Assignee
SUN YANFENG
CN·1 granted patent·1 pending application·4 citations·filing 2015–2018
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·4 citations·filing 2015–2018
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →