YD

Yunhai Du

NC Ningbo Yamao Optoelectronics Co.: 1 patents #6 of 7Top 90%
Overall (All Time): #2,921,620 of 4,157,543Top 75%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10148915 Lighting system with monitoring and alarm function Maojun Cao, Hu Fang, Bin Yu, Yinyong Zhou 2018-12-04