Image forming apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9298128
APP PUB NO 20150132030A1
SERIAL NO

14533283

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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In an image forming apparatus having a photosensitive drum that carries a toner image, a developing roller is provided to be capable of rotating while carrying toner and supplies the toner to the photosensitive drum in order to develop a latent image, and a voltage applying device applies a voltage to the developing roller. The developing roller includes a conductive base layer and a surface layer covering the base layer, and a surface charge density of the developing roller is equal to or smaller than a surface charge density of the toner.

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Patent Owner(s)

  • CANON KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fukatsu, Makoto Suntou-gun, JP 40 265
Hagiwara, Kazunari Yokohama, JP 37 182
Haraguchi, Manami Yokohama, JP 33 302
Nakamoto, Atsushi Tokyo, JP 54 307
Orihara, Tatsuaki Tokyo, JP 33 218
Tokiwa, Shuhei Tokyo, JP 18 30

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