PTC has been awarded "Method for Reducing Offset Voltage of Operational Amplifier and the Circuit Using the Same" in ROC.

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PTC has been awarded "Product Verification System" in China.

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PTC has been awarded "Circuit Testing Apparatus" in USA.

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PTC has been awarded "Control Devices and Methods" in USA.

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PTC has been awarded "Control Devices and Methods" in ROC.

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PTC has been awarded "Audio Playing Systems" in USA.

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PTC has been awarded "ESD of Large Size Output Citcuit" in ROC.

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PTC has been awarded "ESD Protecting Circuit" in ROC.

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PTC has been awarded "Runout Detection Method" in ROC.

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PTC has been awarded "Test System" in USA.

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