Inventor
ALEXANDER WILLIAM C
US88 patents
⚠️ This page may combine multiple inventors who share the name “ALEXANDER WILLIAM C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
IDEAL POWER INC
36 patentsUS9054706B2Jun 9, 2015
Systems, circuits, devices, and methods with bidirectional bipolar transistors
IDEAL POWER INC20 citations96
US9029909B2May 12, 2015
Systems, circuits, devices, and methods with bidirectional bipolar transistors
IDEAL POWER INC20 citations96
US9520764B1Dec 13, 2016
Bi-directional multi-port applications
IDEAL POWER INC57 citations94
US9407133B1Aug 2, 2016
Active power conditioner
IDEAL POWER INC25 citations94
US9397580B1Jul 19, 2016
Dual link power converter
IDEAL POWER INC46 citations94
US9355853B2May 31, 2016
Systems and methods for bidirectional device fabrication
IDEAL POWER INC27 citations94
US9899932B2Feb 20, 2018
Universal power conversion apparatus
IDEAL POWER INC9 citations93
US9647553B2May 9, 2017
Bidirectional two-base bipolar junction transistor operation, circuits, and systems with double base short at initial turn-off
IDEAL POWER INC17 citations93
US9374084B2Jun 21, 2016
Bidirectional two-base bipolar junction transistor operation, circuits, and systems with diode-mode turn-on
IDEAL POWER INC10 citations93
US9374085B2Jun 21, 2016
Bidirectional two-base bipolar junction transistor operation, circuits, and systems with double base short at initial turn-off
IDEAL POWER INC10 citations93
US9369125B2Jun 14, 2016
Bidirectional two-base bipolar junction transistor operation, circuits, and systems with collector-side base driven
IDEAL POWER INC12 citations93
US9356595B2May 31, 2016
Bidirectional 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 default
IDEAL POWER INC14 citations93
US9231582B1Jan 5, 2016
Bidirectional two-base bipolar junction transistor devices, operation, circuits, and systems with diode-mode turn-on and collector-side base driven
IDEAL POWER INC14 citations93
US9209713B2Dec 8, 2015
Bidirectional bipolar junction transistor operation, circuits, and systems with two base junctions clamped by default
IDEAL POWER INC14 citations93
US9209798B2Dec 8, 2015
Bidirectional bipolar junction transistor operation, circuits, and systems with two base junctions clamped by default
IDEAL POWER INC14 citations93
US9203400B2Dec 1, 2015
Bidirectional two-base bipolar junction transistor operation, circuits, and systems with diode-mode turn-on
IDEAL POWER INC14 citations93
US9203401B2Dec 1, 2015
Bidirectional two-base bipolar junction transistor operation, circuits, and systems with double base short at initial turn-off
IDEAL POWER INC14 citations93
US9190894B2Nov 17, 2015
Bidirectional two-base bipolar junction transistor operation, circuits, and systems with collector-side base driven
IDEAL POWER INC14 citations93
US9130461B2Sep 8, 2015
Universal power conversion methods with disconnect after driving
IDEAL POWER INC17 citations93
US9059710B2Jun 16, 2015
Systems, circuits, devices, and methods with bidirectional bipolar transistors
IDEAL POWER INC16 citations93
US9054707B2Jun 9, 2015
Systems, circuits, devices, and methods with bidirectional bipolar transistors
IDEAL POWER INC15 citations93
US9035350B2May 19, 2015
Systems, circuits, devices, and methods with bidirectional bipolar transistors
IDEAL POWER INC15 citations93
US9124095B1Sep 1, 2015
Islanding detection in power converters
IDEAL POWER INC27 citations91
US10892354B2Jan 12, 2021
Field plates on two opposed surfaces of double-base bidirectional bipolar transistor: devices, methods, and systems
IDEAL POWER INC11 citations86
US10580885B1Mar 3, 2020
Field plates on two opposed surfaces of double-base bidirectional bipolar transistor: devices, methods, and systems
IDEAL POWER INC11 citations86
US10497699B2Dec 3, 2019
Double-base-connected bipolar transistors with passive components preventing accidental turn-on
IDEAL POWER INC11 citations84
US10418471B2Sep 17, 2019
Field plates on two opposed surfaces of double-base bidirectional bipolar transistor: devices, methods, and systems
IDEAL POWER INC13 citations84
US10211283B2Feb 19, 2019
Operation of double-base bipolar transistors with additional timing phases at switching transitions
IDEAL POWER INC11 citations84
US10056372B2Aug 21, 2018
Double-base-connected bipolar transistors with passive components preventing accidental turn-on
IDEAL POWER INC15 citations84
US9900002B2Feb 20, 2018
Methods of operating a double-base-contact bidirectional bipolar junction transistor
IDEAL POWER INC13 citations84
US9818615B2Nov 14, 2017
Systems and methods for bidirectional device fabrication
IDEAL POWER INC15 citations84
US9799731B2Oct 24, 2017
Multi-level inverters using sequenced drive of double-base bidirectional bipolar transistors
IDEAL POWER INC13 citations84
US9786773B2Oct 10, 2017
Thin-substrate double-base high-voltage bipolar transistors
IDEAL POWER INC10 citations84
US9787304B2Oct 10, 2017
Methods, systems, and devices for active charge control diodes
IDEAL POWER INC10 citations84
US9787298B2Oct 10, 2017
Operation of double-base bipolar transistors with additional timing phases at switching transitions
IDEAL POWER INC15 citations84
US9742395B2Aug 22, 2017
Circuits, methods, and systems with optimized operation of double-base bipolar junction transistors
IDEAL POWER INC11 citations84
ALEXANDER WILLIAM C
7 patentsUS8400800B2Mar 19, 2013
Universal power converter with two input drive operations during each half-cycle
ALEXANDER WILLIAM C46 citations98
US8395910B2Mar 12, 2013
Buck-boost power converter circuits, methods and systems
ALEXANDER WILLIAM C51 citations98
US8391033B2Mar 5, 2013
Power transfer devices, methods, and systems with crowbar switch shunting energy-transfer reactance
ALEXANDER WILLIAM C32 citations96
US8300426B2Oct 30, 2012
Converter for enhanced efficiency power conversion
ALEXANDER WILLIAM C37 citations96
US4318394AMar 9, 1982
Solar energy concentrator
ALEXANDER WILLIAM C61 citations96
US8406025B1Mar 26, 2013
Power conversion with added pseudo-phase
ALEXANDER WILLIAM C17 citations93
US8295069B2Oct 23, 2012
Power conversion with added pseudo-phase
ALEXANDER WILLIAM C36 citations93
IDEAL POWER CONVERTERS INC
4 patentsUS7778045B2Aug 17, 2010
Universal power conversion methods
IDEAL POWER CONVERTERS INC72 citations99
US7599196B2Oct 6, 2009
Universal power converter
IDEAL POWER CONVERTERS INC103 citations99
US8345452B2Jan 1, 2013
Universal power converter with bidirectional switching devices
IDEAL POWER CONVERTERS INC39 citations98
US8471408B2Jun 25, 2013
Photovoltaic array systems, methods, and devices with bidirectional converter
IDEAL POWER CONVERTERS INC18 citations92
BAE SYSTEMS INFORMATION
1 patentBUNDSCHUH PAUL
1 patentBUNDSCHUH PAUL A
1 patentShowing the top 50 of 88 patents by PatentIndex Score.