Assignee
CHANG YEH-CHING
TW·3 granted patents·2 pending applications·14 citations·filing 2011–2024
Top patents by PatentIndex Score
5 records- 0187US10434632B2Tool connectorCHANG YEH CHING·Filed 2017·Granted Oct 8, 2019·10 cites·8 claims
- 0262US2025214208A1ScrewdriverCHANG YEH CHING·Filed 2024·Application pending·0 cites
- 0360US8915169B2Adjustable driving toolCHANG YEH-CHING·Filed 2013·Granted Dec 23, 2014·3 cites·15 claims
- 0453US8770071B2Electronic torque wrench with a rotatable display unitCHANG YEH-CHING·Filed 2011·Granted Jul 8, 2014·1 cites·9 claims
- 0539US2012255404A1Electronic torque wrench with a rotatable display unitCHANG YEH-CHING·Filed 2011·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →