Inventor
LIU LIUSHENG
US25 patents
⚠️ This page may combine multiple inventors who share the name “LIU LIUSHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
O2MICRO INT LTD
13 patentsUS7081737B2Jul 25, 2006
Battery cell monitoring and balancing circuit
O2MICRO INT LTD109 citations99
US7696725B2Apr 13, 2010
Battery cell monitoring and balancing circuit
O2MICRO INT LTD44 citations96
US8004246B2Aug 23, 2011
Battery cell monitoring and balancing circuit
O2MICRO INT LTD24 citations92
US7180268B2Feb 20, 2007
Circuits capable of trickle precharge and/or trickle discharge
O2MICRO INT LTD21 citations92
US7557540B2Jul 7, 2009
Capacity measurement system for a battery with open circuit voltage detection
O2MICRO INT LTD32 citations88
US7589499B2Sep 15, 2009
Over voltage transient controller
O2MICRO INT LTD11 citations84
US7161520B2Jan 9, 2007
High precision analog to digital converter
O2MICRO INT LTD12 citations84
US7642750B2Jan 5, 2010
Battery charge/discharge control circuit
O2MICRO INT LTD14 citations83
US7808548B1Oct 5, 2010
Power management for digital devices
O2MICRO INT LTD17 citations81
US6930515B2Aug 16, 2005
Level shifting and level shifting amplifier circuits
O2MICRO INT LTD6 citations74
US7646169B2Jan 12, 2010
Trickle discharge for battery pack protection
O2MICRO INT LTD7 citations72
US7701177B2Apr 20, 2010
Battery pre-charging circuit comprising normal voltage and low voltage pre-charging circuits
O2MICRO INT LTD3 citations62
US6924667B2Aug 2, 2005
Level shifting and level-shifting amplifier circuits
O2MICRO INT LTD1 citations52