Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Patent Publication Number 20170185027

US 20170185027 A1
Patent NumberUS 09869960 B2
Application Number15455820
Filled DateMar 10, 2017
Priority DateDec 26, 2007
Publication DateJun 29, 2017
Original AssigneeCanon Inc.
Current AssigneeCanon Inc.
Inventor/ApplicantsMasanari Morioka
Takahito Ueno
Shigeo Miyabe
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