Toner

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11960242
SERIAL NO

17498910

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Importance

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Abstract

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The present invention provides a toner that can maintain excellent transferability even when a transfer bias is low. The toner includes a toner particle that includes a toner base particle and a plurality of convex portions X existing on a surface of the toner base particle, wherein the convex portion X contains an organic silicon polymer; when a cross-section of the toner is observed with a scanning transmission electron microscope (STEM), and the convex portions X comprise a plurality of convex portions Y each having a convex height H of 40 nm or higher, a number ratio P (H/w) of the a number of the convex portions Y2 in which a ratio (H/w) of the convex height H to the convex width w is 0.33 or larger and 0.80 or smaller is 70% by number or more with respect to a total number of the convex portions Y.

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Patent Owner(s)

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

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fumita, Hidekazu Shizuoka, JP 19 285
Kaino, Toshiya Shizuoka, JP 19 159
Katsura, Taiji Shizuoka, JP 38 256
Kosaki, Yusuke Shizuoka, JP 22 557
Yamawaki, Kentaro Shizuoka, JP 33 354
Yoshida, Sara Shizuoka, JP 12 227

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