Assignee
TANGSHAN CAOFEIDIAN IMAGING TECH LTD CO
CN·2 granted patents·0 citations·filing 2019–2019
Top patents by PatentIndex Score
2 records- 0145US11531290B2Pressurization device for toner cartridge and toner cartridgeTANGSHAN CAOFEIDIAN IMAGING TECH LTD CO·Filed 2019·Granted Dec 20, 2022·0 cites·16 claims
- 0243US11181850B2Powder discharging structure and powder cylinderTANGSHAN CAOFEIDIAN IMAGING TECH LTD CO·Filed 2019·Granted Nov 23, 2021·0 cites·12 claims
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