Toner, toner accommodating unit, and image forming apparatus

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United States of America Patent

PATENT NO 10859932
APP PUB NO 20180024452A1
SERIAL NO

15522567

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A toner, including: a polyester resin, wherein the polyester resin has a structure represented by any one of formulas 1) to 3) below: 1) R1-(NHCONH-R2)n-, 2) R1-(NHCOO-R2)n-, and 3) R1-(OCONH-R2)n-, where n is 3 or more, R1 represents an aromatic organic group or an aliphatic organic group, and R2 represents a group derived from a resin that is polyester formed of polycarboxylic acid, polyol, or both thereof; or that is a modified polyester obtained by modifying polyester with isocyanate.

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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
Chiba, Ryuta Kanagawa, JP 9 79
Nagata, Kohsuke Shizuoka, JP 17 100
Nakayama, Shinya Shizuoka, JP 115 1814
Santo, Hideyuki Kanagawa, JP 35 438
Sugimoto, Tsuyoshi Shizuoka, JP 86 1315
Yamada, Hiroshi Shizuoka, JP 707 8311

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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges148921716784101 - 1011 - 2021 - 3031 - 4041 - 50010020030040050060070080090010001100120013001400150016001700180019002000210022002300

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