Assignee
CHEN CHO-YING
6 granted patents·1 pending application·14 citations·filing 2003–2013
Top patents by PatentIndex Score
7 records- 0155US7794433B2Assembly of plunger and needle hub safety syringe needle deviceCHEN CHO-YING·Filed 2007·Granted Sep 14, 2010·1 cites·4 claims
- 0250US7179243B2Syringe with a snapping device for backward pulling the needle into the syringe after syringingCHEN CHO YING·Filed 2003·Granted Feb 20, 2007·9 cites·6 claims
- 0348US7588451B2Plug with a spark meltdown-proof structureCHEN CHO-YING·Filed 2007·Granted Sep 15, 2009·3 cites·5 claims
- 0442US7946873B2Plug with a spark meltdown-proof structureCHEN CHO-YING·Filed 2008·Granted May 24, 2011·1 cites·3 claims
- 0541US9168338B2Syringe with a blocking structureCHEN CHO-YING·Filed 2013·Granted Oct 27, 2015·0 cites·10 claims
- 0639US9044551B2Safety syringeCHEN CHO-YING·Filed 2012·Granted Jun 2, 2015·0 cites·7 claims
- 0735US2010185147A1Disposable safety syringe structureCHEN CHO-YING·Filed 2010·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when CHEN CHO-YING files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →