Assignee
CHANG YU-CHUN
TW·1 granted patent·2 pending applications·8 citations·filing 2007–2013
Top patents by PatentIndex Score
3 records- 0176US8061642B2Cutter device for a crushing machineCHANG YU-CHUN·Filed 2009·Granted Nov 22, 2011·8 cites·6 claims
- 0239US2009001205A1Cutter device for a crushing machineCHANG YU-CHUN·Filed 2007·Application pending·0 cites
- 0336US2016205774A1Liquid glass applicationCHANG YU-CHUN·Filed 2013·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →