WY

Weifeng Yi

Overall (All Time): #3,047,521 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9005661 Osmotic pump controlled release tablet and preparation method thereof Qingwei Jiang, Quanzhi Liu, Wenbin Yang, Junli Zheng 2015-04-14