Assignee
LIU YANFEI
CN·1 granted patent·1 pending application·11 citations·filing 2007–2011
Top patents by PatentIndex Score
2 recordsCounts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →
Assignee
CN·1 granted patent·1 pending application·11 citations·filing 2007–2011
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →