Assignee
CHEN YI-JHEN
TW·3 granted patents·20 citations·filing 2010–2017
Top patents by PatentIndex Score
3 records- 0184US8413549B2Revolving screwdriver with ratchet structureCHEN YI JHEN·Filed 2010·Granted Apr 9, 2013·14 cites·4 claims
- 0277US10150221B1Utility knife assembly with two bladesCHEN YI JHEN·Filed 2017·Granted Dec 11, 2018·6 cites·6 claims
- 0340US8764214B2Handy riveter deviceCHEN YI-JHEN·Filed 2012·Granted Jul 1, 2014·0 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →