ZL

Zhengchun Li

SC Sunland Information Technology Co.: 2 patents #8 of 21Top 40%
Overall (All Time): #1,896,287 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10762879 Piano system and method thereof Xiaolu Liu 2020-09-01
10535328 Automatic playing system Xiaolu Liu 2020-01-14