CZ

Chenhai ZHAO

Overall (All Time): #1,718,980 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12330425 Ink cartridge Jinghua HE, Min Liu, Heng Zhang 2025-06-17
11440328 Ink cartridge having inner container and processing method therefor Baohai Li 2022-09-13