HZ

Heshang Zhang

TC Tianjin Hemay Bio-Tech Co.: 1 patents #4 of 7Top 60%
Overall (All Time): #3,231,720 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8318942 Process for preparing Donepezil and its derivatives 2012-11-27