Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Patent Publication Number 20170090411

US 20170090411 A1
Patent NumberUS 09857765 B2
Application Number15377135
Filled DateDec 13, 2016
Priority DateDec 26, 2007
Publication DateMar 30, 2017
Original AssigneeCanon Inc.
Current AssigneeCanon Inc.
Inventor/ApplicantsShigeo Miyabe
Takahito Ueno
Masanari Morioka
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