Toner, external additive for toner, and fine particle

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12210317
APP PUB NO 20220121132A1
SERIAL NO

17496859

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A toner including: a toner particle containing a binder resin and a colorant; and a fine particle on a surface of the toner particle, wherein the fine particle is a solid and substantially hemispherical shape, and has a substantially flat surface and a curved surface, and wherein a number-average value of a longest diameter “w” of the substantially flat surface is 10 to 400 nm. An external additive for a toner that is a solid and substantially hemispherical shape, and has a substantially flat surface and a curved surface, wherein a number-average value of a longest diameter “w” of the substantially flat surface is 10 to 400 nm. A fine particle that is a solid and substantially hemispherical shape, and has a substantially flat surface and a curved surface, wherein a number-average value of a longest diameter “w” of the substantially flat surface is 10 to 400 nm.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHATOKYO

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fumita, Hidekazu Shizuoka, JP 19 285
Katsura, Taiji Shizuoka, JP 38 256
Kondo, Itaru Shizuoka, JP 1 1
Kosaki, Yusuke Shizuoka, JP 22 557
Yamawaki, Kentaro Shizuoka, JP 33 354
Yoshida, Sara Shizuoka, JP 12 227

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