HS

Haiming Sang

Overall (All Time): #1,417,762 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11518178 Rotary printing integrated ink box for seal printing Ge Gan, Song Li 2022-12-06
11474758 Intelligent seal with cloud computing-based anti-forgery capability, enables printing the seal with degree rotation which improving printing speed and efficiency Ge Gan, Song Li 2022-10-18
11390069 Seal printer Ge Gan, Song Li 2022-07-19