Inventor · disambiguated record
John Norton Park
Also filed as: PARK JOHN · PARK JOHN N · PARK JOHN NORTON
42 granted patents·4 pending applications·1,632 citations·filing 1974–2012
98Inventor score
Files withGEN ELECTRIC36HENNESSY MICHAEL J2CAGGIANO ROBERT JOSEPH1KEIMEL CHRISTOPHER FRED1KOSTE GLEN PETER1
Top patents by PatentIndex Score
46 records- 0198US7643256B2Electromechanical switching circuitry in parallel with solid state switching circuitry selectively switchable to carry a load appropriate to such circuitryGEN ELECTRIC·Filed 2006·Granted Jan 5, 2010·69 cites·24 claims
- 0298US5414238AResonant power supply for an arcjet thrusterMARTIN MARIETTA CORP·Filed 1992·Granted May 9, 1995·147 cites·2 claims
- 0398US4541041AFull load to no-load control for a voltage fed resonant inverterGEN ELECTRIC·Filed 1983·Granted Sep 10, 1985·158 cites·6 claims
- 0495US8659326B1Switching apparatus including gating circuitry for actuating micro-electromechanical system (MEMS) switchesGEN ELECTRIC·Filed 2012·Granted Feb 25, 2014·15 cites·28 claims
- 0595US4672528AResonant inverter with improved controlGEN ELECTRIC·Filed 1986·Granted Jun 9, 1987·109 cites·12 claims
- 0694US5270657ASplit gradient amplifier for an MRI systemGEN ELECTRIC·Filed 1992·Granted Dec 14, 1993·117 cites·25 claims
- 0793US8050000B2Micro-electromechanical system based arc-less switching with circuitry for absorbing electrical energy during a fault conditionGEN ELECTRIC·Filed 2010·Granted Nov 1, 2011·11 cites·20 claims
- 0891US4329630ASingle transistor power control circuit for a DC motor washing machine driveGEN ELECTRIC·Filed 1980·Granted May 11, 1982·51 cites·18 claims
- 0990US8101898B2Optically gated MEMS switchKOSTE GLEN PETER·Filed 2009·Granted Jan 24, 2012·19 cites·22 claims
- 1089US7542250B2Micro-electromechanical system based electric motor starterGEN ELECTRIC·Filed 2007·Granted Jun 2, 2009·19 cites·28 claims
- 1189US4876635ASeries resonant inverter with lossless snubber-resetting componentsGEN ELECTRIC·Filed 1988·Granted Oct 24, 1989·62 cites·9 claims
- 1288US8144445B2Micro-electromechanical system based switchingCAGGIANO ROBERT JOSEPH·Filed 2007·Granted Mar 27, 2012·21 cites·8 claims
- 1388US7619325B1Ring configuration for compact power supply of power electronicsHENNESSY MICHAEL J·Filed 2005·Granted Nov 17, 2009·27 cites·19 claims
- 1487US3940682ARectifier circuits using transistors as rectifying elementsGEN ELECTRIC·Filed 1974·Granted Feb 24, 1976·34 cites·2 claims
- 1586US7554222B2Micro-electromechanical system based switchingGEN ELECTRIC·Filed 2007·Granted Jun 30, 2009·15 cites·20 claims
- 1685US8358488B2Micro-electromechanical system based switchingGEN ELECTRIC·Filed 2007·Granted Jan 22, 2013·13 cites·17 claims
- 1785US5359180APower supply system for arcjet thrustersGEN ELECTRIC·Filed 1992·Granted Oct 25, 1994·110 cites·5 claims
- 1884US7332835B1Micro-electromechanical system based switching module serially stackable with other such modules to meet a voltage ratingGEN ELECTRIC·Filed 2006·Granted Feb 19, 2008·13 cites·18 claims
- 1984US6031746ASwitching amplifier for generating continuous arbitrary waveforms for magnetic resonance imaging coilsGEN ELECTRIC·Filed 1998·Granted Feb 29, 2000·60 cites·13 claims
- 2083US7903382B2MEMS micro-switch array based on current limiting enabled circuit interrupting apparatusGEN ELECTRIC·Filed 2007·Granted Mar 8, 2011·12 cites·10 claims
- 2183US4318165AResonant-flyback power supply with filament winding for magnetron and the like loadsGEN ELECTRIC·Filed 1980·Granted Mar 2, 1982·47 cites·14 claims
- 2282US9076607B2System with circuitry for suppressing arc formation in micro-electromechanical system based switchPREMERLANI WILLIAM JAMES·Filed 2007·Granted Jul 7, 2015·12 cites·26 claims
- 2382US5663647ASwitching gradient amplifier with adjustable DC bus voltageGEN ELECTRIC·Filed 1995·Granted Sep 2, 1997·53 cites·8 claims
- 2481US4670832AResonant inverter having improved control at enablementGEN ELECTRIC·Filed 1986·Granted Jun 2, 1987·41 cites·14 claims
- 2578US4961054AGradient current speed-up circuit for high-speed NMR imaging systemGEN ELECTRIC·Filed 1989·Granted Oct 2, 1990·23 cites·12 claims
- 2677US7876538B2Micro-electromechanical system based arc-less switching with circuitry for absorbing electrical energy during a fault conditionGEN ELECTRIC·Filed 2006·Granted Jan 25, 2011·7 cites·20 claims
- 2772US7473859B2Gating voltage control system and method for electrostatically actuating a micro-electromechanical deviceGEN ELECTRIC·Filed 2007·Granted Jan 6, 2009·7 cites·18 claims
- 2872US5867356ACurrent limiting system and methodGEN ELECTRIC·Filed 1997·Granted Feb 2, 1999·26 cites·17 claims
- 2970US4951185AResonant inverter employing frequency and phase modulation using optimal trajectory controlGEN ELECTRIC·Filed 1989·Granted Aug 21, 1990·29 cites·9 claims
- 3070US4374355AElectrically isolated battery charger for on-board electric vehicle applicationsGEN ELECTRIC·Filed 1981·Granted Feb 15, 1983·33 cites·1 claims
- 3165US6118643AModular surge suppression system and methodSHIN KUI HWAN·Filed 1999·Granted Sep 12, 2000·28 cites·43 claims
- 3265US5995400AUninterruptible power supply system with removable front panel display and control moduleXS TECHNOLOGIES INC·Filed 1998·Granted Nov 30, 1999·44 cites·34 claims
- 3364US4339671AProportional base drive circuitGEN ELECTRIC·Filed 1980·Granted Jul 13, 1982·13 cites·7 claims
- 3463US5608771AContactless power transfer system for a rotational loadGEN ELECTRIC·Filed 1995·Granted Mar 4, 1997·115 cites·7 claims
- 3562US8054589B2Switch structure and associated circuitGEN ELECTRIC·Filed 2009·Granted Nov 8, 2011·3 cites·20 claims
- 3662US5063349ATransformer-coupled gradient speed-up circuitGEN ELECTRIC·Filed 1990·Granted Nov 5, 1991·22 cites·15 claims
- 3759US7633725B2Micro-electromechanical system based soft switchingGEN ELECTRIC·Filed 2005·Granted Dec 15, 2009·3 cites·27 claims
- 3854US7369377B1Snubbers for low temperature power electronicsHENNESSY MICHAEL J·Filed 2005·Granted May 6, 2008·2 cites·11 claims
- 3954US4347464AFET Motor drive systemGEN ELECTRIC·Filed 1981·Granted Aug 31, 1982·14 cites·4 claims
- 4046US5352861AResonant high-voltage pulser for arcjet thruster ignitionGEN ELECTRIC·Filed 1992·Granted Oct 4, 1994·14 cites·8 claims
- 4143US4969076ALoad compensating gain control for a series resonant inverterGEN ELECTRIC·Filed 1989·Granted Nov 6, 1990·9 cites·7 claims
- 4243US4540894APeak turn-on current limiting base driveGEN ELECTRIC·Filed 1983·Granted Sep 10, 1985·5 cites·5 claims
- 4343US2008310058A1Mems micro-switch array based current limiting arc-flash eliminatorGEN ELECTRIC·Filed 2007·Application pending·0 cites
- 4442US2008211347A1Circuit System With Supply Voltage For Driving An Electromechanical SwitchWRIGHT JOSHUA ISAAC·Filed 2007·Application pending·0 cites
- 4538US2007139829A1Micro-electromechanical system based arc-less switchingGEN ELECTRIC·Filed 2005·Application pending·0 cites
- 4629US2011316608A1Switching array and methods of manufacturing and operationKEIMEL CHRISTOPHER FRED·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →