Electrophotography – Image formation – Development
Reexamination Certificate
2007-02-20
2007-02-20
Gray, David M. (Department: 2852)
Electrophotography
Image formation
Development
C399S265000, C399S279000, C399S281000, C399S285000, C399S286000
Reexamination Certificate
active
11169807
ABSTRACT:
A developer supplying device including a developer holding unit configured to hold a developer, a developer transfer device configured to electrostatically transfer the developer from the developer holding unit, and a charging member having holes piercing therethrough from the developer holding unit, to abrasively charge the developer by contacting the developer with walls of the holes while the developer is electrostatically transferred through the holes by the developer transfer device.
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U.S. Appl. No. 11/395,186, filed Apr. 3, 2006, Miyoshi.
Aoki Katsuhiro
Ikeguchi Hiroshi
Miyoshi Yasuo
Oyama Hajime
Takagaki Hiromitsu
Gray David M.
Ricoh & Company, Ltd.
Roth Laura K
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