Electrophotography – Image formation – Development
Reexamination Certificate
2011-03-15
2011-03-15
Tran, Hoan (Department: 2884)
Electrophotography
Image formation
Development
Reexamination Certificate
active
07907879
ABSTRACT:
A development roller includes a base unit having a base recess and a base projection that are formed in a predetermined area of a circumference surface of the base unit, and a surface layer formed on the circumference surface of the base unit and having on the circumference thereof a recess and a projection formed respectively in accordance with the base recess and the base projection of the base unit. Surface hardness of the projection is higher than surface hardness of the recess.
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European search report for corresponding European application 09002337.5 lists the references above.
Fukumoto Takatomo
Maeda Masahiro
Suzuki Junichi
Yamada Yoichi
DLA Piper (LLP) US
Seiko Epson Corporation
Tran Hoan
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