Assignee
O2MICRO INT LTD
BW210 patents
Top patents by PatentIndex Score
US7081737B2Jul 25, 2006
Battery cell monitoring and balancing circuit
O2MICRO INT LTD109 citations99
US6259615B1Jul 10, 2001
High-efficiency adaptive DC/AC converter
O2MICRO INT LTD279 citations99
US7847783B2Dec 7, 2010
Controller circuitry for light emitting diodes
O2MICRO INT LTD58 citations98
US7119516B2Oct 10, 2006
Cordless power tool with tool identification circuitry
O2MICRO INT LTD214 citations98
US6888338B1May 3, 2005
Portable computer and docking station having charging circuits with remote power sensing capabilities
O2MICRO INT LTD93 citations98
US6856519B2Feb 15, 2005
Inverter controller
O2MICRO INT LTD88 citations98
US6809938B2Oct 26, 2004
Inverter controller
O2MICRO INT LTD72 citations98
US6781325B2Aug 24, 2004
Circuit structure for driving a plurality of cold cathode fluorescent lamps
O2MICRO INT LTD138 citations98
US6675233B1Jan 6, 2004
Audio controller for portable electronic devices
O2MICRO INT LTD306 citations98
US6570344B2May 27, 2003
Lamp grounding and leakage current detection system
O2MICRO INT LTD140 citations98
US6501234B2Dec 31, 2002
Sequential burst mode activation circuit
O2MICRO INT LTD140 citations98
US6329796B1Dec 11, 2001
Power management circuit for battery systems
O2MICRO INT LTD213 citations98
US6226237B1May 1, 2001
Low power CD-ROM player for portable computer
O2MICRO INT LTD131 citations98
US6104146AAug 15, 2000
Balanced power supply circuit for multiple cold-cathode fluorescent lamps
O2MICRO INT LTD153 citations98
US5903764AMay 11, 1999
Smart battery selector offering power conversion internally within a portable device
O2MICRO INT LTD196 citations98
US7190123B2Mar 13, 2007
Circuit structure for driving a plurality of cold cathode fluorescent lamps
O2MICRO INT LTD67 citations97
US6531831B2Mar 11, 2003
Integrated circuit for lamp heating and dimming control
O2MICRO INT LTD122 citations97
US6515881B2Feb 4, 2003
Inverter operably controlled to reduce electromagnetic interference
O2MICRO INT LTD132 citations97
US7696725B2Apr 13, 2010
Battery cell monitoring and balancing circuit
O2MICRO INT LTD44 citations96
US7466104B2Dec 16, 2008
System and method for balancing cells in a battery pack with selective bypass paths
O2MICRO INT LTD45 citations96
US7120035B2Oct 10, 2006
Inverter controller
O2MICRO INT LTD47 citations96
US6999328B2Feb 14, 2006
Controller circuit supplying energy to a display device
O2MICRO INT LTD36 citations96
US6977482B2Dec 20, 2005
Selector circuit for power management in multiple battery systems
O2MICRO INT LTD48 citations96
US6965221B2Nov 15, 2005
Controller for DC to DC converter
O2MICRO INT LTD59 citations96
US6900993B2May 31, 2005
Inverter controller
O2MICRO INT LTD52 citations96
US6864669B1Mar 8, 2005
Power supply block with simplified switch configuration
O2MICRO INT LTD66 citations96
US6611129B2Aug 26, 2003
Voltage mode, high accuracy battery charger
O2MICRO INT LTD38 citations96
US6498461B1Dec 24, 2002
Voltage mode, high accuracy battery charger
O2MICRO INT LTD68 citations96
US6285161B1Sep 4, 2001
Battery cell charging system having voltage threshold and bleeder current generating circuits
O2MICRO INT LTD57 citations96
US7615965B2Nov 10, 2009
Power management system
O2MICRO INT LTD65 citations95
US7064521B2Jun 20, 2006
Charging circuit for parallel charging in multiple battery systems
O2MICRO INT LTD49 citations95
US7023709B2Apr 4, 2006
Power converter
O2MICRO INT LTD34 citations95
US6326771B1Dec 4, 2001
Buffer battery power supply system
O2MICRO INT LTD78 citations95
US6246215B1Jun 12, 2001
Buffer battery power supply system
O2MICRO INT LTD61 citations95
US7659672B2Feb 9, 2010
LED driver
O2MICRO INT LTD84 citations94
US7088076B2Aug 8, 2006
Power management for battery powered appliances
O2MICRO INT LTD49 citations94
US6897698B1May 24, 2005
Phase shifting and PWM driving circuits and methods
O2MICRO INT LTD60 citations94
US6741066B1May 25, 2004
Power management for battery powered appliances
O2MICRO INT LTD64 citations94
US6718274B2Apr 6, 2004
Integrated PC Card host controller for the detection and operation of a plurality of expansion cards
O2MICRO INT LTD62 citations94
US6470284B1Oct 22, 2002
Integrated PC card host controller for the detection and operation of a plurality of expansion cards
O2MICRO INT LTD75 citations94
US5892336AApr 6, 1999
Circuit for energizing cold-cathode fluorescent lamps
O2MICRO INT LTD102 citations94
US8022669B2Sep 20, 2011
Battery management system
O2MICRO INT LTD19 citations93
US7999554B2Aug 16, 2011
Single floating battery cell voltage level translator circuitry
O2MICRO INT LTD15 citations93
US7615981B2Nov 10, 2009
Boost converter with enhanced control capabilities of emulating an inductor current
O2MICRO INT LTD157 citations93
US7564220B2Jul 21, 2009
Method and electronic circuit for efficient battery wake up charging
O2MICRO INT LTD20 citations93
US7515446B2Apr 7, 2009
High-efficiency adaptive DC/AC converter
O2MICRO INT LTD29 citations93
US7425949B2Sep 16, 2008
Power supply for an LCD panel
O2MICRO INT LTD18 citations93
US7417382B2Aug 26, 2008
High-efficiency adaptive DC/AC converter
O2MICRO INT LTD36 citations93
US7352155B2Apr 1, 2008
Apparatus and method for detecting battery pack voltage
O2MICRO INT LTD32 citations93
US7202634B2Apr 10, 2007
Voltage mode, high accuracy battery charger
O2MICRO INT LTD25 citations93
Showing the top 50 of 210 patents by PatentIndex Score.