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SUPERTEX INC
62 patents
Top patents by PatentIndex Score
US4345265AAug 17, 1982
MOS Power transistor with improved high-voltage capability
SUPERTEX INC183 citations99
US6958920B2Oct 25, 2005
Switching power converter and method of controlling output voltage thereof using predictive sensing of magnetic flux
SUPERTEX INC258 citations98
US6304461B1Oct 16, 2001
DC power converter having bipolar output and bi-directional reactive current transfer
SUPERTEX INC85 citations98
US7561452B2Jul 14, 2009
Transformer-isolated flyback converters and methods for regulating output current thereof
SUPERTEX INC68 citations97
US6781351B2Aug 24, 2004
AC/DC cascaded power converters having high DC conversion ratio and improved AC line harmonics
SUPERTEX INC137 citations97
US6169391B1Jan 2, 2001
Device for converting high voltage alternating current to low voltage direct current
SUPERTEX INC137 citations97
US6940733B2Sep 6, 2005
Optimal control of wide conversion ratio switching converters
SUPERTEX INC173 citations96
US4145703AMar 20, 1979
High power MOS device and fabrication method therefor
SUPERTEX INC135 citations96
US5815383ASep 29, 1998
High voltage start-up circuit and method therefor
SUPERTEX INC52 citations95
US4344081AAug 10, 1982
Combined DMOS and a vertical bipolar transistor device and fabrication method therefor
SUPERTEX INC159 citations95
US7723926B2May 25, 2010
Shunting type PWM dimming circuit for individually controlling brightness of series connected LEDS operated at constant current and method therefor
SUPERTEX INC49 citations94
US4402003AAug 30, 1983
Composite MOS/bipolar power device
SUPERTEX INC43 citations93
US4393391AJul 12, 1983
Power MOS transistor with a plurality of longitudinal grooves to increase channel conducting area
SUPERTEX INC47 citations93
US8013640B1Sep 6, 2011
Programmable ultrasound transmit beamformer integrated circuit and method
SUPERTEX INC25 citations92
US7564263B2Jul 21, 2009
High-speed logic signal level shifter
SUPERTEX INC26 citations92
US6525515B1Feb 25, 2003
Feedback apparatus and method for adaptively controlling power supplied to a hot-pluggable subsystem
SUPERTEX INC60 citations92
US5729418AMar 17, 1998
High voltage current limiting protection circuit and method therefor
SUPERTEX INC48 citations92
US5171705ADec 15, 1992
Self-aligned structure and process for DMOS transistor
SUPERTEX INC37 citations92
US4398339AAug 16, 1983
Fabrication method for high power MOS device
SUPERTEX INC37 citations92
US7513873B2Apr 7, 2009
Low-noise ultrasound method and beamformer system for doppler processing
SUPERTEX INC22 citations91
US7498754B2Mar 3, 2009
Architecture for driving multiple loads at constant current
SUPERTEX INC35 citations88
US6917504B2Jul 12, 2005
Apparatus and method for adaptively controlling power supplied to a hot-pluggable subsystem
SUPERTEX INC34 citations88
US6667583B2Dec 23, 2003
Method and apparatus for efficiently driving a low-voltage device from a wide-range input supply
SUPERTEX INC41 citations88
US6992509B2Jan 31, 2006
Switched-capacitor sample/hold having reduced amplifier slew-rate and settling time requirements
SUPERTEX INC20 citations85
US8358090B1Jan 22, 2013
Dimmer circuit for transformer—isolated LED driver and method therefor
SUPERTEX INC10 citations84
US6841950B1Jan 11, 2005
Dimmable electrolumanescent lamp drivers and method therefor
SUPERTEX INC13 citations84
US6087863AJul 11, 2000
Method for improving the efficiency of discharging capacitive loads in H-bridge switching networks
SUPERTEX INC23 citations84
US9000674B2Apr 7, 2015
Multiple stage sequential current regulator
SUPERTEX INC6 citations83
US7977820B2Jul 12, 2011
Ultrasound transmit pulse generator
SUPERTEX INC14 citations83
US7956653B1Jun 7, 2011
Complementary high voltage switched current source integrated circuit
SUPERTEX INC16 citations83
US7863836B2Jan 4, 2011
Control circuit and method for regulating average inductor current in a switching converter
SUPERTEX INC15 citations83
US7813048B2Oct 12, 2010
Inductorless electroactive lens driver and system
SUPERTEX INC15 citations83
US7986178B2Jul 26, 2011
Pulse width modulation driver for electroactive lens
SUPERTEX INC11 citations82
US7330364B2Feb 12, 2008
Device for converting high voltage alternating current (AC) to low voltage direct current (DC) and method therefor
SUPERTEX INC14 citations82
US6710773B2Mar 23, 2004
Inductorless method and apparatus for driving electroluminescent panels
SUPERTEX INC18 citations77
US7554378B2Jun 30, 2009
Fast DC coupled level translator
SUPERTEX INC7 citations74
US7538581B2May 26, 2009
Fast AC coupled level translator
SUPERTEX INC7 citations74
US7480191B2Jan 20, 2009
High speed logic level shifter
SUPERTEX INC7 citations73
US4937477AJun 26, 1990
Integrated mos high-voltage level-translation circuit, structure and method
SUPERTEX INC17 citations73
US4458262AJul 3, 1984
CMOS Device with ion-implanted channel-stop region and fabrication method therefor
SUPERTEX INC12 citations72
US4404477ASep 13, 1983
Detection circuit and structure therefor
SUPERTEX INC8 citations72
US4344002AAug 10, 1982
Detection circuit and structure therefor
SUPERTEX INC12 citations72
US9584009B2Feb 28, 2017
Line current reference generator
SUPERTEX INC2 citations70
US9621021B2Apr 11, 2017
Auxiliary power supplies in parallel with a switch of a switching regulator
SUPERTEX INC2 citations69
US7362253B2Apr 22, 2008
Introduction to R2RC D/A converter
SUPERTEX INC8 citations67
US7336122B2Feb 26, 2008
Low power high side current monitor which operates at high voltages and method therefor
SUPERTEX INC8 citations64
US7659756B2Feb 9, 2010
MOSFET transistor amplifier with controlled output current
SUPERTEX INC4 citations63
US7893714B2Feb 22, 2011
High voltage analog multiplex switch integrated circuit architecture
SUPERTEX INC4 citations62
US7948315B2May 24, 2011
Low noise binary-coded gain amplifier and method for time-gain compensation in medical ultrasound imaging
SUPERTEX INC6 citations61
US7889787B2Feb 15, 2011
Ultrasound transmit beamformer integrated circuit and method
SUPERTEX INC6 citations61
Showing the top 50 of 62 patents by PatentIndex Score.