Assignee
O2MICRO INT LTD
KY·210 granted patents·10 pending applications·6,332 citations·filing 1997–2010
Top patents by PatentIndex Score
220 records- 0199US6259615B1High-efficiency adaptive DC/AC converterO2MICRO INT LTD·Filed 1999·Granted Jul 10, 2001·279 cites·42 claims
- 0298US7119516B2Cordless power tool with tool identification circuitryO2MICRO INT LTD·Filed 2005·Granted Oct 10, 2006·214 cites·18 claims
- 0398US6675233B1Audio controller for portable electronic devicesO2MICRO INT LTD·Filed 2000·Granted Jan 6, 2004·306 cites·31 claims
- 0497US7847783B2Controller circuitry for light emitting diodesO2MICRO INT LTD·Filed 2005·Granted Dec 7, 2010·58 cites·28 claims
- 0597US6501234B2Sequential burst mode activation circuitO2MICRO INT LTD·Filed 2001·Granted Dec 31, 2002·140 cites·56 claims
- 0696US6781325B2Circuit structure for driving a plurality of cold cathode fluorescent lampsO2MICRO INT LTD·Filed 2003·Granted Aug 24, 2004·138 cites·32 claims
- 0796US6515881B2Inverter operably controlled to reduce electromagnetic interferenceO2MICRO INT LTD·Filed 2001·Granted Feb 4, 2003·132 cites·24 claims
- 0896US6329796B1Power management circuit for battery systemsO2MICRO INT LTD·Filed 2000·Granted Dec 11, 2001·213 cites·30 claims
- 0995US7081737B2Battery cell monitoring and balancing circuitO2MICRO INT LTD·Filed 2003·Granted Jul 25, 2006·109 cites·14 claims
- 1095US6570344B2Lamp grounding and leakage current detection systemO2MICRO INT LTD·Filed 2001·Granted May 27, 2003·140 cites·29 claims
- 1195US6531831B2Integrated circuit for lamp heating and dimming controlO2MICRO INT LTD·Filed 2001·Granted Mar 11, 2003·122 cites·11 claims
- 1294US8004246B2Battery cell monitoring and balancing circuitO2MICRO INT LTD·Filed 2010·Granted Aug 23, 2011·24 cites·13 claims
- 1394US7696725B2Battery cell monitoring and balancing circuitO2MICRO INT LTD·Filed 2006·Granted Apr 13, 2010·44 cites·20 claims
- 1494US7359998B2Low-power CD-ROM player with CD-ROM subsystem for portable computer capable of playing audio CDs without supply energy to CPUO2MICRO INT LTD·Filed 2006·Granted Apr 15, 2008·19 cites·35 claims
- 1594US7352155B2Apparatus and method for detecting battery pack voltageO2MICRO INT LTD·Filed 2006·Granted Apr 1, 2008·32 cites·22 claims
- 1694US7190123B2Circuit structure for driving a plurality of cold cathode fluorescent lampsO2MICRO INT LTD·Filed 2004·Granted Mar 13, 2007·67 cites·20 claims
- 1794US6856519B2Inverter controllerO2MICRO INT LTD·Filed 2002·Granted Feb 15, 2005·88 cites·7 claims
- 1894US6809938B2Inverter controllerO2MICRO INT LTD·Filed 2003·Granted Oct 26, 2004·72 cites·6 claims
- 1994US6104146ABalanced power supply circuit for multiple cold-cathode fluorescent lampsO2MICRO INT LTD·Filed 1999·Granted Aug 15, 2000·153 cites·16 claims
- 2093US6888338B1Portable computer and docking station having charging circuits with remote power sensing capabilitiesO2MICRO INT LTD·Filed 2003·Granted May 3, 2005·93 cites·14 claims
- 2192US7466104B2System and method for balancing cells in a battery pack with selective bypass pathsO2MICRO INT LTD·Filed 2006·Granted Dec 16, 2008·45 cites·26 claims
- 2292US6900993B2Inverter controllerO2MICRO INT LTD·Filed 2003·Granted May 31, 2005·52 cites·7 claims
- 2392US6470284B1Integrated PC card host controller for the detection and operation of a plurality of expansion cardsO2MICRO INT LTD·Filed 2000·Granted Oct 22, 2002·75 cites·9 claims
- 2492US5903764ASmart battery selector offering power conversion internally within a portable deviceO2MICRO INT LTD·Filed 1997·Granted May 11, 1999·196 cites·16 claims
- 2591US7615981B2Boost converter with enhanced control capabilities of emulating an inductor currentO2MICRO INT LTD·Filed 2004·Granted Nov 10, 2009·157 cites·40 claims
- 2691US7436222B2Circuit and method for trimming integrated circuitsO2MICRO INT LTD·Filed 2008·Granted Oct 14, 2008·14 cites·19 claims
- 2791US7425949B2Power supply for an LCD panelO2MICRO INT LTD·Filed 2005·Granted Sep 16, 2008·18 cites·7 claims
- 2891US7412553B2Enhanced protocol conversion system capable of providing offloaded protocol instruction processingO2MICRO INT LTD·Filed 2005·Granted Aug 12, 2008·28 cites·35 claims
- 2991US7120035B2Inverter controllerO2MICRO INT LTD·Filed 2003·Granted Oct 10, 2006·47 cites·10 claims
- 3091US7112943B2Enabling circuit for avoiding negative voltage transientsO2MICRO INT LTD·Filed 2005·Granted Sep 26, 2006·30 cites·16 claims
- 3191US6965221B2Controller for DC to DC converterO2MICRO INT LTD·Filed 2003·Granted Nov 15, 2005·59 cites·37 claims
- 3291US6226237B1Low power CD-ROM player for portable computerO2MICRO INT LTD·Filed 1998·Granted May 1, 2001·131 cites·42 claims
- 3391US5892336ACircuit for energizing cold-cathode fluorescent lampsO2MICRO INT LTD·Filed 1998·Granted Apr 6, 1999·102 cites·6 claims
- 3490US7904096B2GPS application using network assistanceO2MICRO INT LTD·Filed 2006·Granted Mar 8, 2011·37 cites·17 claims
- 3590US7557540B2Capacity measurement system for a battery with open circuit voltage detectionO2MICRO INT LTD·Filed 2006·Granted Jul 7, 2009·32 cites·16 claims
- 3690US6718274B2Integrated PC Card host controller for the detection and operation of a plurality of expansion cardsO2MICRO INT LTD·Filed 2002·Granted Apr 6, 2004·62 cites·8 claims
- 3790US6559606B1Lamp driving topologyO2MICRO INT LTD·Filed 2001·Granted May 6, 2003·118 cites·34 claims
- 3889US7825627B2Monitoring battery cell voltageO2MICRO INT LTD·Filed 2006·Granted Nov 2, 2010·7 cites·13 claims
- 3989US7515446B2High-efficiency adaptive DC/AC converterO2MICRO INT LTD·Filed 2005·Granted Apr 7, 2009·29 cites·20 claims
- 4089US7414381B2Charging circuit for parallel charging in multiple battery systemsO2MICRO INT LTD·Filed 2006·Granted Aug 19, 2008·30 cites·12 claims
- 4189US7150397B2Dual mode controller for ISO7816 and USB enabled smart cardsO2MICRO INT LTD·Filed 2005·Granted Dec 19, 2006·29 cites·18 claims
- 4289US7095217B1Method circuitry and electronic device for controlling a variable output dc power sourceO2MICRO INT LTD·Filed 2005·Granted Aug 22, 2006·16 cites·19 claims
- 4389US6498461B1Voltage mode, high accuracy battery chargerO2MICRO INT LTD·Filed 2001·Granted Dec 24, 2002·68 cites·28 claims
- 4488US7471016B2Low pass filterO2MICRO INT LTD·Filed 2006·Granted Dec 30, 2008·9 cites·21 claims
- 4587US7659672B2LED driverO2MICRO INT LTD·Filed 2006·Granted Feb 9, 2010·84 cites·16 claims
- 4687US7613258B2Apparatus and method for determining GPS tracking loop parameter based on SNR estimationO2MICRO INT LTD·Filed 2006·Granted Nov 3, 2009·18 cites·7 claims
- 4787US7372213B2Lamp current balancing topologiesO2MICRO INT LTD·Filed 2005·Granted May 13, 2008·20 cites·23 claims
- 4887US6897698B1Phase shifting and PWM driving circuits and methodsO2MICRO INT LTD·Filed 2003·Granted May 24, 2005·60 cites·4 claims
- 4987US6326771B1Buffer battery power supply systemO2MICRO INT LTD·Filed 2000·Granted Dec 4, 2001·78 cites·38 claims
- 5086US8376611B2Circuits and methods for temperature detectionO2MICRO INT LTD·Filed 2010·Granted Feb 19, 2013·7 cites·28 claims
Showing the top 50 of 220 patent records by PatentIndex Score.
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