YL

Yongshan Li

📍 Qingdao, CN: #389 of 2,087 inventorsTop 20%
Overall (All Time): #1,488,789 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D778833 Electronic ballast Renjie Zhang, Xin Yang 2017-02-14
D766824 Electronic ballast Renjie Zhang, Xin Yang 2016-09-20
D766825 Electronic ballast Renjie Zhang, Xin Yang 2016-09-20