The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 27, 2013
Filed:
May. 23, 2011
Tomohiro Fukao, Osaka, JP;
Takuya Kadota, Hyogo, JP;
Chieko Yamazaki, Shizuoka, JP;
Yoshihiro Mikuriya, Hyogo, JP;
Tsuyoshi Nozaki, Osaka, JP;
Yoshimichi Ishikawa, Hyogo, JP;
Atsushi Yamamoto, Shizuoka, JP;
Kazuoki Fuwa, Hyogo, JP;
Tomoharu Miki, Osaka, JP;
Tomohiro Fukao, Osaka, JP;
Takuya Kadota, Hyogo, JP;
Chieko Yamazaki, Shizuoka, JP;
Yoshihiro Mikuriya, Hyogo, JP;
Tsuyoshi Nozaki, Osaka, JP;
Yoshimichi Ishikawa, Hyogo, JP;
Atsushi Yamamoto, Shizuoka, JP;
Kazuoki Fuwa, Hyogo, JP;
Tomoharu Miki, Osaka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An electrostatic image developing toner including toner core particles each containing at least a first resin and a colorant, and fine resin particles formed of a second resin, wherein part of each of the fine resin particles is embedded in each of the toner core particles, and the remaining part of the fine resin particle is exposed on a surface of the toner core particle to form a protrusion, and wherein when a rate of the part of the fine resin particle to the fine resin particle is indicated by an embedment rate, an average of the embedment rates in the fine resin particles is 40% to 80%.