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US Patent 11841673 Process cartridge and image forming apparatus

Overview Structured Data Issues Contributors Activity

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Date Filed

December 12, 2022

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Date of Patent

December 12, 2023

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Patent Application Number

18079093

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Patent Citations

US Patent 7072602 Image forming apparatus and image forming unit

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US Patent 6898391 Process cartridge, electric contact and electrophotographic image forming apparatus

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US Patent 6912365 Process cartridge, unit, and electrophotographic image forming apparatus

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US Patent 6954601 Process cartridge and electrophotographic image forming apparatus

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US Patent 6980759 Process cartridge and electrophotographic image forming apparatus

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US Patent 7088939 Process cartridge and electrophotographic image forming apparatus

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US Patent 7127194 Process cartridge, positioning mechanism therefor and electrophotographic image forming apparatus

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US Patent 7158735 Process cartridge, mounting method of electrophotographic photosensitive drum and replacing method of the photosensitive drum

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US Patent 7158736 Process cartridge having first and second rotatably coupled frames and electrophotographic image forming apparatus mounting such process cartridge

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US Patent 7162174 Process cartridge having light guides and memory member, and electrophotographic image forming apparatus to which such cartridge is mountable

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Patent Inventor Names

Kazunari Murayama

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Akira Yoshimura

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Atsushi Numagami

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Susumu Nittani

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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

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CPC Code

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