Inventor · disambiguated record
Chenhai Zhao
Also filed as: ZHAO CHENHAI
2 granted patents·1 pending application·0 citations·filing 2020–2022
23Inventor score
Technology areasB41J
Files withSPEED INFOTECH BEIHAI COMPANY LTD3
Top patents by PatentIndex Score
3 records- 0157US12330425B2Ink cartridgeSPEED INFOTECH BEIHAI COMPANY LTD·Filed 2022·Granted Jun 17, 2025·0 cites·20 claims
- 0230US11440328B2Ink cartridge having inner container and processing method thereforSPEED INFOTECH BEIHAI COMPANY LTD·Filed 2020·Granted Sep 13, 2022·0 cites·13 claims
- 0329US2024351339A1Ink cartridge packaging assembly, and ink cartridge assemblySPEED INFOTECH BEIHAI COMPANY LTD·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →