发明名称 Development Roller, Development Device, and Image Forming Apparatus
摘要 A development roller includes a base unit having a base recess and a base projection 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 a recess and a projection formed respectively in accordance with the base recess and the base projection of the base unit.
申请公布号 US2009208255(A1) 申请公布日期 2009.08.20
申请号 US20090388857 申请日期 2009.02.19
申请人 SEIKO EPSON CORPORATION 发明人 YAMADA YOICHI;MAEDA MASAHIRO;SUZUKI JUNICHI;FUKUMOTO TAKATOMO
分类号 G03G15/08 主分类号 G03G15/08
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