CY

Changchun Yi

Overall (All Time): #1,877,572 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
D919157 Lamp Tiejun Wu, Qimeng He 2021-05-11
D919158 Lamp Tiejun Wu, Qimeng He 2021-05-11