PC

Pi-Yao Chieh

AC Asia Optical Co.: 1 patents #175 of 366Top 50%
Overall (All Time): #3,427,551 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7102300 Ballast device with built-in power supply and operation thereof Chang-Feng Wang 2006-09-05