QY

Qingfeng Yin

SI Sinopec Engineering Incorporation: 1 patents #14 of 43Top 35%
Overall (All Time): #2,557,297 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12181105 Processing apparatus, corrugated plate, and storage container Fengqi Li, Jian Zhang, Ying Wei, Xiangao Feng, Wei He +3 more 2024-12-31