Carrier for developing electrostatic latent image, two-component developer, image forming apparatus, process cartridge, and image forming method

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12147192
APP PUB NO 20220291603A1
SERIAL NO

17649802

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Abstract

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A carrier for developing an electrostatic latent image is provided. The carrier comprises a core particle having an internal void ratio of from 0.0% to 2.0% and a coating layer coating the core particle. The coating layer contains flat chargeable particles satisfying Formula 1 blow:

description='In-line Formulae' end='lead'1.0≤R1/R2≤3.0  Formula 1description='In-line Formulae' end='tail'

where R1 [nm] and R2 [nm] represent a major axis and a thickness, respectively, of each of the flat chargeable particles. The carrier has an apparent density of from 2.0 to 2.5 g/cm3.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTD3-6 NAKAMAGOME 1-CHOME OHTA-KU TOKYO 1438555 ?1438555

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kishida, Hiroyuki Shizuoka, JP 55 562
Masuda, Minoru Shizuoka, JP 103 1255
Masuko, Kaede Shizuoka, JP 6 2
Nagayama, Masashi Shizuoka, JP 63 723
Suganuma, Tohru Shizuoka, JP 19 79
Suzuki, Kousuke Shizuoka, JP 75 1101
Takeuchi, Kento Shizuoka, JP 19 9

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