Process cartridge and image forming apparatus

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11144007
APP PUB NO 20200150584A1
SERIAL NO

16681100

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Importance

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Abstract

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A process cartridge using an image forming apparatus, including a rotatable image bearing member having a circumferential surface; a developing unit configured to supply a developing agent to the image bearing member; and a cleaning member that cleans the circumferential surface, wherein the developing agent contains a toner including toner particles and a metal soap, the image bearing member includes a plurality of grooves formed on the circumferential surface to extend in a circumferential direction of the circumferential surface and to be arranged side by side in a rotation axis direction, and the plurality of grooves and portions between the grooves form concave-convex portions on the circumferential surface. The circumferential surface of the image bearing member had surface roughness Rz of 0

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First Claim

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHA30-2 SHIMOMARUKO 3-CHOME OHTA-KU TOKYO 1468501 ?1468501

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hagiwara, Shinichi Tokyo, JP 31 152
Ikada, Kosuke Machida, JP 13 22
Ikami, Yasukazu Tokyo, JP 21 37
Nakata, Keitaro Suntou-gun, JP 14 17
Shimozawa, Hideharu Numazu, JP 23 184

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