Electrophotography – Image formation – Development
Reexamination Certificate
2011-03-29
2011-03-29
Gray, David M (Department: 2852)
Electrophotography
Image formation
Development
C399S277000, C492S008000, C492S018000
Reexamination Certificate
active
07917067
ABSTRACT:
A magnetic field generating member with high stiffness and small size, an image development device, a process cartridge and an image forming apparatus including the magnetic field generating member as well as a manufacturing method of the magnetic field generating member are provided where the magnetic field generating member includes a main body, a groove provided in the main body, an interposition member configured to be fitted in the groove of the main body and including a concave portion and a magnetic member as a long magnetic compact fixed into the concave portion of the interposition member.
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Abe Hiroya
Hattori Tadaaki
Innami Takashi
Kamiya Noriyuki
Koetsuka Kyohta
Fekete Barnabas T
Gray David M
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Ricoh & Company, Ltd.
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