QS

Qun Song

📍 Shanghai, CA: #32 of 87 inventorsTop 40%
Overall (2002): #136,713 of 266,432Top 55%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6369517 Infrared inductive light switch using triac trigger-control and early-charging-peak current limiter with adjustable power consumption Jian Li, Fang Xie 2002-04-09