Toner, toner storage unit, image forming apparatus, and method for manufacturing toner

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United States of America Patent

PATENT NO 10073366
APP PUB NO 20170363980A1
SERIAL NO

15622755

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Abstract

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A toner is provided. The toner includes an amorphous resin, a crystalline resin dispersed in the amorphous resin, and a release agent. The toner satisfies the following inequality:

description='In-line Formulae' end='lead'B/A<0.8description='In-line Formulae' end='tail'

where A represents a perimeter of the crystalline resin and B represents a length of a part of the perimeter A of the crystalline resin at which the crystalline resin is in contact with the amorphous resin, A and B being measured from a cross-sectional image of the toner observed with transmission electron microscope.

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Patent Owner(s)

Patent OwnerAddress
RICOH COMPANY LTDTOKYO 143-8555

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kadota, Takahiro Shizuoka, JP 9 47
Karato, Suzuka Shizuoka, JP 9 23
Nagai, Shinsuke Shizuoka, JP 11 49
Nagata, Kohsuke Shizuoka, JP 17 100
Nakayama, Shinya Shizuoka, JP 115 1814
Ohnuma, Koh Shizuoka, JP 5 20
Saitoh, Akinori Shizuoka, JP 51 823
Santo, Hideyuki Kanagawa, JP 35 438
Sugimoto, Tsuyoshi Kanagawa, JP 86 1315
Takeyama, Akihiro Kanagawa, JP 7 24
Yoshida, Ryuuta Kanagawa, JP 8 51

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