Assignee
CHANG CHIH-CHANG
TW·2 granted patents·1 pending application·11 citations·filing 2006–2008
Top patents by PatentIndex Score
3 records- 0173US7425116B2Vane conducting device with graphic and textual displayCHANG CHIH-CHANG·Filed 2006·Granted Sep 16, 2008·9 cites·10 claims
- 0255US8072151B2Inverter circuitCHANG CHIH-CHANG·Filed 2008·Granted Dec 6, 2011·2 cites·7 claims
- 0340US2008266267A1Pen for touch pad of a laptopCHANG CHIH-CHANG·Filed 2007·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →