Image forming apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8457541
APP PUB NO 20100129126A1
SERIAL NO

12614791

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An image forming apparatus includes an image carrier, a charging device to charge a surface of the image carrier, disposed across a predetermined gap from the image carrier, a latent image forming device, a developing device to develop a latent image formed on the image carrier into a toner image, a transfer unit to transfer the toner image from the image carrier onto a recording medium, a cleaning member to clean the image carrier after the toner image is transferred therefrom, a lubricant application member to lubricate the image carrier, a polarity adjustor to adjust polarities of the toner and lubricant adhering to the image carrier to be identical to a polarity of a charging bias. The polarity adjustor is disposed facing the image carrier, upstream from the charging device and downstream from the transfer unit in a direction in which the image carrier rotates.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LIMITEDTOKYO

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hatori, Satoshi Yokohama, JP 77 1239
Kawahara, Shinichi Tokyo, JP 44 786
Kosuge, Akio Yokohama, JP 56 931
Kuwabara, Nobuo Yokohama, JP 56 650
Ozawa, Yoshinori Atsugi, JP 17 298
Shintani, Takeshi Kawasaki, JP 90 1157
Tomita, Daisuke Yokohama, JP 83 397

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