O2Micro Issued Japan Patent for Key Battery Power Invention

O2Micro Issued Japan Patent for Key Battery Power Invention

Tuesday July 1, 8:33 am ET


SANTA CLARA, Calif. & GEORGE TOWN, Grand Cayman--(BUSINESS WIRE)--July 1, 2003--O2Micro® International Limited (Nasdaq:OIIM - News), a leading supplier of innovative power management and security ICs to mobile computer and communications manufacturers, was granted 28 claims under Japan patent number 3,428,955 for its Buffer Battery Power Supply System.

The Buffer Battery Power Supply System provides a measurement scheme to monitor power delivered to the active system, ensuring system-power integrity. This integrated circuit provides a smooth, analog method of shifting available power first to the active system then to the battery as needed. The circuit guarantees that all power not utilized by the active system is used to charge the battery, providing faster battery charging times and maximum battery charge capacity. In addition, the measurement and control circuitry in the IC guarantee that battery power and current limits are not exceeded, thus assuring maximum battery safety.


"This patent grant broadens O2Micro's development of faster, more efficient Intelligent Charger designs for portable communication markets," said Dr. Alex Hartular, O2Micro's vice president of the Intelligent Power business unit.


About O2Micro


Founded in April 1995, O2Micro designs, develops and markets innovative power management and security components for mobile communication, computer, information appliance, and LCD products. Products include AudioDJ®, SmartCardBus® for secure on line e-commerce, Intelligent Lighting and Battery Management IC's.


O2Micro International maintains an extensive portfolio of intellectual property with 1144 patent claims granted, and over 4500 more pending. The company maintains offices worldwide. Additional company and product information can be found on the company website at www.o2micro.com.


Statements made in this release that are not historical, including statements regarding O2Micro's or management's intentions, hopes, beliefs, expectations, representations, projections, plans or predictions of the future, are forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Such statements involve risks and uncertainties that may cause actual results to differ materially from those set forth in these statements. Factors that could cause actual results to differ materially include risks and uncertainties such as reduced demand for products of electronic equipment manufacturers which include O2Micro's products due to adverse economic conditions in general or specifically affecting O2Micro's markets, technical difficulties and delays in the development process, and errors in the products. You are also referred to the documents filed by O2Micro with the SEC from time to time, including but not limited to the Form F-1 in connection with the company's initial public offering in August 2000, which identify important risk factors that could cause actual results to differ from those contained in the forward-looking statements.





Grace Louh, 408/987-5920, Ext. 8051




Source: O2Micro