Assignee
CHANG CHUN-CHENG
TW·1 granted patent·2 pending applications·47 citations·filing 2001–2011
Top patents by PatentIndex Score
3 records- 0187US6523836B1Wheel assembly for roller skateCHANG CHUN-CHENG·Filed 2001·Granted Feb 25, 2003·47 cites·8 claims
- 0236US2012181714A1Method for manufacturing master plate for optical discCHANG CHUN-CHENG·Filed 2011·Application pending·0 cites
- 0335US2012156625A1Nano-fabrication methodCHANG CHUN-CHENG·Filed 2010·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →