Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Patent Publication Number 20170090410

US 20170090410 A1
Patent NumberUS 09836021 B2
Application Number15377183
Filled DateDec 13, 2016
Priority DateDec 26, 2007
Publication DateMar 30, 2017
Original AssigneeCanon Inc.
Current AssigneeCanon Inc.
Inventor/ApplicantsMasanari Morioka
Takahito Ueno
Shigeo Miyabe
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