PTC has been awarded a patent for "Current Mirror And Light Emitting Device With The Current Mirror" in Japan.

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PTC has been awarded a patent for "Oscillator" in Japan.

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R&D Center Mr. Jim Teng, Vicky Chiang and Rex Hsu have been awarded a patent for "Circuit testing apparatus" in China.

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R&D Center Mr. Jung Yen Kuo has been awarded a patent for "Voltage Level Shift Circuits" in Taiwan.

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R&D Center Mr. Brandon Hsu has been awarded a patent for "Single Phase Motor Driving Device" in Japan. 

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R&D Center Mr. De Yu Kao has been awarded a patent for "Data Transformation Device" in Japan. 

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R&D Center Mr. Leo Chou has been awarded a patent for "Memory Data Reading Circuit" in Japan. 

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R&D Center Mr. Adam Lin and Umi Huang have been awarded a patent for "Method for locking a track after an optical pickup of an optical disc drive passing through a defective section of an optical disc."

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R&D Center Mr. Alel Lin had been awarded a patent for "Correcting Apparatus And Clock Device Using The Same."

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R&D Center Mr. Jerry Chen, Albert Chung and Robert  Li have been awarded a patent for "Audio Amplifier Capable of Performing Self-Oscillation" in China.

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