Assignee
CHANG CHING-TSUNG
3 granted patents·1 pending application·52 citations·filing 1999–2005
Top patents by PatentIndex Score
4 records- 0187USD433318SClipCHANG CHING-TSUNG·Filed 1999·Granted Nov 7, 2000·36 cites·1 claims
- 0264US7007936B2Spring clampCHANG CHING-TSUNG·Filed 2003·Granted Mar 7, 2006·12 cites·8 claims
- 0350US6978986B2Clamping deviceCHANG CHING-TSUNG·Filed 2003·Granted Dec 27, 2005·4 cites·7 claims
- 0446US2007048149A1Oil suction pumpCHANG CHING-TSUNG·Filed 2005·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →