QY

Qinghua Yang

Overall (2018): #272,093 of 503,207Top 55%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9911617 Etching method Junjie Li, Junfeng Li, Jinbiao Liu, Xiaobin He 2018-03-06