Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Patent Publication Number 20170090409

US 20170090409 A1
Patent NumberUS 09746826 B2
Application Number15377106
Filled DateDec 13, 2016
Priority DateDec 26, 2007
Publication DateMar 30, 2017
Original AssigneeCanon Inc.
Current AssigneeCanon Inc.
Inventor/ApplicantsTakahito Ueno
Masanari Morioka
Shigeo Miyabe
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