XY

Xiquan Yang

O2 O2Micro: 1 patents #68 of 154Top 45%
Overall (All Time): #3,287,457 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7710317 Method for GPS positioning in a weak signal environment MingQiang Cheng, Cheng Li, Bo Yu, Shijie LI, Yi Zeng 2010-05-04