Assignee
O2MICRO INC
US123 patents
Top patents by PatentIndex Score
US8378589B2Feb 19, 2013
Driving circuit with dimming controller for driving light sources
O2MICRO INC136 citations99
US8378588B2Feb 19, 2013
Circuits and methods for driving light sources
O2MICRO INC110 citations98
US8044608B2Oct 25, 2011
Driving circuit with dimming controller for driving light sources
O2MICRO INC108 citations98
US7919936B2Apr 5, 2011
Driving circuit for powering light sources
O2MICRO INC53 citations98
US5619402AApr 8, 1997
Higher-efficiency cold-cathode fluorescent lamp power supply
O2MICRO INC234 citations98
US8890440B2Nov 18, 2014
Circuits and methods for driving light sources
O2MICRO INC77 citations97
US7126289B2Oct 24, 2006
Protection for external electrode fluorescent lamp system
O2MICRO INC48 citations96
US9781793B2Oct 3, 2017
Controlling brightness and color temperature of light sources
O2MICRO INC23 citations94
US9386653B2Jul 5, 2016
Circuits and methods for driving light sources
O2MICRO INC32 citations94
US6778415B2Aug 17, 2004
Controller electrical power circuit supplying energy to a display device
O2MICRO INC20 citations93
US7965061B2Jun 21, 2011
Conversion systems with balanced cell currents
O2MICRO INC22 citations92
US7173402B2Feb 6, 2007
Low dropout voltage regulator
O2MICRO INC35 citations92
US6968468B2Nov 22, 2005
Digital computer utilizing buffer to store and output data to play real time applications enabling processor to enter deep sleep state while buffer outputs data
O2MICRO INC20 citations92
US6895448B2May 17, 2005
Low-power audio CD player for portable computers
O2MICRO INC44 citations92
US5671368ASep 23, 1997
PC card controller circuit to detect exchange of PC cards while in suspend mode
O2MICRO INC99 citations92
US9071049B2Jun 30, 2015
System and methods for protection of battery modules
O2MICRO INC24 citations91
US8044815B2Oct 25, 2011
Systems and methods for battery status indication
O2MICRO INC30 citations91
US7969043B2Jun 28, 2011
Power management systems with multiple power sources
O2MICRO INC42 citations90
US7750604B2Jul 6, 2010
Circuits and methods for battery charging
O2MICRO INC18 citations88
US11677260B2Jun 13, 2023
Managing power in a portable device comprising multiple batteries
O2MICRO INC10 citations86
US10553915B1Feb 4, 2020
Systems and methods for configuring parameters for charging a battery pack
O2MICRO INC11 citations86
US10348101B2Jul 9, 2019
Systems and methods for controlling battery current
O2MICRO INC5 citations84
US10277052B2Apr 30, 2019
Controlling power delivery to a battery
O2MICRO INC8 citations84
US9253843B2Feb 2, 2016
Driving circuit with dimming controller for driving light sources
O2MICRO INC17 citations84
US8384390B2Feb 26, 2013
Systems and methods for determining battery capacity level
O2MICRO INC12 citations84
US8040341B2Oct 18, 2011
Brightness control system
O2MICRO INC12 citations84
US8040071B2Oct 18, 2011
Circuits and methods for driving light sources
O2MICRO INC10 citations84
US7218083B2May 15, 2007
Low drop-out voltage regulator with enhanced frequency compensation
O2MICRO INC16 citations84
US8350532B2Jan 8, 2013
Power management systems
O2MICRO INC8 citations83
US7868483B2Jan 11, 2011
Power management systems with current sensors
O2MICRO INC15 citations83
US11699915B2Jul 11, 2023
Controller and battery management methods
O2MICRO INC5 citations82
US9647556B2May 9, 2017
DC to DC converters and controllers thereof
O2MICRO INC15 citations82
US9130378B2Sep 8, 2015
Systems and methods for balancing battery cells
O2MICRO INC5 citations82
US7973515B2Jul 5, 2011
Power management systems with controllable adapter output
O2MICRO INC18 citations82
US9929573B2Mar 27, 2018
Modules, systems, and methods for battery balancing
O2MICRO INC5 citations81
US9368979B2Jun 14, 2016
System and methods for battery balancing
O2MICRO INC8 citations81
US7973514B2Jul 5, 2011
Battery cell balancing systems using current regulators
O2MICRO INC9 citations81
US11211812B2Dec 28, 2021
Controller and battery management methods
O2MICRO INC8 citations80
US11360150B2Jun 14, 2022
Fault detection for battery management systems
O2MICRO INC2 citations73
US11303137B2Apr 12, 2022
Systems and methods for controlling battery current
O2MICRO INC3 citations73
US11032881B2Jun 8, 2021
Controller for controlling light source module
O2MICRO INC4 citations73
US11009553B2May 18, 2021
Fault detection for battery management systems
O2MICRO INC2 citations73
US10978867B2Apr 13, 2021
Battery protection systems
O2MICRO INC2 citations73
US10714947B2Jul 14, 2020
Systems and methods for controlling battery current
O2MICRO INC3 citations73
US10541542B2Jan 21, 2020
System and method for charging a battery pack
O2MICRO INC2 citations73
US9274178B2Mar 1, 2016
Apparatus and method for detecting battery abnormality and cause thereof
O2MICRO INC3 citations73
US8344794B2Jan 1, 2013
Signal monitoring systems
O2MICRO INC5 citations73
US8344790B2Jan 1, 2013
Circuits and methods for controlling a charge pump system
O2MICRO INC6 citations73
US11930568B2Mar 12, 2024
Controller for controlling a light source module
O2MICRO INC2 citations72
US11469453B2Oct 11, 2022
Open cell detection systems and methods
O2MICRO INC1 citations72
Showing the top 50 of 123 patents by PatentIndex Score.