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US Patent 11880146 Developing cartridge having coupling and developing roller

Overview Structured Data Issues Contributors Activity

Is a

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Date Filed

August 17, 2022

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Date of Patent

January 23, 2024

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Patent Application Number

17820292

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Patent Citations

US Patent 9846387 Developing cartridge having coupling and developing roller

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US Patent 9110441 Cartridge detachably mounted on main casing

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US Patent 9395684 Developing cartridge having coupling and developing roller

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US Patent 7027756 Process cartridge and assemblying method therefor

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US Patent 7076179 Image forming apparatus and a storage controlling method for information on an improper detachment of developer cartridge to be written in a cartridge storage means

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US Patent 7218869 Image forming apparatus and a storage controlling method for information on an improper detachment of a developer cartridge to be written in a cartridge storage means

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US Patent 7418214 State detection mechanism

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US Patent 7512347 Image-forming device capable of determining information on a detachably mounted developer cartridge and developer cartridge for use therein

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US Patent 7574148 Image forming apparatus, developer cartridge, and detecting unit for detecting a state of the developer cartridge

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US Patent 7613414 Developing cartridge, process carriage, and image forming apparatus

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Patent Inventor Names

Naoya Kamimura

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Nao Itabashi

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

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Patent Primary Examiner

Stephanie E Bloss

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CPC Code

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