Toner, toner stored unit, image forming apparatus, and image forming method

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United States of America Patent

PATENT NO 9880479
SERIAL NO

15404292

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Abstract

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Toner that includes a polyester resin, fluorine and aluminum. The toner satisfies formulae (1) and (2),

description='In-line Formulae' end='lead'1.00≧AB/B≧0.50  (1)description='In-line Formulae' end='tail'

description='In-line Formulae' end='lead'0≦(A−AB)/A≦0.25  (2)description='In-line Formulae' end='tail'

    where A represents an area where the fluorine exists measured by Energy Dispersive X-ray Spectroscopy (EDS), B represents an area where the aluminum exists measured by Energy Dispersive X-ray Spectroscopy (EDS) and AB represents an overlapping area between A and B. Toner stored unit, image forming apparatus, and image forming method.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTDTOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Amemori, Suzuka Shizuoka, JP 29 350
Hasegawa, Shin Shizuoka, JP 196 1911
Nagata, Kohsuke Shizuoka, JP 17 100
Ohnuma, Koh Shizuoka, JP 5 20
Saitoh, Akinori Shizuoka, JP 51 823
Santoh, Hideyuki Shizuoka, JP 3 6
Sugimoto, Tsuyoshi Shizuoka, JP 86 1315

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