Inventor
SULLIVAN CHARLES R
US38 patents
⚠️ This page may combine multiple inventors who share the name “SULLIVAN CHARLES R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
VOLTERRA SEMICONDUCTOR CORP
19 patentsUS7352269B2Apr 1, 2008
Method for making magnetic components with N-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP122 citations98
US7498920B2Mar 3, 2009
Method for making magnetic components with N-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP71 citations97
US7317305B1Jan 8, 2008
Method and apparatus for multi-phase DC-DC converters using coupled inductors in discontinuous conduction mode
VOLTERRA SEMICONDUCTOR CORP102 citations97
US7525408B1Apr 28, 2009
Method for making magnetic components with N-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP36 citations95
US8350658B1Jan 8, 2013
Method for making magnetic components with N-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP18 citations92
US7965165B2Jun 21, 2011
Method for making magnetic components with M-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP19 citations92
US7898379B1Mar 1, 2011
Method for making magnetic components with N-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP19 citations92
US7859238B1Dec 28, 2010
Method and apparatus for multi-phase DC-DC converters using coupled inductors in discontinuous conduction mode
VOLTERRA SEMICONDUCTOR CORP21 citations92
US7772955B1Aug 10, 2010
Method for making magnetic components with N-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP18 citations92
US7548046B1Jun 16, 2009
Method and apparatus for multi-phase DC-DC converters using coupled inductors in discontinuous conduction mode
VOLTERRA SEMICONDUCTOR CORP38 citations92
US7864016B1Jan 4, 2011
Method for making magnetic components with N-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP14 citations88
US8847722B2Sep 30, 2014
Method for making magnetic components with N-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP8 citations84
US7893806B1Feb 22, 2011
Method for making magnetic components with N-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP12 citations84
US8836461B2Sep 16, 2014
Method for making magnetic components with M-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP6 citations83
US8786395B2Jul 22, 2014
Method for making magnetic components with M-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP6 citations83
US8779885B2Jul 15, 2014
Method for making magnetic components with M-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP6 citations83
US7746209B1Jun 29, 2010
Method for making magnetic components with N-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP10 citations83
US9147515B2Sep 29, 2015
Method for making magnetic components with M-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP1 citations62
US9019064B2Apr 28, 2015
Method for making magnetic components with M-phase coupling, and related inductor structures
VOLTERRA SEMICONDUCTOR CORP0 citations52
DARTMOUTH COLLEGE
8 patentsUS10109413B2Oct 23, 2018
Multilayer conductors with integrated capacitors and associated systems and methods
DARTMOUTH COLLEGE8 citations84
US7164100B2Jan 16, 2007
High-frequency de-icing of cableways
DARTMOUTH COLLEGE13 citations84
US9659706B2May 23, 2017
Methods for making radially anisotropic thin-film magnetic torroidal cores
DARTMOUTH COLLEGE2 citations70
US10707011B2Jul 7, 2020
Multilayer conductors with integrated capacitors and associated systems and methods
DARTMOUTH COLLEGE1 citations62
US11783986B2Oct 10, 2023
Resonant coils with integrated capacitance
DARTMOUTH COLLEGE1 citations59
US12230437B2Feb 18, 2025
Freeze-cast magnetic flake composites
DARTMOUTH COLLEGE0 citations54
US11862378B2Jan 2, 2024
Resonant coils with integrated capacitance
DARTMOUTH COLLEGE0 citations53
US8760135B2Jun 24, 2014
High-efficiency base-driver circuit for power bipolar junction transistors
DARTMOUTH COLLEGE0 citations31
LUTRON ELECTRONICS CO
5 patentsUS5173643ADec 22, 1992
Circuit for dimming compact fluorescent lamps
LUTRON ELECTRONICS CO199 citations98
US5001386AMar 19, 1991
Circuit for dimming gas discharge lamps without introducing striations
LUTRON ELECTRONICS CO204 citations98
US5041763AAug 20, 1991
Circuit and method for improved dimming of gas discharge lamps
LUTRON ELECTRONICS CO131 citations97
US5864212AJan 26, 1999
Control system for providing power to a gas discharge lamp
LUTRON ELECTRONICS CO60 citations96
US5841239ANov 24, 1998
Circuit for dimming compact fluorescent lamps
LUTRON ELECTRONICS CO67 citations96