Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Patent Publication Number 20170227925

US 20170227925 A1
Patent NumberUS 09841727 B2
Application Number15494692
Filled DateApr 24, 2017
Priority DateDec 26, 2007
Publication DateAug 10, 2017
Original AssigneeCanon Inc.
Current AssigneeCanon Inc.
Inventor/ApplicantsMasanari Morioka
Takahito Ueno
Shigeo Miyabe
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