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US Patent 11940756 Process cartridge and image forming apparatus

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
0
Date Filed
November 30, 2022
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Date of Patent
March 26, 2024
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Patent Application Number
18071729
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Patent Citations
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US Patent 7058337 Process cartridge and electrophotographic image forming apparatus
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US Patent 7395014 Image forming apparatus
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US Patent 7899364 Process cartridge having couplers transmitting driving forces from an image forming apparatus to electrophotographic photosensitive drum and developing roller and such an apparatus
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US Patent 7890025 Process cartridge and image forming apparatus including drum and shaft coupling members transmitting driving forces to a photosensitive drum and a developing roller, respectively
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US Patent 8116661 Process cartridge with a coupling member and a retaining portion for the coupling member
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US Patent 8335454 Process cartridge and image forming apparatus
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US Patent 8442416 Process cartridge and image forming apparatus
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US Patent 8447209 Process cartridge and image forming apparatus
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US Patent 8583007 Process cartridge and image forming apparatus
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US Patent 8588647 Process cartridge and image forming apparatus
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•••
Patent Inventor Names
Koji Hashimoto
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Tomonori Mori
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Kazuo Chadani
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
11940756
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Patent Primary Examiner
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Sandra Brase
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CPC Code
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G03G 2221/1657
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G03G 2221/1853
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G03G 2221/1884
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G03G 21/1857
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G03G 15/0822
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G03G 21/186
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G03G 21/1839
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G03G 21/1609
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G03G 21/1821
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