Inventor · disambiguated record
William C. Alexander
Also filed as: ALEXANDER III WILLIAM · ALEXANDER III WILLIAM C · ALEXANDER WILLIAM · ALEXANDER WILLIAM C
96 granted patents·22 pending applications·1,606 citations·filing 1980–2024
99Inventor score
Files withIDEAL POWER INC70ALEXANDER WILLIAM C17IDEAL POWER CONVERTERS INC9INTEL CORP8BAE SYSTEMS INFORMATION7
Top patents by PatentIndex Score
118 records- 0199US10892354B2Field plates on two opposed surfaces of double-base bidirectional bipolar transistor: devices, methods, and systemsIDEAL POWER INC·Filed 2020·Granted Jan 12, 2021·11 cites·11 claims
- 0299US9647553B2Bidirectional two-base bipolar junction transistor operation, circuits, and systems with double base short at initial turn-offIDEAL POWER INC·Filed 2016·Granted May 9, 2017·17 cites·1 claims
- 0399US9397580B1Dual link power converterIDEAL POWER INC·Filed 2014·Granted Jul 19, 2016·46 cites·17 claims
- 0499US8400800B2Universal power converter with two input drive operations during each half-cycleALEXANDER WILLIAM C·Filed 2011·Granted Mar 19, 2013·46 cites·13 claims
- 0599US8395910B2Buck-boost power converter circuits, methods and systemsALEXANDER WILLIAM C·Filed 2011·Granted Mar 12, 2013·51 cites·7 claims
- 0699US8391033B2Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactanceALEXANDER WILLIAM C·Filed 2011·Granted Mar 5, 2013·32 cites·13 claims
- 0799US8345452B2Universal power converter with bidirectional switching devicesIDEAL POWER CONVERTERS INC·Filed 2011·Granted Jan 1, 2013·39 cites·9 claims
- 0899US7599196B2Universal power converterIDEAL POWER CONVERTERS INC·Filed 2007·Granted Oct 6, 2009·103 cites·6 claims
- 0998US11699746B2Ruggedized symmetrically bidirectional bipolar power transistorIDEAL POWER INC·Filed 2021·Granted Jul 11, 2023·4 cites·17 claims
- 1098US9369125B2Bidirectional two-base bipolar junction transistor operation, circuits, and systems with collector-side base drivenIDEAL POWER INC·Filed 2015·Granted Jun 14, 2016·12 cites·10 claims
- 1198US9356595B2Bidirectional two-base bipolar junction transistor devices, operation, circuits, and systems with collector-side base driven, diode-mode turn-on, double base short at initial turn-off, and two base junctions clamped by defaultIDEAL POWER INC·Filed 2015·Granted May 31, 2016·14 cites·19 claims
- 1298US9231582B1Bidirectional two-base bipolar junction transistor devices, operation, circuits, and systems with diode-mode turn-on and collector-side base drivenIDEAL POWER INC·Filed 2015·Granted Jan 5, 2016·14 cites·10 claims
- 1398US9209713B2Bidirectional bipolar junction transistor operation, circuits, and systems with two base junctions clamped by defaultIDEAL POWER INC·Filed 2015·Granted Dec 8, 2015·14 cites·20 claims
- 1498US9209798B2Bidirectional bipolar junction transistor operation, circuits, and systems with two base junctions clamped by defaultIDEAL POWER INC·Filed 2015·Granted Dec 8, 2015·14 cites·24 claims
- 1598US9203400B2Bidirectional two-base bipolar junction transistor operation, circuits, and systems with diode-mode turn-onIDEAL POWER INC·Filed 2015·Granted Dec 1, 2015·14 cites·6 claims
- 1698US9203401B2Bidirectional two-base bipolar junction transistor operation, circuits, and systems with double base short at initial turn-offIDEAL POWER INC·Filed 2015·Granted Dec 1, 2015·14 cites·4 claims
- 1798US9190894B2Bidirectional two-base bipolar junction transistor operation, circuits, and systems with collector-side base drivenIDEAL POWER INC·Filed 2015·Granted Nov 17, 2015·14 cites·6 claims
- 1898US9054706B2Systems, circuits, devices, and methods with bidirectional bipolar transistorsIDEAL POWER INC·Filed 2014·Granted Jun 9, 2015·20 cites·13 claims
- 1998US9029909B2Systems, circuits, devices, and methods with bidirectional bipolar transistorsIDEAL POWER INC·Filed 2014·Granted May 12, 2015·20 cites·19 claims
- 2098US8295069B2Power conversion with added pseudo-phaseALEXANDER WILLIAM C·Filed 2011·Granted Oct 23, 2012·36 cites·20 claims
- 2198US7778045B2Universal power conversion methodsIDEAL POWER CONVERTERS INC·Filed 2007·Granted Aug 17, 2010·72 cites·15 claims
- 2297US9818615B2Systems and methods for bidirectional device fabricationIDEAL POWER INC·Filed 2016·Granted Nov 14, 2017·15 cites·20 claims
- 2397US9374084B2Bidirectional two-base bipolar junction transistor operation, circuits, and systems with diode-mode turn-onIDEAL POWER INC·Filed 2015·Granted Jun 21, 2016·10 cites·8 claims
- 2497US9374085B2Bidirectional two-base bipolar junction transistor operation, circuits, and systems with double base short at initial turn-offIDEAL POWER INC·Filed 2015·Granted Jun 21, 2016·10 cites·6 claims
- 2597US9355853B2Systems and methods for bidirectional device fabricationIDEAL POWER INC·Filed 2014·Granted May 31, 2016·27 cites·20 claims
- 2697US9130461B2Universal power conversion methods with disconnect after drivingIDEAL POWER INC·Filed 2013·Granted Sep 8, 2015·17 cites·5 claims
- 2797US9059710B2Systems, circuits, devices, and methods with bidirectional bipolar transistorsIDEAL POWER INC·Filed 2014·Granted Jun 16, 2015·16 cites·6 claims
- 2897US9054707B2Systems, circuits, devices, and methods with bidirectional bipolar transistorsIDEAL POWER INC·Filed 2014·Granted Jun 9, 2015·15 cites·10 claims
- 2997US9035350B2Systems, circuits, devices, and methods with bidirectional bipolar transistorsIDEAL POWER INC·Filed 2014·Granted May 19, 2015·15 cites·20 claims
- 3096US10580885B1Field plates on two opposed surfaces of double-base bidirectional bipolar transistor: devices, methods, and systemsIDEAL POWER INC·Filed 2019·Granted Mar 3, 2020·11 cites·8 claims
- 3196US10418471B2Field plates on two opposed surfaces of double-base bidirectional bipolar transistor: devices, methods, and systemsIDEAL POWER INC·Filed 2017·Granted Sep 17, 2019·13 cites·14 claims
- 3296US10056372B2Double-base-connected bipolar transistors with passive components preventing accidental turn-onIDEAL POWER INC·Filed 2016·Granted Aug 21, 2018·15 cites·8 claims
- 3396US9899932B2Universal power conversion apparatusIDEAL POWER INC·Filed 2015·Granted Feb 20, 2018·9 cites·5 claims
- 3496US9799731B2Multi-level inverters using sequenced drive of double-base bidirectional bipolar transistorsIDEAL POWER INC·Filed 2016·Granted Oct 24, 2017·13 cites·16 claims
- 3596US9787298B2Operation of double-base bipolar transistors with additional timing phases at switching transitionsIDEAL POWER INC·Filed 2016·Granted Oct 10, 2017·15 cites·21 claims
- 3696US9742385B2Bidirectional semiconductor switch with passive turnoffIDEAL POWER INC·Filed 2016·Granted Aug 22, 2017·17 cites·15 claims
- 3796US9520764B1Bi-directional multi-port applicationsIDEAL POWER INC·Filed 2014·Granted Dec 13, 2016·57 cites·7 claims
- 3896US8300426B2Converter for enhanced efficiency power conversionALEXANDER WILLIAM C·Filed 2009·Granted Oct 30, 2012·37 cites·12 claims
- 3995US10497699B2Double-base-connected bipolar transistors with passive components preventing accidental turn-onIDEAL POWER INC·Filed 2018·Granted Dec 3, 2019·11 cites·9 claims
- 4095US10211283B2Operation of double-base bipolar transistors with additional timing phases at switching transitionsIDEAL POWER INC·Filed 2018·Granted Feb 19, 2019·11 cites·9 claims
- 4195US9900002B2Methods of operating a double-base-contact bidirectional bipolar junction transistorIDEAL POWER INC·Filed 2015·Granted Feb 20, 2018·13 cites·1 claims
- 4295US9742395B2Circuits, methods, and systems with optimized operation of double-base bipolar junction transistorsIDEAL POWER INC·Filed 2016·Granted Aug 22, 2017·11 cites·9 claims
- 4395US9660551B2Operating point optimization with double-base-contact bidirectional bipolar junction transistor circuits, methods, and systemsIDEAL POWER INC·Filed 2015·Granted May 23, 2017·10 cites·5 claims
- 4495US9444449B2Circuits, methods, and systems with optimized operation of double-base bipolar junction transistorsIDEAL POWER INC·Filed 2015·Granted Sep 13, 2016·10 cites·9 claims
- 4595US8406025B1Power conversion with added pseudo-phaseALEXANDER WILLIAM C·Filed 2012·Granted Mar 26, 2013·17 cites·5 claims
- 4694US9678519B1Voltage control modes for microgrid applicationsIDEAL POWER INC·Filed 2014·Granted Jun 13, 2017·14 cites·2 claims
- 4794US8451637B1Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactanceALEXANDER WILLIAM C·Filed 2012·Granted May 28, 2013·10 cites·9 claims
- 4894US8446043B1Photovoltaic array systems, methods, and devices and improved diagnostics and monitoringIDEAL POWER CONVERTERS INC·Filed 2012·Granted May 21, 2013·11 cites·5 claims
- 4993US9786773B2Thin-substrate double-base high-voltage bipolar transistorsIDEAL POWER INC·Filed 2016·Granted Oct 10, 2017·10 cites·4 claims
- 5093US9787304B2Methods, systems, and devices for active charge control diodesIDEAL POWER INC·Filed 2015·Granted Oct 10, 2017·10 cites·5 claims
Showing the top 50 of 118 patent records by PatentIndex Score.
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