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O₂NEWS: PRESS RELEASES

04/26/10	O₂Micro Issued Patent for Vehicle Emissions Analysis System O₂Micro was issued 16 claims under United States patent number 7,668,643 for its Automatic Automotive Exhaust Emission data processing system.
04/19/10	O₂Micro Receives Ruling in ITC Case
04/07/10	Battery Protection Patent Granted to O₂Micro O₂Micro was issued 10 claims under United States patent number 7,646,169 for its Trickle Discharge for Battery Pack Protection invention.
02/17/10	O₂Micro Issued Patent for Voltage Reference Circuit O₂Micro was issued 19 claims under United States patent number 7,656,145 for its Low Power Bandgap Voltage Reference Circuit.
09/23/09	Patent Granted for O₂Micro's DC Power Output Architecture O₂Micro was issued 17 claims under United States patent number 7,583,067 for its Variable Power Output Regulator; a continuation of the invention issued August 2006 under United States patent number 7,095,217.
09/17/09	O₂Micro Settles ITC Case with BenQ and LG
09/14/09	Successful Outcome – Japanese High IP Court Upholds O₂Micro Patent
09/09/09	O₂Micro Receives Patent for Battery Charging Methodology O₂Micro was issued 25 claims under United States patent number 7,573,240 for its Battery Charging Method and Device.
09/02/09	O₂Micro's Power Management Topology Granted Patent O₂Micro was issued 26 claims under United States patent number 7,564,220 for its Power Management Topology.
09/01/09	Battery Capacity Measurement Patent Issued to O₂Micro O₂Micro was issued 16 claims under United States patent number 7,557,540 for its Battery Capacity Measurement System.
08/31/09	O₂Micro's Voltage Sensing Invention Patented O₂Micro was issued 20 claims under United States patent number 7,554,319 for its Voltage Sensing invention.
08/31/09	EEFL Protection System Patent Issued to O₂Micro O₂Micro was issued 35 claims under United States patent number 7,554,273 for its External Electrode Fluorescent Lamp (EEFL) System Protection architecture; a continuation of the invention issued July 2007 under patent number 7,248,240.
08/28/09	O₂Micro Granted Patent for CCFL Driving Circuit O₂Micro was issued 35 claims under United States patent number 7,550,928 for its Driving Circuit for multiple Cold Cathode Fluorescent lamp (CCFL) applications.
07/08/09	Patent for Oscillator Architecture Granted to O₂Micro O₂Micro was issued 24 claims under United States patent number 7,515,005 for its Variable Frequency Multi-phase Oscillator circuit.
07/07/09	O₂Micro Granted DC/DC Controller Patent O₂Micro was issued 18 claims under United States patent number 7,508,176 for its DC/DC Converter Controller.
07/06/09	Patent for Differential Load Driver Circuit Issued to O₂Micro O₂Micro was issued 20 claims under United States patent number 7,504,746 for its Differential Load Driver Circuit architecture.
07/01/09	Continuation of DC/DC Controller Patent Granted to O₂Micro O₂Micro was issued 19 claims under United States patent number 7,471,533 for its DC/DC Controller with improved transient response; a continuation of theinvention issued February 2006 under United States patent number 7,002,817.
06/17/09	O₂Micro's Battery Fuel Gauge Circuit Receives Patent O₂Micro was issued 17 claims under United States patent number 7,531,989 for its Battery Fuel Gauge Circuit.
06/08/09	O₂Micro's Adaptive DC/AC Converter Issued Patent O₂Micro was issued 20 claims under United States patent number 7,515,446 for its High Efficiency Adaptive DC/AC Converter Circuit.
06/08/09	Intelligent Inverter® Patent Granted to O₂Micro O₂Micro was issued 28 claims under United States patent number 7,515,445 for its High-efficiency Adaptive DC/AC Converter; a continuation of the invention issued May 2002 under patent number 6,396,722, issued at the same time as the original in Taiwan (under #152,318).
06/03/09	O₂Micro's DC/AC Inverter Invention Receives Patent O₂Micro was issued 21 claims under United States patent number 7,502,243 for its DC/AC Inverter with Adjustable Gate-source Voltage.
06/01/09	O₂Micro's Power Management System Receives Patent O₂Micro was issued 19 claims under United States patent number 7,498,694 for its Power Management System with Multiple Power Sources invention.
05/27/09	O₂Micro's Current-Mode Converter Issued Patent O₂Micro was issued 17 claims under United States patent number 7,498,793 for its Current-Mode DC/DC Converter.
05/23/09	O₂Micro Announces Technology License Agreement with Sanken Electric Co., Ltd. O₂Micro today announced that it has entered into a worldwide technology license agreement relating to O₂Micro’s patented inverter controller technology with Sanken Electric Co., Ltd. (“Sanken”).
05/07/09	O₂Micro Receives Patent for Battery Cell Balancing Methodology O₂Micro was issued was issued 26 claims under United States patent number 7,466,104 for its Battery Pack Multiple Cell Balancing system/method.
05/07/09	Patent for Low Pass Filtering Technique Granted to O₂Micro O₂Micro was issued was issued 21 claims under United States patent number 7,471,016 for its Low Pass Filtering technique.
04/27/09	Key LCD TV/LCD Monitor Patent Granted to O₂Micro O₂Micro was issued was issued 5 claims under United States patent number 7,477,024 for its Phase-on-demand® invention; a continuation of the invention issued March 2004 under United States patent number 6,707,264.
04/21/09	O₂Micro Granted Power Management Patent O₂Micro was issued was issued 16 claims under United States patent number 7,501,720 for its Selector Circuit for Power Management in Multiple Battery Systems; a continuation of the invention issued December 2005 under United States patent number 6,977,482.
04/20/09	O₂Micro Receives Selector Circuit Architecture Patent O₂Micro was issued 21 claims under United States patent number 7,489,110 for its Selector Circuit for Power Management in multiple battery systems; a continuation of the invention issued March 2006 under United States patent number 7,009,364.
04/08/09	O₂Micro Issued Patent for Class-D Amplifier Architecture O₂Micro was issued 26 claims under United States patent number 7,471,144 for its Low Distortion Class-D Amplifier architecture.
04/07/09	O₂Micro Granted Key Power Patent O₂Micro was issued 12 claims under United States patent number 7,466,113 for its Break-Before-Make (BBM) Sensing topology for drivers.
02/27/09	O₂Micro Announces Proposed Voluntary Withdrawal of Listing on the Main Board of the Stock Exchange of Hong Kong Limited
01/28/09	New DC/DC Architecture Patent Granted to O₂Micro O₂Micro was issued 19 claims under United States patent number 7,446,516 for its DC/DC with Improved Stability architecture.
01/20/09	Patent Granted for O₂Micro's PC/PDA Architecture O₂Micro was issued 31 claims under United States patent number 7,424,623 for its PC Integrated with a PDA architecture.
01/19/09	O₂Micro Granted Key Patent for System to Offload Converter/Controller-Specific Tasks O₂Micro was issued 35 claims under United States patent number 7,412,553 for its System and Method for Offloading Converter/Controller-specific tasks to a system microprocessor; a continuation of the invention issued September 2005 under United States patent number 6,941,405.
11/14/08	O₂Micro's Industry Leading Precision Circuit Trimming Method Receives Patent O₂Micro was issued 19 claims under United States patent number 7,436,222 for its Precision Trimming Method for integrated circuits; a continuation of the invention issued January 2006 under United States patent number 7,319,346.
10/08/08	Patent Issued for O₂Micro's LCD Panel Power Supply Architecture O₂Micro was issued 7 claims under United States patent number 7,425,949 for its LCD Panel Power Supply architecture.
09/10/08	Patent Issued for O₂Micro's Battery Charging Architecture O₂Micro was issued 12 claims under United States patent number 7,414,381 for its Battery Charging Architecture; a continuation of the invention issued June 2006 under United States patent number 7,064,521.
09/03/08	O₂Micro's Power Delivery System Receives Patent O₂Micro was issued 27 claims under United States patent number 7,411,374 for its Charging Circuitry Architecture and Power Control Method.
09/02/08	Patent Office Approves O₂Micro's Photoflash Diode Invention O₂Micro was issued 21 claims under United States patent number 7,375,472 for its Photoflash Diode driver invention.
08/27/08	Patent for DC/DC Converter Controller Issued to O₂Micro O₂Micro was issued 6 claims under United States patent number 7,304,866 for its DC/DC Converter Controller invention.
08/26/08	FPGA Architecture Patent Granted to O₂Micro O₂Micro was issued 21 claims under United States patent number 7,391,237 for its Field Programmable Gate Array (FPGA) Architecture Upgrade.
08/21/08	O₂Micro Granted Patent for Cordless Power Tool Invention O₂Micro was issued 8 claims under United States patent number 7,385,795 for its Cordless Power Tool invention.
08/04/08	O₂Micro's Industry Leading Precision Circuit Trimming Method Issued Patent O₂Micro was issued 14 claims under United States patent number 7,319,346 for its Precision Trimming Method, also referred to as DigitalLaserTrim™, for integrated circuits; a continuation of the invention issued April 2004 under United States patent number 6,720,800.
07/17/08	O₂Micro Receives Linear Voltage Regulator Patent O₂Micro was issued 11 claims under United States patent number 7,391,191 for its Switching Resistance Linear Regulator architecture.
07/14/08	O₂Micro Receives Smart Card Patent Continuation O₂Micro was issued 21 claims under United States patent number 7,337,259 for its Smart Card Virtual Hub invention; a continuation of the invention issued December 2005 under patent number 6,978,335.
06/17/08	Fundamental Power Control Methodology Patent Issued to O₂Micro O₂Micro was issued 8 claims under United States patent number 7,378,896 for its Single Pin for Multiple Functional Control methodology.
06/16/08	O₂Micro's Lamp Current Topology Receives Patent O₂Micro was issued 23 claims under United States patent number 7,372,213 for its Lamp Current Balancing topology.
06/11/08	Key Power Converter Patent Granted to O₂Micro O₂Micro was issued 14 claims under United States patent number 7,365,995 for its Power Converter design; a continuation of the invention issued April 2006 under patent number 7,023,709.
06/09/08	O₂Micro's Enhanced Power Switch Device Receives Patent Grant O₂Micro was issued 12 claims under United States patent number 7,365,454 for its Power Switch design.
06/05/08	O₂Micro Granted Low-Power Audio CD Player Patent O₂Micro was issued 35 claims under United States patent number 7,359,998 for its Low-Power Audio CD Player invention; a continuation of the invention issued October 2006 under United States patent number 7,130,930.
06/04/08	O₂Micro's Battery Voltage Detection Invention Receives Patent O₂Micro was issued 22 claims under United States patent number 7,352,155 for its Apparatus and Method for Detecting Battery Pack Voltage.
06/03/08	O₂Micro's ExpressCard Power Switch Device Receives Patent O₂Micro was issued 30 claims under United States patent number 7,343,498 for its ExpressCard™ Power Switch architecture.
06/02/08	O₂Micro Granted Patent for PC/PDA Architecture O₂Micro was issued 18 claims under United States patent number 7,343,484 for its PC Integrated with a PDA architecture.
05/30/08	Patent Office Approves O₂Micro's Power Conservation Methodology O₂Micro was issued 5 claims under United States patent number 7,340,621 for its Power Conservation Techniques for a digital computer.
05/06/08	Power Management System Patent Granted to O₂Micro O₂Micro was issued 8 claims under United States patent number 7,348,760 for its Power Management Topology.
05/05/08	LCD TV/LCD Monitor System Patent Granted to O₂Micro O₂Micro was issued 20 claims under United States patent number 7,345,431 for its DC/AC Converter circuit architecture; a continuation of the invention issued March 2007 under patent number 7,190,123.
04/23/08	O₂Micro Issued Patent for LED String Driver Architecture O₂Micro was issued 10 claims under United States patent number 7,339,323 for its LED String Driver Architecture.
03/27/08	O₂Micro's LED Technology Brightens Future O₂Micro is pleased to announce that several of the top-tier notebook computer manufacturers have chosen O₂Micro's LED Backlight drivers for their high-end models.
03/20/08	O₂Micro Granted Patent for Test Card Invention O₂Micro was issued 19 claims under United States patent number 7,331,001 for its Test Card invention.
03/18/08	O₂Micro's New ADC Architecture Gets Patent Office Nod O₂Micro was issued 28 claims under United States patent number 7,324,037 for its Analog-to-Digital Converter (ADC) architecture with Interference Rejection capability.
03/17/08	LDO Voltage Regulator Patent Granted to O₂Micro O₂Micro was issued 23 claims under United States patent number 7,323,853 for its Low Drop-Out (LDO) Voltage Regulator architecture.
02/28/08	O₂Micro Settles with Rohm
02/27/08	O₂Micro Issued Smart Card Controller Patent O₂Micro was issued 8 claims under United States patent number 7,309,021 for its Dual Mode Smart Card Controller architecture; a continuation of the invention issued December 2006 under United States patent number 7,150,397.
02/26/08	Integrated Controller Architecture Patent Issued to O₂Micro O₂Micro was issued 6 claims under United States patent number 7,292,946 for its Integrated Controller Detection and Operation architecture; a continuation of the invention issued April 2004 under United States patent number 6,718,274.
02/20/08	Sense Amplifier Architecture Patent Granted to O₂Micro O₂Micro was issued 3 claims under United States patent number 7,268,520 for its Sense Amplifier for Wake-Up Charging Current architecture.
02/19/08	O₂Micro Receives Patent for Open Lamp Detection Invention O₂Micro was issued 14 claims under United States patent number 7,253,569 for its External Electrode Fluorescent Lamp (EEFL) Open Lamp Detection invention.
02/07/08	O₂Micro Granted Key Power Management Patent O₂Micro was issued 13 claims under United States patent number 7,202,650 for its DC/DC Controller technology; a continuation of the invention issued November 2005 under United States patent number 6,965,221.
01/22/08	Intelligent Adapter Architecture Patent Granted to O₂Micro O₂Micro was issued 19 claims under United States patent number 7,126,241 for its Intelligent Adapter architecture.
01/21/08	O₂Micro Granted Patent for Battery Gas Gauge Architecture O₂Micro was issued 20 claims under United States patent number 7,095,211 for its Battery Gas Gauge invention.