CC

Cho-Ying Chen

UN Unknown: 3 patents #7,366 of 83,584Top 9%
Overall (All Time): #648,086 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
9168338 Syringe with a blocking structure 2015-10-27
9044551 Safety syringe 2015-06-02
7946873 Plug with a spark meltdown-proof structure 2011-05-24
7794433 Assembly of plunger and needle hub safety syringe needle device 2010-09-14
7588451 Plug with a spark meltdown-proof structure 2009-09-15
7179243 Syringe with a snapping device for backward pulling the needle into the syringe after syringing 2007-02-20
6599270 Syringe with a snapping device for backward pulling the needle into the syringe after syringing 2003-07-29
6432082 Safety syringe 2002-08-13