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US Patent 12019392 Process cartridge and electrophotographic image forming apparatus
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Patent
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Date Filed
June 22, 2023
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Date of Patent
June 25, 2024
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Patent Application Number
18212783
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Patent Citations
US Patent 7366440 Process cartridge feeding developer from first to second removed developer accommodating portions and image forming apparatus to which the cartridge is mountable
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US Patent 9182733 Developer supply cartridge, process cartridge and image forming apparatus
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US Patent 9188906 Cartridge, developing cartridge, process cartridge and image forming apparatus
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US Patent 9188940 Developing device, process cartridge and drum unit
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US Patent 9213267 Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unit
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US Patent 9229371 Developer container, developing cartridge, process cartridge and image forming apparatus
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US Patent 9322458 Gear transmission device, process unit including the gear transmission device, and image forming apparatus including same
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US Patent 9465318 Developer accommodating container with toner seal member, unsealing member, and auxiliary unsealing member
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US Patent 9523942 Developer accommodating container, developing cartridge, process cartridge and image forming apparatus
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US Patent 9599932 Developer container with sealing member having a plurality of holes and rotatable member having a plurality of projections contactable with the sealing member
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•••
Patent Inventor Names
Ryuta Murakami
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Tadashi Horikawa
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Shunsuke Uratani
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Yuichiro Inaba
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Patent Jurisdiction
United States Patent and Trademark Office
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Patent Number
12019392
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Patent Primary Examiner
Walter L Lindsay, Jr.
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CPC Code
G03G 2221/1657
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G03G 2221/183
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G03G 21/186
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G03G 21/1647
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G03G 21/18
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G03G 21/1864
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G03G 15/757
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