Process cartridge, electrophotographic image forming apparatus, and electrophotographic photosensitive drum unit | Patent Number 09836021
US 09836021 B2Filled DateDec 13, 2016
Priority DateDec 26, 2007
Publication DateMar 30, 2017
Expiration DateDec 25, 2027
Inventor/ApplicantsShigeo Miyabe
Masanari Morioka
Takahito Ueno
Masanari Morioka
Takahito Ueno
ExaminesVILLALUNA, ERIKA J
Art Unit2852
Technology Center2800
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