granted Jun 10, 2014·2 cites·39 claims
- 1370US5703440ACompact fluorescent lamp and ballast arrangement with inductor directly between lamp endsGEN ELECTRIC·Filed 1996·Granted Dec 30, 1997·34 cites·18 claims
- 1468US6465972B1Electronic elimination of striations in linear lampsGEN ELECTRIC·Filed 2001·Granted Oct 15, 2002·12 cites·19 claims
- 1568US5691598AFluorescent lamp with thermal heat shield between lamp tube and ballast circuitryGEN ELECTRIC·Filed 1995·Granted Nov 25, 1997·23 cites·17 claims
- 1666US8072308B2High voltage transformer and a novel arrangement/method for hid automotive headlampsABOUMRAD TONY·Filed 2007·Granted Dec 6, 2011·5 cites·19 claims
- 1766US5917289ALamp ballast with triggerless starting circuitGEN ELECTRIC·Filed 1997·Granted Jun 29, 1999·28 cites·16 claims
- 1861US5723953AHigh voltage IC-driven half-bridge gas discharge lamp ballastGEN ELECTRIC·Filed 1996·Granted Mar 3, 1998·22 cites·15 claims
- 1960US5807121AJunction component for connecting the electrical leads of a printed circuit board and a separate electrical unitGEN ELECTRIC·Filed 1996·Granted Sep 15, 1998·21 cites·11 claims
- 2056US6756746B2Method of delaying and sequencing the starting of inverters that ballast lampsGEN ELECTRIC·Filed 2002·Granted Jun 29, 2004·6 cites·38 claims
- 2153US5719472AHigh voltage IC-driven half-bridge gas discharge ballastGEN ELECTRIC·Filed 1996·Granted Feb 17, 1998·18 cites·17 claims
- 2252US6525488B2Self-oscillating synchronous boost converterGEN ELECTRIC·Filed 2001·Granted Feb 25, 2003·9 cites·17 claims
- 2351US5357173ABallast circuit arrangement for a high pressure sodium lampGEN ELECTRIC·Filed 1992·Granted Oct 18, 1994·13 cites·7 claims
- 2448US5367228AHigh-pressure sodium lamp control circuit providing constant peak current and colorGEN ELECTRIC·Filed 1992·Granted Nov 22, 1994·12 cites·12 claims
- 2547US7102298B2Integral lampGEN ELECTRIC·Filed 2002·Granted Sep 5, 2006·2 cites·10 claims
- 2644US5483125ABallast circuit for a gas discharge lamp having a cathode pre-heat arrangementGEN ELECTRIC·Filed 1993·Granted Jan 9, 1996·10 cites·13 claims
- 2743US4831507AFrequency controlled preloadRELIANCE COMM TEC CORP·Filed 1988·Granted May 16, 1989·9 cites·13 claims
- 2842US6621238B2Power factor correction circuit with faster bus charging rate during startupGEN ELECTRIC·Filed 2002·Granted Sep 16, 2003·4 cites·14 claims
- 2942US6150769AGas discharge lamp ballast with tapless feedback circuitGEN ELECTRIC·Filed 1999·Granted Nov 21, 2000·8 cites·12 claims
- 3040US6057648AGas discharge lamp ballast with piezoelectric transformerGEN ELECTRIC·Filed 1998·Granted May 2, 2000·7 cites·8 claims
- 3139US2020025573A1Positioning system and method using lamp fixture indicatorGEN ELECTRIC·Filed 2018·Application pending·0 cites
- 3236US5914570ACompact lamp circuit structure having an inverter/boaster combination that shares the use of a first n-channel MOSFET of substantially lower on resistance than its p-channel counterpartGEN ELECTRIC·Filed 1997·Granted Jun 22, 1999·5 cites·5 claims
- 3335US5357174AFeedback-controlled circuit and method for powering a high intensity discharge lampGEN ELECTRIC·Filed 1992·Granted Oct 18, 1994·5 cites·19 claims
- 3433US5834884ASystematic configuration of compact fluorescent lamps for operation in a single-type ballastGEN ELECTRIC·Filed 1996·Granted Nov 10, 1998·2 cites·4 claims
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