Inventor
STEPHENS DENNIS L
US28 patents
⚠️ This page may combine multiple inventors who share the name “STEPHENS DENNIS L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
14 patentsUS7075273B2Jul 11, 2006
Automotive electrical system configuration using a two bus structure
MOTOROLA INC104 citations98
US5969483AOct 19, 1999
Inverter control method for electronic ballasts
MOTOROLA INC72 citations96
US5945788AAug 31, 1999
Electronic ballast with inverter control circuit
MOTOROLA INC65 citations96
US5834924ANov 10, 1998
In-rush current reduction circuit for boost converters and electronic ballasts
MOTOROLA INC67 citations94
US7095214B2Aug 22, 2006
Systems and method for boosting output of an alternator
MOTOROLA INC16 citations92
US5867017AFeb 2, 1999
Energy control system with remote switching
MOTOROLA INC26 citations92
US5767631AJun 16, 1998
Power supply and electronic ballast with low-cost inverter bootstrap power source
MOTOROLA INC50 citations92
US7005822B1Feb 28, 2006
Torque ripple reduction for a voltage mode motor controller
MOTOROLA INC29 citations91
US5457360AOct 10, 1995
Dimming circuit for powering gas discharge lamps
MOTOROLA INC24 citations90
US7193395B2Mar 20, 2007
Systems and method for boosting output of an alternator
MOTOROLA INC13 citations84
US5909365AJun 1, 1999
Leakage current power supply
MOTOROLA INC17 citations83
US5729098AMar 17, 1998
Power supply and electronic ballast with a novel boost converter control circuit
MOTOROLA INC14 citations74
US5608292AMar 4, 1997
Single transistor ballast with filament preheating
MOTOROLA INC11 citations74
US5495404AFeb 27, 1996
Multi-resonant inverter
MOTOROLA INC15 citations74
TEMIC AUTOMOTIVE NA INC
3 patentsUS7443142B2Oct 28, 2008
Active rectification of alternator output without using a position sensor
TEMIC AUTOMOTIVE NA INC18 citations84
US7271570B2Sep 18, 2007
Active rectification of alternator output without using a position sensor
TEMIC AUTOMOTIVE NA INC15 citations84
US7339327B2Mar 4, 2008
Resonant circuit for halogen lighting
TEMIC AUTOMOTIVE NA INC8 citations74
O'GORMAN PATRICK A
3 patentsCONTINENTAL AUTOMOTIVE SYSTEMS
2 patentsContinental automotive systems inc
2 patentsUS9509225B2Nov 29, 2016
Efficient LLC resonant converter having variable frequency control and fixed frequency phase-shift PWM
Continental automotive systems inc11 citations82
US9733288B2Aug 15, 2017
Apparatus and method for determining a resonant frequency of an LC circuit in situ, by comparing voltage and current polarity changes
Continental automotive systems inc0 citations42