Process cartridge electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Patent Publication Number 20130064569

US 20130064569 A1
Patent NumberUS 08630564 B2
Application Number13570671
Filled DateAug 9, 2012
Priority DateDec 26, 2007
Publication DateMar 14, 2013
Original AssigneeCanon Inc.
Current AssigneeCanon Inc.
Inventor/ApplicantsTakahito Ueno
Shigeo Miyabe
Masanari Morioka
Masato Hisano
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