QC

Qingtang Chen

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #1,490,783 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9610413 Powder medicament mouthpiece and application Xin Chen 2017-04-04
9339614 Filtering powder medicament inhaler and application Xin Chen 2016-05-17
8978645 Dry powder aerosolized inhaler — 2015-03-17